1 files changed, 1 insertions, 2212 deletions

diff --git a/externals/stb/stb_image_resize.h b/externals/stb/stb_image_resize.h
index 073ba20d9..3107e0670 100644
--- a/externals/stb/stb_image_resize.h
+++ b/externals/stb/stb_image_resize.h
@@ -1,4 +1,4 @@
-// SPDX-FileCopyrightText: stb http://nothings.org/stb
+// SPDX-FileCopyrightText: Jorge L Rodriguez
 // SPDX-License-Identifier: MIT
 
 /* stb_image_resize - v0.97 - public domain image resizing
@@ -383,2217 +383,6 @@ STBIRDEF int stbir_resize_region(  const void *input_pixels , int input_w , int
 ////   end header file   /////////////////////////////////////////////////////
 #endif // STBIR_INCLUDE_STB_IMAGE_RESIZE_H
 
-
-
-
-
-#ifdef STB_IMAGE_RESIZE_IMPLEMENTATION
-
-#ifndef STBIR_ASSERT
-#include <assert.h>
-#define STBIR_ASSERT(x) assert(x)
-#endif
-
-// For memset
-#include <string.h>
-
-#include <math.h>
-
-#ifndef STBIR_MALLOC
-#include <stdlib.h>
-// use comma operator to evaluate c, to avoid "unused parameter" warnings
-#define STBIR_MALLOC(size,c) ((void)(c), malloc(size))
-#define STBIR_FREE(ptr,c)    ((void)(c), free(ptr))
-#endif
-
-#ifndef _MSC_VER
-#ifdef __cplusplus
-#define stbir__inline inline
-#else
-#define stbir__inline
-#endif
-#else
-#define stbir__inline __forceinline
-#endif
-
-
-// should produce compiler error if size is wrong
-typedef unsigned char stbir__validate_uint32[sizeof(stbir_uint32) == 4 ? 1 : -1];
-
-#ifdef _MSC_VER
-#define STBIR__NOTUSED(v)  (void)(v)
-#else
-#define STBIR__NOTUSED(v)  (void)sizeof(v)
-#endif
-
-#define STBIR__ARRAY_SIZE(a) (sizeof((a))/sizeof((a)[0]))
-
-#ifndef STBIR_DEFAULT_FILTER_UPSAMPLE
-#define STBIR_DEFAULT_FILTER_UPSAMPLE    STBIR_FILTER_CATMULLROM
-#endif
-
-#ifndef STBIR_DEFAULT_FILTER_DOWNSAMPLE
-#define STBIR_DEFAULT_FILTER_DOWNSAMPLE  STBIR_FILTER_MITCHELL
-#endif
-
-#ifndef STBIR_PROGRESS_REPORT
-#define STBIR_PROGRESS_REPORT(float_0_to_1)
-#endif
-
-#ifndef STBIR_MAX_CHANNELS
-#define STBIR_MAX_CHANNELS 64
-#endif
-
-#if STBIR_MAX_CHANNELS > 65536
-#error "Too many channels; STBIR_MAX_CHANNELS must be no more than 65536."
-// because we store the indices in 16-bit variables
-#endif
-
-// This value is added to alpha just before premultiplication to avoid
-// zeroing out color values. It is equivalent to 2^-80. If you don't want
-// that behavior (it may interfere if you have floating point images with
-// very small alpha values) then you can define STBIR_NO_ALPHA_EPSILON to
-// disable it.
-#ifndef STBIR_ALPHA_EPSILON
-#define STBIR_ALPHA_EPSILON ((float)1 / (1 << 20) / (1 << 20) / (1 << 20) / (1 << 20))
-#endif
-
-
-
-#ifdef _MSC_VER
-#define STBIR__UNUSED_PARAM(v)  (void)(v)
-#else
-#define STBIR__UNUSED_PARAM(v)  (void)sizeof(v)
-#endif
-
-// must match stbir_datatype
-static unsigned char stbir__type_size[] = {
-    1, // STBIR_TYPE_UINT8
-    2, // STBIR_TYPE_UINT16
-    4, // STBIR_TYPE_UINT32
-    4, // STBIR_TYPE_FLOAT
-};
-
-// Kernel function centered at 0
-typedef float (stbir__kernel_fn)(float x, float scale);
-typedef float (stbir__support_fn)(float scale);
-
-typedef struct
-{
-    stbir__kernel_fn* kernel;
-    stbir__support_fn* support;
-} stbir__filter_info;
-
-// When upsampling, the contributors are which source pixels contribute.
-// When downsampling, the contributors are which destination pixels are contributed to.
-typedef struct
-{
-    int n0; // First contributing pixel
-    int n1; // Last contributing pixel
-} stbir__contributors;
-
-typedef struct
-{
-    const void* input_data;
-    int input_w;
-    int input_h;
-    int input_stride_bytes;
-
-    void* output_data;
-    int output_w;
-    int output_h;
-    int output_stride_bytes;
-
-    float s0, t0, s1, t1;
-
-    float horizontal_shift; // Units: output pixels
-    float vertical_shift;   // Units: output pixels
-    float horizontal_scale;
-    float vertical_scale;
-
-    int channels;
-    int alpha_channel;
-    stbir_uint32 flags;
-    stbir_datatype type;
-    stbir_filter horizontal_filter;
-    stbir_filter vertical_filter;
-    stbir_edge edge_horizontal;
-    stbir_edge edge_vertical;
-    stbir_colorspace colorspace;
-
-    stbir__contributors* horizontal_contributors;
-    float* horizontal_coefficients;
-
-    stbir__contributors* vertical_contributors;
-    float* vertical_coefficients;
-
-    int decode_buffer_pixels;
-    float* decode_buffer;
-
-    float* horizontal_buffer;
-
-    // cache these because ceil/floor are inexplicably showing up in profile
-    int horizontal_coefficient_width;
-    int vertical_coefficient_width;
-    int horizontal_filter_pixel_width;
-    int vertical_filter_pixel_width;
-    int horizontal_filter_pixel_margin;
-    int vertical_filter_pixel_margin;
-    int horizontal_num_contributors;
-    int vertical_num_contributors;
-
-    int ring_buffer_length_bytes;   // The length of an individual entry in the ring buffer. The total number of ring buffers is stbir__get_filter_pixel_width(filter)
-    int ring_buffer_num_entries;    // Total number of entries in the ring buffer.
-    int ring_buffer_first_scanline;
-    int ring_buffer_last_scanline;
-    int ring_buffer_begin_index;    // first_scanline is at this index in the ring buffer
-    float* ring_buffer;
-
-    float* encode_buffer; // A temporary buffer to store floats so we don't lose precision while we do multiply-adds.
-
-    int horizontal_contributors_size;
-    int horizontal_coefficients_size;
-    int vertical_contributors_size;
-    int vertical_coefficients_size;
-    int decode_buffer_size;
-    int horizontal_buffer_size;
-    int ring_buffer_size;
-    int encode_buffer_size;
-} stbir__info;
-
-
-static const float stbir__max_uint8_as_float  = 255.0f;
-static const float stbir__max_uint16_as_float = 65535.0f;
-static const double stbir__max_uint32_as_float = 4294967295.0;
-
-
-static stbir__inline int stbir__min(int a, int b)
-{
-    return a < b ? a : b;
-}
-
-static stbir__inline float stbir__saturate(float x)
-{
-    if (x < 0)
-        return 0;
-
-    if (x > 1)
-        return 1;
-
-    return x;
-}
-
-#ifdef STBIR_SATURATE_INT
-static stbir__inline stbir_uint8 stbir__saturate8(int x)
-{
-    if ((unsigned int) x <= 255)
-        return x;
-
-    if (x < 0)
-        return 0;
-
-    return 255;
-}
-
-static stbir__inline stbir_uint16 stbir__saturate16(int x)
-{
-    if ((unsigned int) x <= 65535)
-        return x;
-
-    if (x < 0)
-        return 0;
-
-    return 65535;
-}
-#endif
-
-static float stbir__srgb_uchar_to_linear_float[256] = {
-    0.000000f, 0.000304f, 0.000607f, 0.000911f, 0.001214f, 0.001518f, 0.001821f, 0.002125f, 0.002428f, 0.002732f, 0.003035f,
-    0.003347f, 0.003677f, 0.004025f, 0.004391f, 0.004777f, 0.005182f, 0.005605f, 0.006049f, 0.006512f, 0.006995f, 0.007499f,
-    0.008023f, 0.008568f, 0.009134f, 0.009721f, 0.010330f, 0.010960f, 0.011612f, 0.012286f, 0.012983f, 0.013702f, 0.014444f,
-    0.015209f, 0.015996f, 0.016807f, 0.017642f, 0.018500f, 0.019382f, 0.020289f, 0.021219f, 0.022174f, 0.023153f, 0.024158f,
-    0.025187f, 0.026241f, 0.027321f, 0.028426f, 0.029557f, 0.030713f, 0.031896f, 0.033105f, 0.034340f, 0.035601f, 0.036889f,
-    0.038204f, 0.039546f, 0.040915f, 0.042311f, 0.043735f, 0.045186f, 0.046665f, 0.048172f, 0.049707f, 0.051269f, 0.052861f,
-    0.054480f, 0.056128f, 0.057805f, 0.059511f, 0.061246f, 0.063010f, 0.064803f, 0.066626f, 0.068478f, 0.070360f, 0.072272f,
-    0.074214f, 0.076185f, 0.078187f, 0.080220f, 0.082283f, 0.084376f, 0.086500f, 0.088656f, 0.090842f, 0.093059f, 0.095307f,
-    0.097587f, 0.099899f, 0.102242f, 0.104616f, 0.107023f, 0.109462f, 0.111932f, 0.114435f, 0.116971f, 0.119538f, 0.122139f,
-    0.124772f, 0.127438f, 0.130136f, 0.132868f, 0.135633f, 0.138432f, 0.141263f, 0.144128f, 0.147027f, 0.149960f, 0.152926f,
-    0.155926f, 0.158961f, 0.162029f, 0.165132f, 0.168269f, 0.171441f, 0.174647f, 0.177888f, 0.181164f, 0.184475f, 0.187821f,
-    0.191202f, 0.194618f, 0.198069f, 0.201556f, 0.205079f, 0.208637f, 0.212231f, 0.215861f, 0.219526f, 0.223228f, 0.226966f,
-    0.230740f, 0.234551f, 0.238398f, 0.242281f, 0.246201f, 0.250158f, 0.254152f, 0.258183f, 0.262251f, 0.266356f, 0.270498f,
-    0.274677f, 0.278894f, 0.283149f, 0.287441f, 0.291771f, 0.296138f, 0.300544f, 0.304987f, 0.309469f, 0.313989f, 0.318547f,
-    0.323143f, 0.327778f, 0.332452f, 0.337164f, 0.341914f, 0.346704f, 0.351533f, 0.356400f, 0.361307f, 0.366253f, 0.371238f,
-    0.376262f, 0.381326f, 0.386430f, 0.391573f, 0.396755f, 0.401978f, 0.407240f, 0.412543f, 0.417885f, 0.423268f, 0.428691f,
-    0.434154f, 0.439657f, 0.445201f, 0.450786f, 0.456411f, 0.462077f, 0.467784f, 0.473532f, 0.479320f, 0.485150f, 0.491021f,
-    0.496933f, 0.502887f, 0.508881f, 0.514918f, 0.520996f, 0.527115f, 0.533276f, 0.539480f, 0.545725f, 0.552011f, 0.558340f,
-    0.564712f, 0.571125f, 0.577581f, 0.584078f, 0.590619f, 0.597202f, 0.603827f, 0.610496f, 0.617207f, 0.623960f, 0.630757f,
-    0.637597f, 0.644480f, 0.651406f, 0.658375f, 0.665387f, 0.672443f, 0.679543f, 0.686685f, 0.693872f, 0.701102f, 0.708376f,
-    0.715694f, 0.723055f, 0.730461f, 0.737911f, 0.745404f, 0.752942f, 0.760525f, 0.768151f, 0.775822f, 0.783538f, 0.791298f,
-    0.799103f, 0.806952f, 0.814847f, 0.822786f, 0.830770f, 0.838799f, 0.846873f, 0.854993f, 0.863157f, 0.871367f, 0.879622f,
-    0.887923f, 0.896269f, 0.904661f, 0.913099f, 0.921582f, 0.930111f, 0.938686f, 0.947307f, 0.955974f, 0.964686f, 0.973445f,
-    0.982251f, 0.991102f, 1.0f
-};
-
-static float stbir__srgb_to_linear(float f)
-{
-    if (f <= 0.04045f)
-        return f / 12.92f;
-    else
-        return (float)pow((f + 0.055f) / 1.055f, 2.4f);
-}
-
-static float stbir__linear_to_srgb(float f)
-{
-    if (f <= 0.0031308f)
-        return f * 12.92f;
-    else
-        return 1.055f * (float)pow(f, 1 / 2.4f) - 0.055f;
-}
-
-#ifndef STBIR_NON_IEEE_FLOAT
-// From https://gist.github.com/rygorous/2203834
-
-typedef union
-{
-    stbir_uint32 u;
-    float f;
-} stbir__FP32;
-
-static const stbir_uint32 fp32_to_srgb8_tab4[104] = {
-    0x0073000d, 0x007a000d, 0x0080000d, 0x0087000d, 0x008d000d, 0x0094000d, 0x009a000d, 0x00a1000d,
-    0x00a7001a, 0x00b4001a, 0x00c1001a, 0x00ce001a, 0x00da001a, 0x00e7001a, 0x00f4001a, 0x0101001a,
-    0x010e0033, 0x01280033, 0x01410033, 0x015b0033, 0x01750033, 0x018f0033, 0x01a80033, 0x01c20033,
-    0x01dc0067, 0x020f0067, 0x02430067, 0x02760067, 0x02aa0067, 0x02dd0067, 0x03110067, 0x03440067,
-    0x037800ce, 0x03df00ce, 0x044600ce, 0x04ad00ce, 0x051400ce, 0x057b00c5, 0x05dd00bc, 0x063b00b5,
-    0x06970158, 0x07420142, 0x07e30130, 0x087b0120, 0x090b0112, 0x09940106, 0x0a1700fc, 0x0a9500f2,
-    0x0b0f01cb, 0x0bf401ae, 0x0ccb0195, 0x0d950180, 0x0e56016e, 0x0f0d015e, 0x0fbc0150, 0x10630143,
-    0x11070264, 0x1238023e, 0x1357021d, 0x14660201, 0x156601e9, 0x165a01d3, 0x174401c0, 0x182401af,
-    0x18fe0331, 0x1a9602fe, 0x1c1502d2, 0x1d7e02ad, 0x1ed4028d, 0x201a0270, 0x21520256, 0x227d0240,
-    0x239f0443, 0x25c003fe, 0x27bf03c4, 0x29a10392, 0x2b6a0367, 0x2d1d0341, 0x2ebe031f, 0x304d0300,
-    0x31d105b0, 0x34a80555, 0x37520507, 0x39d504c5, 0x3c37048b, 0x3e7c0458, 0x40a8042a, 0x42bd0401,
-    0x44c20798, 0x488e071e, 0x4c1c06b6, 0x4f76065d, 0x52a50610, 0x55ac05cc, 0x5892058f, 0x5b590559,
-    0x5e0c0a23, 0x631c0980, 0x67db08f6, 0x6c55087f, 0x70940818, 0x74a007bd, 0x787d076c, 0x7c330723,
-};
-
-static stbir_uint8 stbir__linear_to_srgb_uchar(float in)
-{
-    static const stbir__FP32 almostone = { 0x3f7fffff }; // 1-eps
-    static const stbir__FP32 minval = { (127-13) << 23 };
-    stbir_uint32 tab,bias,scale,t;
-    stbir__FP32 f;
-
-    // Clamp to [2^(-13), 1-eps]; these two values map to 0 and 1, respectively.
-    // The tests are carefully written so that NaNs map to 0, same as in the reference
-    // implementation.
-    if (!(in > minval.f)) // written this way to catch NaNs
-        in = minval.f;
-    if (in > almostone.f)
-        in = almostone.f;
-
-    // Do the table lookup and unpack bias, scale
-    f.f = in;
-    tab = fp32_to_srgb8_tab4[(f.u - minval.u) >> 20];
-    bias = (tab >> 16) << 9;
-    scale = tab & 0xffff;
-
-    // Grab next-highest mantissa bits and perform linear interpolation
-    t = (f.u >> 12) & 0xff;
-    return (unsigned char) ((bias + scale*t) >> 16);
-}
-
-#else
-// sRGB transition values, scaled by 1<<28
-static int stbir__srgb_offset_to_linear_scaled[256] =
-{
-            0,     40738,    122216,    203693,    285170,    366648,    448125,    529603,
-       611080,    692557,    774035,    855852,    942009,   1033024,   1128971,   1229926,
-      1335959,   1447142,   1563542,   1685229,   1812268,   1944725,   2082664,   2226148,
-      2375238,   2529996,   2690481,   2856753,   3028870,   3206888,   3390865,   3580856,
-      3776916,   3979100,   4187460,   4402049,   4622919,   4850123,   5083710,   5323731,
-      5570236,   5823273,   6082892,   6349140,   6622065,   6901714,   7188133,   7481369,
-      7781466,   8088471,   8402427,   8723380,   9051372,   9386448,   9728650,  10078021,
-     10434603,  10798439,  11169569,  11548036,  11933879,  12327139,  12727857,  13136073,
-     13551826,  13975156,  14406100,  14844697,  15290987,  15745007,  16206795,  16676389,
-     17153826,  17639142,  18132374,  18633560,  19142734,  19659934,  20185196,  20718552,
-     21260042,  21809696,  22367554,  22933648,  23508010,  24090680,  24681686,  25281066,
-     25888850,  26505076,  27129772,  27762974,  28404716,  29055026,  29713942,  30381490,
-     31057708,  31742624,  32436272,  33138682,  33849884,  34569912,  35298800,  36036568,
-     36783260,  37538896,  38303512,  39077136,  39859796,  40651528,  41452360,  42262316,
-     43081432,  43909732,  44747252,  45594016,  46450052,  47315392,  48190064,  49074096,
-     49967516,  50870356,  51782636,  52704392,  53635648,  54576432,  55526772,  56486700,
-     57456236,  58435408,  59424248,  60422780,  61431036,  62449032,  63476804,  64514376,
-     65561776,  66619028,  67686160,  68763192,  69850160,  70947088,  72053992,  73170912,
-     74297864,  75434880,  76581976,  77739184,  78906536,  80084040,  81271736,  82469648,
-     83677792,  84896192,  86124888,  87363888,  88613232,  89872928,  91143016,  92423512,
-     93714432,  95015816,  96327688,  97650056,  98982952, 100326408, 101680440, 103045072,
-    104420320, 105806224, 107202800, 108610064, 110028048, 111456776, 112896264, 114346544,
-    115807632, 117279552, 118762328, 120255976, 121760536, 123276016, 124802440, 126339832,
-    127888216, 129447616, 131018048, 132599544, 134192112, 135795792, 137410592, 139036528,
-    140673648, 142321952, 143981456, 145652208, 147334208, 149027488, 150732064, 152447968,
-    154175200, 155913792, 157663776, 159425168, 161197984, 162982240, 164777968, 166585184,
-    168403904, 170234160, 172075968, 173929344, 175794320, 177670896, 179559120, 181458992,
-    183370528, 185293776, 187228736, 189175424, 191133888, 193104112, 195086128, 197079968,
-    199085648, 201103184, 203132592, 205173888, 207227120, 209292272, 211369392, 213458480,
-    215559568, 217672656, 219797792, 221934976, 224084240, 226245600, 228419056, 230604656,
-    232802400, 235012320, 237234432, 239468736, 241715280, 243974080, 246245120, 248528464,
-    250824112, 253132064, 255452368, 257785040, 260130080, 262487520, 264857376, 267239664,
-};
-
-static stbir_uint8 stbir__linear_to_srgb_uchar(float f)
-{
-    int x = (int) (f * (1 << 28)); // has headroom so you don't need to clamp
-    int v = 0;
-    int i;
-
-    // Refine the guess with a short binary search.
-    i = v + 128; if (x >= stbir__srgb_offset_to_linear_scaled[i]) v = i;
-    i = v +  64; if (x >= stbir__srgb_offset_to_linear_scaled[i]) v = i;
-    i = v +  32; if (x >= stbir__srgb_offset_to_linear_scaled[i]) v = i;
-    i = v +  16; if (x >= stbir__srgb_offset_to_linear_scaled[i]) v = i;
-    i = v +   8; if (x >= stbir__srgb_offset_to_linear_scaled[i]) v = i;
-    i = v +   4; if (x >= stbir__srgb_offset_to_linear_scaled[i]) v = i;
-    i = v +   2; if (x >= stbir__srgb_offset_to_linear_scaled[i]) v = i;
-    i = v +   1; if (x >= stbir__srgb_offset_to_linear_scaled[i]) v = i;
-
-    return (stbir_uint8) v;
-}
-#endif
-
-static float stbir__filter_trapezoid(float x, float scale)
-{
-    float halfscale = scale / 2;
-    float t = 0.5f + halfscale;
-    STBIR_ASSERT(scale <= 1);
-
-    x = (float)fabs(x);
-
-    if (x >= t)
-        return 0;
-    else
-    {
-        float r = 0.5f - halfscale;
-        if (x <= r)
-            return 1;
-        else
-            return (t - x) / scale;
-    }
-}
-
-static float stbir__support_trapezoid(float scale)
-{
-    STBIR_ASSERT(scale <= 1);
-    return 0.5f + scale / 2;
-}
-
-static float stbir__filter_triangle(float x, float s)
-{
-    STBIR__UNUSED_PARAM(s);
-
-    x = (float)fabs(x);
-
-    if (x <= 1.0f)
-        return 1 - x;
-    else
-        return 0;
-}
-
-static float stbir__filter_cubic(float x, float s)
-{
-    STBIR__UNUSED_PARAM(s);
-
-    x = (float)fabs(x);
-
-    if (x < 1.0f)
-        return (4 + x*x*(3*x - 6))/6;
-    else if (x < 2.0f)
-        return (8 + x*(-12 + x*(6 - x)))/6;
-
-    return (0.0f);
-}
-
-static float stbir__filter_catmullrom(float x, float s)
-{
-    STBIR__UNUSED_PARAM(s);
-
-    x = (float)fabs(x);
-
-    if (x < 1.0f)
-        return 1 - x*x*(2.5f - 1.5f*x);
-    else if (x < 2.0f)
-        return 2 - x*(4 + x*(0.5f*x - 2.5f));
-
-    return (0.0f);
-}
-
-static float stbir__filter_mitchell(float x, float s)
-{
-    STBIR__UNUSED_PARAM(s);
-
-    x = (float)fabs(x);
-
-    if (x < 1.0f)
-        return (16 + x*x*(21 * x - 36))/18;
-    else if (x < 2.0f)
-        return (32 + x*(-60 + x*(36 - 7*x)))/18;
-
-    return (0.0f);
-}
-
-static float stbir__support_zero(float s)
-{
-    STBIR__UNUSED_PARAM(s);
-    return 0;
-}
-
-static float stbir__support_one(float s)
-{
-    STBIR__UNUSED_PARAM(s);
-    return 1;
-}
-
-static float stbir__support_two(float s)
-{
-    STBIR__UNUSED_PARAM(s);
-    return 2;
-}
-
-static stbir__filter_info stbir__filter_info_table[] = {
-        { NULL,                     stbir__support_zero },
-        { stbir__filter_trapezoid,  stbir__support_trapezoid },
-        { stbir__filter_triangle,   stbir__support_one },
-        { stbir__filter_cubic,      stbir__support_two },
-        { stbir__filter_catmullrom, stbir__support_two },
-        { stbir__filter_mitchell,   stbir__support_two },
-};
-
-stbir__inline static int stbir__use_upsampling(float ratio)
-{
-    return ratio > 1;
-}
-
-stbir__inline static int stbir__use_width_upsampling(stbir__info* stbir_info)
-{
-    return stbir__use_upsampling(stbir_info->horizontal_scale);
-}
-
-stbir__inline static int stbir__use_height_upsampling(stbir__info* stbir_info)
-{
-    return stbir__use_upsampling(stbir_info->vertical_scale);
-}
-
-// This is the maximum number of input samples that can affect an output sample
-// with the given filter
-static int stbir__get_filter_pixel_width(stbir_filter filter, float scale)
-{
-    STBIR_ASSERT(filter != 0);
-    STBIR_ASSERT(filter < STBIR__ARRAY_SIZE(stbir__filter_info_table));
-
-    if (stbir__use_upsampling(scale))
-        return (int)ceil(stbir__filter_info_table[filter].support(1/scale) * 2);
-    else
-        return (int)ceil(stbir__filter_info_table[filter].support(scale) * 2 / scale);
-}
-
-// This is how much to expand buffers to account for filters seeking outside
-// the image boundaries.
-static int stbir__get_filter_pixel_margin(stbir_filter filter, float scale)
-{
-    return stbir__get_filter_pixel_width(filter, scale) / 2;
-}
-
-static int stbir__get_coefficient_width(stbir_filter filter, float scale)
-{
-    if (stbir__use_upsampling(scale))
-        return (int)ceil(stbir__filter_info_table[filter].support(1 / scale) * 2);
-    else
-        return (int)ceil(stbir__filter_info_table[filter].support(scale) * 2);
-}
-
-static int stbir__get_contributors(float scale, stbir_filter filter, int input_size, int output_size)
-{
-    if (stbir__use_upsampling(scale))
-        return output_size;
-    else
-        return (input_size + stbir__get_filter_pixel_margin(filter, scale) * 2);
-}
-
-static int stbir__get_total_horizontal_coefficients(stbir__info* info)
-{
-    return info->horizontal_num_contributors
-         * stbir__get_coefficient_width      (info->horizontal_filter, info->horizontal_scale);
-}
-
-static int stbir__get_total_vertical_coefficients(stbir__info* info)
-{
-    return info->vertical_num_contributors
-         * stbir__get_coefficient_width      (info->vertical_filter, info->vertical_scale);
-}
-
-static stbir__contributors* stbir__get_contributor(stbir__contributors* contributors, int n)
-{
-    return &contributors[n];
-}
-
-// For perf reasons this code is duplicated in stbir__resample_horizontal_upsample/downsample,
-// if you change it here change it there too.
-static float* stbir__get_coefficient(float* coefficients, stbir_filter filter, float scale, int n, int c)
-{
-    int width = stbir__get_coefficient_width(filter, scale);
-    return &coefficients[width*n + c];
-}
-
-static int stbir__edge_wrap_slow(stbir_edge edge, int n, int max)
-{
-    switch (edge)
-    {
-    case STBIR_EDGE_ZERO:
-        return 0; // we'll decode the wrong pixel here, and then overwrite with 0s later
-
-    case STBIR_EDGE_CLAMP:
-        if (n < 0)
-            return 0;
-
-        if (n >= max)
-            return max - 1;
-
-        return n; // NOTREACHED
-
-    case STBIR_EDGE_REFLECT:
-    {
-        if (n < 0)
-        {
-            if (n < max)
-                return -n;
-            else
-                return max - 1;
-        }
-
-        if (n >= max)
-        {
-            int max2 = max * 2;
-            if (n >= max2)
-                return 0;
-            else
-                return max2 - n - 1;
-        }
-
-        return n; // NOTREACHED
-    }
-
-    case STBIR_EDGE_WRAP:
-        if (n >= 0)
-            return (n % max);
-        else
-        {
-            int m = (-n) % max;
-
-            if (m != 0)
-                m = max - m;
-
-            return (m);
-        }
-        // NOTREACHED
-
-    default:
-        STBIR_ASSERT(!"Unimplemented edge type");
-        return 0;
-    }
-}
-
-stbir__inline static int stbir__edge_wrap(stbir_edge edge, int n, int max)
-{
-    // avoid per-pixel switch
-    if (n >= 0 && n < max)
-        return n;
-    return stbir__edge_wrap_slow(edge, n, max);
-}
-
-// What input pixels contribute to this output pixel?
-static void stbir__calculate_sample_range_upsample(int n, float out_filter_radius, float scale_ratio, float out_shift, int* in_first_pixel, int* in_last_pixel, float* in_center_of_out)
-{
-    float out_pixel_center = (float)n + 0.5f;
-    float out_pixel_influence_lowerbound = out_pixel_center - out_filter_radius;
-    float out_pixel_influence_upperbound = out_pixel_center + out_filter_radius;
-
-    float in_pixel_influence_lowerbound = (out_pixel_influence_lowerbound + out_shift) / scale_ratio;
-    float in_pixel_influence_upperbound = (out_pixel_influence_upperbound + out_shift) / scale_ratio;
-
-    *in_center_of_out = (out_pixel_center + out_shift) / scale_ratio;
-    *in_first_pixel = (int)(floor(in_pixel_influence_lowerbound + 0.5));
-    *in_last_pixel = (int)(floor(in_pixel_influence_upperbound - 0.5));
-}
-
-// What output pixels does this input pixel contribute to?
-static void stbir__calculate_sample_range_downsample(int n, float in_pixels_radius, float scale_ratio, float out_shift, int* out_first_pixel, int* out_last_pixel, float* out_center_of_in)
-{
-    float in_pixel_center = (float)n + 0.5f;
-    float in_pixel_influence_lowerbound = in_pixel_center - in_pixels_radius;
-    float in_pixel_influence_upperbound = in_pixel_center + in_pixels_radius;
-
-    float out_pixel_influence_lowerbound = in_pixel_influence_lowerbound * scale_ratio - out_shift;
-    float out_pixel_influence_upperbound = in_pixel_influence_upperbound * scale_ratio - out_shift;
-
-    *out_center_of_in = in_pixel_center * scale_ratio - out_shift;
-    *out_first_pixel = (int)(floor(out_pixel_influence_lowerbound + 0.5));
-    *out_last_pixel = (int)(floor(out_pixel_influence_upperbound - 0.5));
-}
-
-static void stbir__calculate_coefficients_upsample(stbir_filter filter, float scale, int in_first_pixel, int in_last_pixel, float in_center_of_out, stbir__contributors* contributor, float* coefficient_group)
-{
-    int i;
-    float total_filter = 0;
-    float filter_scale;
-
-    STBIR_ASSERT(in_last_pixel - in_first_pixel <= (int)ceil(stbir__filter_info_table[filter].support(1/scale) * 2)); // Taken directly from stbir__get_coefficient_width() which we can't call because we don't know if we're horizontal or vertical.
-
-    contributor->n0 = in_first_pixel;
-    contributor->n1 = in_last_pixel;
-
-    STBIR_ASSERT(contributor->n1 >= contributor->n0);
-
-    for (i = 0; i <= in_last_pixel - in_first_pixel; i++)
-    {
-        float in_pixel_center = (float)(i + in_first_pixel) + 0.5f;
-        coefficient_group[i] = stbir__filter_info_table[filter].kernel(in_center_of_out - in_pixel_center, 1 / scale);
-
-        // If the coefficient is zero, skip it. (Don't do the <0 check here, we want the influence of those outside pixels.)
-        if (i == 0 && !coefficient_group[i])
-        {
-            contributor->n0 = ++in_first_pixel;
-            i--;
-            continue;
-        }
-
-        total_filter += coefficient_group[i];
-    }
-
-    // NOTE(fg): Not actually true in general, nor is there any reason to expect it should be.
-    // It would be true in exact math but is at best approximately true in floating-point math,
-    // and it would not make sense to try and put actual bounds on this here because it depends
-    // on the image aspect ratio which can get pretty extreme.
-    //STBIR_ASSERT(stbir__filter_info_table[filter].kernel((float)(in_last_pixel + 1) + 0.5f - in_center_of_out, 1/scale) == 0);
-
-    STBIR_ASSERT(total_filter > 0.9);
-    STBIR_ASSERT(total_filter < 1.1f); // Make sure it's not way off.
-
-    // Make sure the sum of all coefficients is 1.
-    filter_scale = 1 / total_filter;
-
-    for (i = 0; i <= in_last_pixel - in_first_pixel; i++)
-        coefficient_group[i] *= filter_scale;
-
-    for (i = in_last_pixel - in_first_pixel; i >= 0; i--)
-    {
-        if (coefficient_group[i])
-            break;
-
-        // This line has no weight. We can skip it.
-        contributor->n1 = contributor->n0 + i - 1;
-    }
-}
-
-static void stbir__calculate_coefficients_downsample(stbir_filter filter, float scale_ratio, int out_first_pixel, int out_last_pixel, float out_center_of_in, stbir__contributors* contributor, float* coefficient_group)
-{
-    int i;
-
-    STBIR_ASSERT(out_last_pixel - out_first_pixel <= (int)ceil(stbir__filter_info_table[filter].support(scale_ratio) * 2)); // Taken directly from stbir__get_coefficient_width() which we can't call because we don't know if we're horizontal or vertical.
-
-    contributor->n0 = out_first_pixel;
-    contributor->n1 = out_last_pixel;
-
-    STBIR_ASSERT(contributor->n1 >= contributor->n0);
-
-    for (i = 0; i <= out_last_pixel - out_first_pixel; i++)
-    {
-        float out_pixel_center = (float)(i + out_first_pixel) + 0.5f;
-        float x = out_pixel_center - out_center_of_in;
-        coefficient_group[i] = stbir__filter_info_table[filter].kernel(x, scale_ratio) * scale_ratio;
-    }
-
-    // NOTE(fg): Not actually true in general, nor is there any reason to expect it should be.
-    // It would be true in exact math but is at best approximately true in floating-point math,
-    // and it would not make sense to try and put actual bounds on this here because it depends
-    // on the image aspect ratio which can get pretty extreme.
-    //STBIR_ASSERT(stbir__filter_info_table[filter].kernel((float)(out_last_pixel + 1) + 0.5f - out_center_of_in, scale_ratio) == 0);
-
-    for (i = out_last_pixel - out_first_pixel; i >= 0; i--)
-    {
-        if (coefficient_group[i])
-            break;
-
-        // This line has no weight. We can skip it.
-        contributor->n1 = contributor->n0 + i - 1;
-    }
-}
-
-static void stbir__normalize_downsample_coefficients(stbir__contributors* contributors, float* coefficients, stbir_filter filter, float scale_ratio, int input_size, int output_size)
-{
-    int num_contributors = stbir__get_contributors(scale_ratio, filter, input_size, output_size);
-    int num_coefficients = stbir__get_coefficient_width(filter, scale_ratio);
-    int i, j;
-    int skip;
-
-    for (i = 0; i < output_size; i++)
-    {
-        float scale;
-        float total = 0;
-
-        for (j = 0; j < num_contributors; j++)
-        {
-            if (i >= contributors[j].n0 && i <= contributors[j].n1)
-            {
-                float coefficient = *stbir__get_coefficient(coefficients, filter, scale_ratio, j, i - contributors[j].n0);
-                total += coefficient;
-            }
-            else if (i < contributors[j].n0)
-                break;
-        }
-
-        STBIR_ASSERT(total > 0.9f);
-        STBIR_ASSERT(total < 1.1f);
-
-        scale = 1 / total;
-
-        for (j = 0; j < num_contributors; j++)
-        {
-            if (i >= contributors[j].n0 && i <= contributors[j].n1)
-                *stbir__get_coefficient(coefficients, filter, scale_ratio, j, i - contributors[j].n0) *= scale;
-            else if (i < contributors[j].n0)
-                break;
-        }
-    }
-
-    // Optimize: Skip zero coefficients and contributions outside of image bounds.
-    // Do this after normalizing because normalization depends on the n0/n1 values.
-    for (j = 0; j < num_contributors; j++)
-    {
-        int range, max, width;
-
-        skip = 0;
-        while (*stbir__get_coefficient(coefficients, filter, scale_ratio, j, skip) == 0)
-            skip++;
-
-        contributors[j].n0 += skip;
-
-        while (contributors[j].n0 < 0)
-        {
-            contributors[j].n0++;
-            skip++;
-        }
-
-        range = contributors[j].n1 - contributors[j].n0 + 1;
-        max = stbir__min(num_coefficients, range);
-
-        width = stbir__get_coefficient_width(filter, scale_ratio);
-        for (i = 0; i < max; i++)
-        {
-            if (i + skip >= width)
-                break;
-
-            *stbir__get_coefficient(coefficients, filter, scale_ratio, j, i) = *stbir__get_coefficient(coefficients, filter, scale_ratio, j, i + skip);
-        }
-
-        continue;
-    }
-
-    // Using min to avoid writing into invalid pixels.
-    for (i = 0; i < num_contributors; i++)
-        contributors[i].n1 = stbir__min(contributors[i].n1, output_size - 1);
-}
-
-// Each scan line uses the same kernel values so we should calculate the kernel
-// values once and then we can use them for every scan line.
-static void stbir__calculate_filters(stbir__contributors* contributors, float* coefficients, stbir_filter filter, float scale_ratio, float shift, int input_size, int output_size)
-{
-    int n;
-    int total_contributors = stbir__get_contributors(scale_ratio, filter, input_size, output_size);
-
-    if (stbir__use_upsampling(scale_ratio))
-    {
-        float out_pixels_radius = stbir__filter_info_table[filter].support(1 / scale_ratio) * scale_ratio;
-
-        // Looping through out pixels
-        for (n = 0; n < total_contributors; n++)
-        {
-            float in_center_of_out; // Center of the current out pixel in the in pixel space
-            int in_first_pixel, in_last_pixel;
-
-            stbir__calculate_sample_range_upsample(n, out_pixels_radius, scale_ratio, shift, &in_first_pixel, &in_last_pixel, &in_center_of_out);
-
-            stbir__calculate_coefficients_upsample(filter, scale_ratio, in_first_pixel, in_last_pixel, in_center_of_out, stbir__get_contributor(contributors, n), stbir__get_coefficient(coefficients, filter, scale_ratio, n, 0));
-        }
-    }
-    else
-    {
-        float in_pixels_radius = stbir__filter_info_table[filter].support(scale_ratio) / scale_ratio;
-
-        // Looping through in pixels
-        for (n = 0; n < total_contributors; n++)
-        {
-            float out_center_of_in; // Center of the current out pixel in the in pixel space
-            int out_first_pixel, out_last_pixel;
-            int n_adjusted = n - stbir__get_filter_pixel_margin(filter, scale_ratio);
-
-            stbir__calculate_sample_range_downsample(n_adjusted, in_pixels_radius, scale_ratio, shift, &out_first_pixel, &out_last_pixel, &out_center_of_in);
-
-            stbir__calculate_coefficients_downsample(filter, scale_ratio, out_first_pixel, out_last_pixel, out_center_of_in, stbir__get_contributor(contributors, n), stbir__get_coefficient(coefficients, filter, scale_ratio, n, 0));
-        }
-
-        stbir__normalize_downsample_coefficients(contributors, coefficients, filter, scale_ratio, input_size, output_size);
-    }
-}
-
-static float* stbir__get_decode_buffer(stbir__info* stbir_info)
-{
-    // The 0 index of the decode buffer starts after the margin. This makes
-    // it okay to use negative indexes on the decode buffer.
-    return &stbir_info->decode_buffer[stbir_info->horizontal_filter_pixel_margin * stbir_info->channels];
-}
-
-#define STBIR__DECODE(type, colorspace) ((int)(type) * (STBIR_MAX_COLORSPACES) + (int)(colorspace))
-
-static void stbir__decode_scanline(stbir__info* stbir_info, int n)
-{
-    int c;
-    int channels = stbir_info->channels;
-    int alpha_channel = stbir_info->alpha_channel;
-    int type = stbir_info->type;
-    int colorspace = stbir_info->colorspace;
-    int input_w = stbir_info->input_w;
-    size_t input_stride_bytes = stbir_info->input_stride_bytes;
-    float* decode_buffer = stbir__get_decode_buffer(stbir_info);
-    stbir_edge edge_horizontal = stbir_info->edge_horizontal;
-    stbir_edge edge_vertical = stbir_info->edge_vertical;
-    size_t in_buffer_row_offset = stbir__edge_wrap(edge_vertical, n, stbir_info->input_h) * input_stride_bytes;
-    const void* input_data = (char *) stbir_info->input_data + in_buffer_row_offset;
-    int max_x = input_w + stbir_info->horizontal_filter_pixel_margin;
-    int decode = STBIR__DECODE(type, colorspace);
-
-    int x = -stbir_info->horizontal_filter_pixel_margin;
-
-    // special handling for STBIR_EDGE_ZERO because it needs to return an item that doesn't appear in the input,
-    // and we want to avoid paying overhead on every pixel if not STBIR_EDGE_ZERO
-    if (edge_vertical == STBIR_EDGE_ZERO && (n < 0 || n >= stbir_info->input_h))
-    {
-        for (; x < max_x; x++)
-            for (c = 0; c < channels; c++)
-                decode_buffer[x*channels + c] = 0;
-        return;
-    }
-
-    switch (decode)
-    {
-    case STBIR__DECODE(STBIR_TYPE_UINT8, STBIR_COLORSPACE_LINEAR):
-        for (; x < max_x; x++)
-        {
-            int decode_pixel_index = x * channels;
-            int input_pixel_index = stbir__edge_wrap(edge_horizontal, x, input_w) * channels;
-            for (c = 0; c < channels; c++)
-                decode_buffer[decode_pixel_index + c] = ((float)((const unsigned char*)input_data)[input_pixel_index + c]) / stbir__max_uint8_as_float;
-        }
-        break;
-
-    case STBIR__DECODE(STBIR_TYPE_UINT8, STBIR_COLORSPACE_SRGB):
-        for (; x < max_x; x++)
-        {
-            int decode_pixel_index = x * channels;
-            int input_pixel_index = stbir__edge_wrap(edge_horizontal, x, input_w) * channels;
-            for (c = 0; c < channels; c++)
-                decode_buffer[decode_pixel_index + c] = stbir__srgb_uchar_to_linear_float[((const unsigned char*)input_data)[input_pixel_index + c]];
-
-            if (!(stbir_info->flags&STBIR_FLAG_ALPHA_USES_COLORSPACE))
-                decode_buffer[decode_pixel_index + alpha_channel] = ((float)((const unsigned char*)input_data)[input_pixel_index + alpha_channel]) / stbir__max_uint8_as_float;
-        }
-        break;
-
-    case STBIR__DECODE(STBIR_TYPE_UINT16, STBIR_COLORSPACE_LINEAR):
-        for (; x < max_x; x++)
-        {
-            int decode_pixel_index = x * channels;
-            int input_pixel_index = stbir__edge_wrap(edge_horizontal, x, input_w) * channels;
-            for (c = 0; c < channels; c++)
-                decode_buffer[decode_pixel_index + c] = ((float)((const unsigned short*)input_data)[input_pixel_index + c]) / stbir__max_uint16_as_float;
-        }
-        break;
-
-    case STBIR__DECODE(STBIR_TYPE_UINT16, STBIR_COLORSPACE_SRGB):
-        for (; x < max_x; x++)
-        {
-            int decode_pixel_index = x * channels;
-            int input_pixel_index = stbir__edge_wrap(edge_horizontal, x, input_w) * channels;
-            for (c = 0; c < channels; c++)
-                decode_buffer[decode_pixel_index + c] = stbir__srgb_to_linear(((float)((const unsigned short*)input_data)[input_pixel_index + c]) / stbir__max_uint16_as_float);
-
-            if (!(stbir_info->flags&STBIR_FLAG_ALPHA_USES_COLORSPACE))
-                decode_buffer[decode_pixel_index + alpha_channel] = ((float)((const unsigned short*)input_data)[input_pixel_index + alpha_channel]) / stbir__max_uint16_as_float;
-        }
-        break;
-
-    case STBIR__DECODE(STBIR_TYPE_UINT32, STBIR_COLORSPACE_LINEAR):
-        for (; x < max_x; x++)
-        {
-            int decode_pixel_index = x * channels;
-            int input_pixel_index = stbir__edge_wrap(edge_horizontal, x, input_w) * channels;
-            for (c = 0; c < channels; c++)
-                decode_buffer[decode_pixel_index + c] = (float)(((double)((const unsigned int*)input_data)[input_pixel_index + c]) / stbir__max_uint32_as_float);
-        }
-        break;
-
-    case STBIR__DECODE(STBIR_TYPE_UINT32, STBIR_COLORSPACE_SRGB):
-        for (; x < max_x; x++)
-        {
-            int decode_pixel_index = x * channels;
-            int input_pixel_index = stbir__edge_wrap(edge_horizontal, x, input_w) * channels;
-            for (c = 0; c < channels; c++)
-                decode_buffer[decode_pixel_index + c] = stbir__srgb_to_linear((float)(((double)((const unsigned int*)input_data)[input_pixel_index + c]) / stbir__max_uint32_as_float));
-
-            if (!(stbir_info->flags&STBIR_FLAG_ALPHA_USES_COLORSPACE))
-                decode_buffer[decode_pixel_index + alpha_channel] = (float)(((double)((const unsigned int*)input_data)[input_pixel_index + alpha_channel]) / stbir__max_uint32_as_float);
-        }
-        break;
-
-    case STBIR__DECODE(STBIR_TYPE_FLOAT, STBIR_COLORSPACE_LINEAR):
-        for (; x < max_x; x++)
-        {
-            int decode_pixel_index = x * channels;
-            int input_pixel_index = stbir__edge_wrap(edge_horizontal, x, input_w) * channels;
-            for (c = 0; c < channels; c++)
-                decode_buffer[decode_pixel_index + c] = ((const float*)input_data)[input_pixel_index + c];
-        }
-        break;
-
-    case STBIR__DECODE(STBIR_TYPE_FLOAT, STBIR_COLORSPACE_SRGB):
-        for (; x < max_x; x++)
-        {
-            int decode_pixel_index = x * channels;
-            int input_pixel_index = stbir__edge_wrap(edge_horizontal, x, input_w) * channels;
-            for (c = 0; c < channels; c++)
-                decode_buffer[decode_pixel_index + c] = stbir__srgb_to_linear(((const float*)input_data)[input_pixel_index + c]);
-
-            if (!(stbir_info->flags&STBIR_FLAG_ALPHA_USES_COLORSPACE))
-                decode_buffer[decode_pixel_index + alpha_channel] = ((const float*)input_data)[input_pixel_index + alpha_channel];
-        }
-
-        break;
-
-    default:
-        STBIR_ASSERT(!"Unknown type/colorspace/channels combination.");
-        break;
-    }
-
-    if (!(stbir_info->flags & STBIR_FLAG_ALPHA_PREMULTIPLIED))
-    {
-        for (x = -stbir_info->horizontal_filter_pixel_margin; x < max_x; x++)
-        {
-            int decode_pixel_index = x * channels;
-
-            // If the alpha value is 0 it will clobber the color values. Make sure it's not.
-            float alpha = decode_buffer[decode_pixel_index + alpha_channel];
-#ifndef STBIR_NO_ALPHA_EPSILON
-            if (stbir_info->type != STBIR_TYPE_FLOAT) {
-                alpha += STBIR_ALPHA_EPSILON;
-                decode_buffer[decode_pixel_index + alpha_channel] = alpha;
-            }
-#endif
-            for (c = 0; c < channels; c++)
-            {
-                if (c == alpha_channel)
-                    continue;
-
-                decode_buffer[decode_pixel_index + c] *= alpha;
-            }
-        }
-    }
-
-    if (edge_horizontal == STBIR_EDGE_ZERO)
-    {
-        for (x = -stbir_info->horizontal_filter_pixel_margin; x < 0; x++)
-        {
-            for (c = 0; c < channels; c++)
-                decode_buffer[x*channels + c] = 0;
-        }
-        for (x = input_w; x < max_x; x++)
-        {
-            for (c = 0; c < channels; c++)
-                decode_buffer[x*channels + c] = 0;
-        }
-    }
-}
-
-static float* stbir__get_ring_buffer_entry(float* ring_buffer, int index, int ring_buffer_length)
-{
-    return &ring_buffer[index * ring_buffer_length];
-}
-
-static float* stbir__add_empty_ring_buffer_entry(stbir__info* stbir_info, int n)
-{
-    int ring_buffer_index;
-    float* ring_buffer;
-
-    stbir_info->ring_buffer_last_scanline = n;
-
-    if (stbir_info->ring_buffer_begin_index < 0)
-    {
-        ring_buffer_index = stbir_info->ring_buffer_begin_index = 0;
-        stbir_info->ring_buffer_first_scanline = n;
-    }
-    else
-    {
-        ring_buffer_index = (stbir_info->ring_buffer_begin_index + (stbir_info->ring_buffer_last_scanline - stbir_info->ring_buffer_first_scanline)) % stbir_info->ring_buffer_num_entries;
-        STBIR_ASSERT(ring_buffer_index != stbir_info->ring_buffer_begin_index);
-    }
-
-    ring_buffer = stbir__get_ring_buffer_entry(stbir_info->ring_buffer, ring_buffer_index, stbir_info->ring_buffer_length_bytes / sizeof(float));
-    memset(ring_buffer, 0, stbir_info->ring_buffer_length_bytes);
-
-    return ring_buffer;
-}
-
-
-static void stbir__resample_horizontal_upsample(stbir__info* stbir_info, float* output_buffer)
-{
-    int x, k;
-    int output_w = stbir_info->output_w;
-    int channels = stbir_info->channels;
-    float* decode_buffer = stbir__get_decode_buffer(stbir_info);
-    stbir__contributors* horizontal_contributors = stbir_info->horizontal_contributors;
-    float* horizontal_coefficients = stbir_info->horizontal_coefficients;
-    int coefficient_width = stbir_info->horizontal_coefficient_width;
-
-    for (x = 0; x < output_w; x++)
-    {
-        int n0 = horizontal_contributors[x].n0;
-        int n1 = horizontal_contributors[x].n1;
-
-        int out_pixel_index = x * channels;
-        int coefficient_group = coefficient_width * x;
-        int coefficient_counter = 0;
-
-        STBIR_ASSERT(n1 >= n0);
-        STBIR_ASSERT(n0 >= -stbir_info->horizontal_filter_pixel_margin);
-        STBIR_ASSERT(n1 >= -stbir_info->horizontal_filter_pixel_margin);
-        STBIR_ASSERT(n0 < stbir_info->input_w + stbir_info->horizontal_filter_pixel_margin);
-        STBIR_ASSERT(n1 < stbir_info->input_w + stbir_info->horizontal_filter_pixel_margin);
-
-        switch (channels) {
-            case 1:
-                for (k = n0; k <= n1; k++)
-                {
-                    int in_pixel_index = k * 1;
-                    float coefficient = horizontal_coefficients[coefficient_group + coefficient_counter++];
-                    STBIR_ASSERT(coefficient != 0);
-                    output_buffer[out_pixel_index + 0] += decode_buffer[in_pixel_index + 0] * coefficient;
-                }
-                break;
-            case 2:
-                for (k = n0; k <= n1; k++)
-                {
-                    int in_pixel_index = k * 2;
-                    float coefficient = horizontal_coefficients[coefficient_group + coefficient_counter++];
-                    STBIR_ASSERT(coefficient != 0);
-                    output_buffer[out_pixel_index + 0] += decode_buffer[in_pixel_index + 0] * coefficient;
-                    output_buffer[out_pixel_index + 1] += decode_buffer[in_pixel_index + 1] * coefficient;
-                }
-                break;
-            case 3:
-                for (k = n0; k <= n1; k++)
-                {
-                    int in_pixel_index = k * 3;
-                    float coefficient = horizontal_coefficients[coefficient_group + coefficient_counter++];
-                    STBIR_ASSERT(coefficient != 0);
-                    output_buffer[out_pixel_index + 0] += decode_buffer[in_pixel_index + 0] * coefficient;
-                    output_buffer[out_pixel_index + 1] += decode_buffer[in_pixel_index + 1] * coefficient;
-                    output_buffer[out_pixel_index + 2] += decode_buffer[in_pixel_index + 2] * coefficient;
-                }
-                break;
-            case 4:
-                for (k = n0; k <= n1; k++)
-                {
-                    int in_pixel_index = k * 4;
-                    float coefficient = horizontal_coefficients[coefficient_group + coefficient_counter++];
-                    STBIR_ASSERT(coefficient != 0);
-                    output_buffer[out_pixel_index + 0] += decode_buffer[in_pixel_index + 0] * coefficient;
-                    output_buffer[out_pixel_index + 1] += decode_buffer[in_pixel_index + 1] * coefficient;
-                    output_buffer[out_pixel_index + 2] += decode_buffer[in_pixel_index + 2] * coefficient;
-                    output_buffer[out_pixel_index + 3] += decode_buffer[in_pixel_index + 3] * coefficient;
-                }
-                break;
-            default:
-                for (k = n0; k <= n1; k++)
-                {
-                    int in_pixel_index = k * channels;
-                    float coefficient = horizontal_coefficients[coefficient_group + coefficient_counter++];
-                    int c;
-                    STBIR_ASSERT(coefficient != 0);
-                    for (c = 0; c < channels; c++)
-                        output_buffer[out_pixel_index + c] += decode_buffer[in_pixel_index + c] * coefficient;
-                }
-                break;
-        }
-    }
-}
-
-static void stbir__resample_horizontal_downsample(stbir__info* stbir_info, float* output_buffer)
-{
-    int x, k;
-    int input_w = stbir_info->input_w;
-    int channels = stbir_info->channels;
-    float* decode_buffer = stbir__get_decode_buffer(stbir_info);
-    stbir__contributors* horizontal_contributors = stbir_info->horizontal_contributors;
-    float* horizontal_coefficients = stbir_info->horizontal_coefficients;
-    int coefficient_width = stbir_info->horizontal_coefficient_width;
-    int filter_pixel_margin = stbir_info->horizontal_filter_pixel_margin;
-    int max_x = input_w + filter_pixel_margin * 2;
-
-    STBIR_ASSERT(!stbir__use_width_upsampling(stbir_info));
-
-    switch (channels) {
-        case 1:
-            for (x = 0; x < max_x; x++)
-            {
-                int n0 = horizontal_contributors[x].n0;
-                int n1 = horizontal_contributors[x].n1;
-
-                int in_x = x - filter_pixel_margin;
-                int in_pixel_index = in_x * 1;
-                int max_n = n1;
-                int coefficient_group = coefficient_width * x;
-
-                for (k = n0; k <= max_n; k++)
-                {
-                    int out_pixel_index = k * 1;
-                    float coefficient = horizontal_coefficients[coefficient_group + k - n0];
-                    output_buffer[out_pixel_index + 0] += decode_buffer[in_pixel_index + 0] * coefficient;
-                }
-            }
-            break;
-
-        case 2:
-            for (x = 0; x < max_x; x++)
-            {
-                int n0 = horizontal_contributors[x].n0;
-                int n1 = horizontal_contributors[x].n1;
-
-                int in_x = x - filter_pixel_margin;
-                int in_pixel_index = in_x * 2;
-                int max_n = n1;
-                int coefficient_group = coefficient_width * x;
-
-                for (k = n0; k <= max_n; k++)
-                {
-                    int out_pixel_index = k * 2;
-                    float coefficient = horizontal_coefficients[coefficient_group + k - n0];
-                    output_buffer[out_pixel_index + 0] += decode_buffer[in_pixel_index + 0] * coefficient;
-                    output_buffer[out_pixel_index + 1] += decode_buffer[in_pixel_index + 1] * coefficient;
-                }
-            }
-            break;
-
-        case 3:
-            for (x = 0; x < max_x; x++)
-            {
-                int n0 = horizontal_contributors[x].n0;
-                int n1 = horizontal_contributors[x].n1;
-
-                int in_x = x - filter_pixel_margin;
-                int in_pixel_index = in_x * 3;
-                int max_n = n1;
-                int coefficient_group = coefficient_width * x;
-
-                for (k = n0; k <= max_n; k++)
-                {
-                    int out_pixel_index = k * 3;
-                    float coefficient = horizontal_coefficients[coefficient_group + k - n0];
-                    output_buffer[out_pixel_index + 0] += decode_buffer[in_pixel_index + 0] * coefficient;
-                    output_buffer[out_pixel_index + 1] += decode_buffer[in_pixel_index + 1] * coefficient;
-                    output_buffer[out_pixel_index + 2] += decode_buffer[in_pixel_index + 2] * coefficient;
-                }
-            }
-            break;
-
-        case 4:
-            for (x = 0; x < max_x; x++)
-            {
-                int n0 = horizontal_contributors[x].n0;
-                int n1 = horizontal_contributors[x].n1;
-
-                int in_x = x - filter_pixel_margin;
-                int in_pixel_index = in_x * 4;
-                int max_n = n1;
-                int coefficient_group = coefficient_width * x;
-
-                for (k = n0; k <= max_n; k++)
-                {
-                    int out_pixel_index = k * 4;
-                    float coefficient = horizontal_coefficients[coefficient_group + k - n0];
-                    output_buffer[out_pixel_index + 0] += decode_buffer[in_pixel_index + 0] * coefficient;
-                    output_buffer[out_pixel_index + 1] += decode_buffer[in_pixel_index + 1] * coefficient;
-                    output_buffer[out_pixel_index + 2] += decode_buffer[in_pixel_index + 2] * coefficient;
-                    output_buffer[out_pixel_index + 3] += decode_buffer[in_pixel_index + 3] * coefficient;
-                }
-            }
-            break;
-
-        default:
-            for (x = 0; x < max_x; x++)
-            {
-                int n0 = horizontal_contributors[x].n0;
-                int n1 = horizontal_contributors[x].n1;
-
-                int in_x = x - filter_pixel_margin;
-                int in_pixel_index = in_x * channels;
-                int max_n = n1;
-                int coefficient_group = coefficient_width * x;
-
-                for (k = n0; k <= max_n; k++)
-                {
-                    int c;
-                    int out_pixel_index = k * channels;
-                    float coefficient = horizontal_coefficients[coefficient_group + k - n0];
-                    for (c = 0; c < channels; c++)
-                        output_buffer[out_pixel_index + c] += decode_buffer[in_pixel_index + c] * coefficient;
-                }
-            }
-            break;
-    }
-}
-
-static void stbir__decode_and_resample_upsample(stbir__info* stbir_info, int n)
-{
-    // Decode the nth scanline from the source image into the decode buffer.
-    stbir__decode_scanline(stbir_info, n);
-
-    // Now resample it into the ring buffer.
-    if (stbir__use_width_upsampling(stbir_info))
-        stbir__resample_horizontal_upsample(stbir_info, stbir__add_empty_ring_buffer_entry(stbir_info, n));
-    else
-        stbir__resample_horizontal_downsample(stbir_info, stbir__add_empty_ring_buffer_entry(stbir_info, n));
-
-    // Now it's sitting in the ring buffer ready to be used as source for the vertical sampling.
-}
-
-static void stbir__decode_and_resample_downsample(stbir__info* stbir_info, int n)
-{
-    // Decode the nth scanline from the source image into the decode buffer.
-    stbir__decode_scanline(stbir_info, n);
-
-    memset(stbir_info->horizontal_buffer, 0, stbir_info->output_w * stbir_info->channels * sizeof(float));
-
-    // Now resample it into the horizontal buffer.
-    if (stbir__use_width_upsampling(stbir_info))
-        stbir__resample_horizontal_upsample(stbir_info, stbir_info->horizontal_buffer);
-    else
-        stbir__resample_horizontal_downsample(stbir_info, stbir_info->horizontal_buffer);
-
-    // Now it's sitting in the horizontal buffer ready to be distributed into the ring buffers.
-}
-
-// Get the specified scan line from the ring buffer.
-static float* stbir__get_ring_buffer_scanline(int get_scanline, float* ring_buffer, int begin_index, int first_scanline, int ring_buffer_num_entries, int ring_buffer_length)
-{
-    int ring_buffer_index = (begin_index + (get_scanline - first_scanline)) % ring_buffer_num_entries;
-    return stbir__get_ring_buffer_entry(ring_buffer, ring_buffer_index, ring_buffer_length);
-}
-
-
-static void stbir__encode_scanline(stbir__info* stbir_info, int num_pixels, void *output_buffer, float *encode_buffer, int channels, int alpha_channel, int decode)
-{
-    int x;
-    int n;
-    int num_nonalpha;
-    stbir_uint16 nonalpha[STBIR_MAX_CHANNELS];
-
-    if (!(stbir_info->flags&STBIR_FLAG_ALPHA_PREMULTIPLIED))
-    {
-        for (x=0; x < num_pixels; ++x)
-        {
-            int pixel_index = x*channels;
-
-            float alpha = encode_buffer[pixel_index + alpha_channel];
-            float reciprocal_alpha = alpha ? 1.0f / alpha : 0;
-
-            // unrolling this produced a 1% slowdown upscaling a large RGBA linear-space image on my machine - stb
-            for (n = 0; n < channels; n++)
-                if (n != alpha_channel)
-                    encode_buffer[pixel_index + n] *= reciprocal_alpha;
-
-            // We added in a small epsilon to prevent the color channel from being deleted with zero alpha.
-            // Because we only add it for integer types, it will automatically be discarded on integer
-            // conversion, so we don't need to subtract it back out (which would be problematic for
-            // numeric precision reasons).
-        }
-    }
-
-    // build a table of all channels that need colorspace correction, so
-    // we don't perform colorspace correction on channels that don't need it.
-    for (x = 0, num_nonalpha = 0; x < channels; ++x)
-    {
-        if (x != alpha_channel || (stbir_info->flags & STBIR_FLAG_ALPHA_USES_COLORSPACE))
-        {
-            nonalpha[num_nonalpha++] = (stbir_uint16)x;
-        }
-    }
-
-    #define STBIR__ROUND_INT(f)    ((int)          ((f)+0.5))
-    #define STBIR__ROUND_UINT(f)   ((stbir_uint32) ((f)+0.5))
-
-    #ifdef STBIR__SATURATE_INT
-    #define STBIR__ENCODE_LINEAR8(f)   stbir__saturate8 (STBIR__ROUND_INT((f) * stbir__max_uint8_as_float ))
-    #define STBIR__ENCODE_LINEAR16(f)  stbir__saturate16(STBIR__ROUND_INT((f) * stbir__max_uint16_as_float))
-    #else
-    #define STBIR__ENCODE_LINEAR8(f)   (unsigned char ) STBIR__ROUND_INT(stbir__saturate(f) * stbir__max_uint8_as_float )
-    #define STBIR__ENCODE_LINEAR16(f)  (unsigned short) STBIR__ROUND_INT(stbir__saturate(f) * stbir__max_uint16_as_float)
-    #endif
-
-    switch (decode)
-    {
-        case STBIR__DECODE(STBIR_TYPE_UINT8, STBIR_COLORSPACE_LINEAR):
-            for (x=0; x < num_pixels; ++x)
-            {
-                int pixel_index = x*channels;
-
-                for (n = 0; n < channels; n++)
-                {
-                    int index = pixel_index + n;
-                    ((unsigned char*)output_buffer)[index] = STBIR__ENCODE_LINEAR8(encode_buffer[index]);
-                }
-            }
-            break;
-
-        case STBIR__DECODE(STBIR_TYPE_UINT8, STBIR_COLORSPACE_SRGB):
-            for (x=0; x < num_pixels; ++x)
-            {
-                int pixel_index = x*channels;
-
-                for (n = 0; n < num_nonalpha; n++)
-                {
-                    int index = pixel_index + nonalpha[n];
-                    ((unsigned char*)output_buffer)[index] = stbir__linear_to_srgb_uchar(encode_buffer[index]);
-                }
-
-                if (!(stbir_info->flags & STBIR_FLAG_ALPHA_USES_COLORSPACE))
-                    ((unsigned char *)output_buffer)[pixel_index + alpha_channel] = STBIR__ENCODE_LINEAR8(encode_buffer[pixel_index+alpha_channel]);
-            }
-            break;
-
-        case STBIR__DECODE(STBIR_TYPE_UINT16, STBIR_COLORSPACE_LINEAR):
-            for (x=0; x < num_pixels; ++x)
-            {
-                int pixel_index = x*channels;
-
-                for (n = 0; n < channels; n++)
-                {
-                    int index = pixel_index + n;
-                    ((unsigned short*)output_buffer)[index] = STBIR__ENCODE_LINEAR16(encode_buffer[index]);
-                }
-            }
-            break;
-
-        case STBIR__DECODE(STBIR_TYPE_UINT16, STBIR_COLORSPACE_SRGB):
-            for (x=0; x < num_pixels; ++x)
-            {
-                int pixel_index = x*channels;
-
-                for (n = 0; n < num_nonalpha; n++)
-                {
-                    int index = pixel_index + nonalpha[n];
-                    ((unsigned short*)output_buffer)[index] = (unsigned short)STBIR__ROUND_INT(stbir__linear_to_srgb(stbir__saturate(encode_buffer[index])) * stbir__max_uint16_as_float);
-                }
-
-                if (!(stbir_info->flags&STBIR_FLAG_ALPHA_USES_COLORSPACE))
-                    ((unsigned short*)output_buffer)[pixel_index + alpha_channel] = STBIR__ENCODE_LINEAR16(encode_buffer[pixel_index + alpha_channel]);
-            }
-
-            break;
-
-        case STBIR__DECODE(STBIR_TYPE_UINT32, STBIR_COLORSPACE_LINEAR):
-            for (x=0; x < num_pixels; ++x)
-            {
-                int pixel_index = x*channels;
-
-                for (n = 0; n < channels; n++)
-                {
-                    int index = pixel_index + n;
-                    ((unsigned int*)output_buffer)[index] = (unsigned int)STBIR__ROUND_UINT(((double)stbir__saturate(encode_buffer[index])) * stbir__max_uint32_as_float);
-                }
-            }
-            break;
-
-        case STBIR__DECODE(STBIR_TYPE_UINT32, STBIR_COLORSPACE_SRGB):
-            for (x=0; x < num_pixels; ++x)
-            {
-                int pixel_index = x*channels;
-
-                for (n = 0; n < num_nonalpha; n++)
-                {
-                    int index = pixel_index + nonalpha[n];
-                    ((unsigned int*)output_buffer)[index] = (unsigned int)STBIR__ROUND_UINT(((double)stbir__linear_to_srgb(stbir__saturate(encode_buffer[index]))) * stbir__max_uint32_as_float);
-                }
-
-                if (!(stbir_info->flags&STBIR_FLAG_ALPHA_USES_COLORSPACE))
-                    ((unsigned int*)output_buffer)[pixel_index + alpha_channel] = (unsigned int)STBIR__ROUND_INT(((double)stbir__saturate(encode_buffer[pixel_index + alpha_channel])) * stbir__max_uint32_as_float);
-            }
-            break;
-
-        case STBIR__DECODE(STBIR_TYPE_FLOAT, STBIR_COLORSPACE_LINEAR):
-            for (x=0; x < num_pixels; ++x)
-            {
-                int pixel_index = x*channels;
-
-                for (n = 0; n < channels; n++)
-                {
-                    int index = pixel_index + n;
-                    ((float*)output_buffer)[index] = encode_buffer[index];
-                }
-            }
-            break;
-
-        case STBIR__DECODE(STBIR_TYPE_FLOAT, STBIR_COLORSPACE_SRGB):
-            for (x=0; x < num_pixels; ++x)
-            {
-                int pixel_index = x*channels;
-
-                for (n = 0; n < num_nonalpha; n++)
-                {
-                    int index = pixel_index + nonalpha[n];
-                    ((float*)output_buffer)[index] = stbir__linear_to_srgb(encode_buffer[index]);
-                }
-
-                if (!(stbir_info->flags&STBIR_FLAG_ALPHA_USES_COLORSPACE))
-                    ((float*)output_buffer)[pixel_index + alpha_channel] = encode_buffer[pixel_index + alpha_channel];
-            }
-            break;
-
-        default:
-            STBIR_ASSERT(!"Unknown type/colorspace/channels combination.");
-            break;
-    }
-}
-
-static void stbir__resample_vertical_upsample(stbir__info* stbir_info, int n)
-{
-    int x, k;
-    int output_w = stbir_info->output_w;
-    stbir__contributors* vertical_contributors = stbir_info->vertical_contributors;
-    float* vertical_coefficients = stbir_info->vertical_coefficients;
-    int channels = stbir_info->channels;
-    int alpha_channel = stbir_info->alpha_channel;
-    int type = stbir_info->type;
-    int colorspace = stbir_info->colorspace;
-    int ring_buffer_entries = stbir_info->ring_buffer_num_entries;
-    void* output_data = stbir_info->output_data;
-    float* encode_buffer = stbir_info->encode_buffer;
-    int decode = STBIR__DECODE(type, colorspace);
-    int coefficient_width = stbir_info->vertical_coefficient_width;
-    int coefficient_counter;
-    int contributor = n;
-
-    float* ring_buffer = stbir_info->ring_buffer;
-    int ring_buffer_begin_index = stbir_info->ring_buffer_begin_index;
-    int ring_buffer_first_scanline = stbir_info->ring_buffer_first_scanline;
-    int ring_buffer_length = stbir_info->ring_buffer_length_bytes/sizeof(float);
-
-    int n0,n1, output_row_start;
-    int coefficient_group = coefficient_width * contributor;
-
-    n0 = vertical_contributors[contributor].n0;
-    n1 = vertical_contributors[contributor].n1;
-
-    output_row_start = n * stbir_info->output_stride_bytes;
-
-    STBIR_ASSERT(stbir__use_height_upsampling(stbir_info));
-
-    memset(encode_buffer, 0, output_w * sizeof(float) * channels);
-
-    // I tried reblocking this for better cache usage of encode_buffer
-    // (using x_outer, k, x_inner), but it lost speed. -- stb
-
-    coefficient_counter = 0;
-    switch (channels) {
-        case 1:
-            for (k = n0; k <= n1; k++)
-            {
-                int coefficient_index = coefficient_counter++;
-                float* ring_buffer_entry = stbir__get_ring_buffer_scanline(k, ring_buffer, ring_buffer_begin_index, ring_buffer_first_scanline, ring_buffer_entries, ring_buffer_length);
-                float coefficient = vertical_coefficients[coefficient_group + coefficient_index];
-                for (x = 0; x < output_w; ++x)
-                {
-                    int in_pixel_index = x * 1;
-                    encode_buffer[in_pixel_index + 0] += ring_buffer_entry[in_pixel_index + 0] * coefficient;
-                }
-            }
-            break;
-        case 2:
-            for (k = n0; k <= n1; k++)
-            {
-                int coefficient_index = coefficient_counter++;
-                float* ring_buffer_entry = stbir__get_ring_buffer_scanline(k, ring_buffer, ring_buffer_begin_index, ring_buffer_first_scanline, ring_buffer_entries, ring_buffer_length);
-                float coefficient = vertical_coefficients[coefficient_group + coefficient_index];
-                for (x = 0; x < output_w; ++x)
-                {
-                    int in_pixel_index = x * 2;
-                    encode_buffer[in_pixel_index + 0] += ring_buffer_entry[in_pixel_index + 0] * coefficient;
-                    encode_buffer[in_pixel_index + 1] += ring_buffer_entry[in_pixel_index + 1] * coefficient;
-                }
-            }
-            break;
-        case 3:
-            for (k = n0; k <= n1; k++)
-            {
-                int coefficient_index = coefficient_counter++;
-                float* ring_buffer_entry = stbir__get_ring_buffer_scanline(k, ring_buffer, ring_buffer_begin_index, ring_buffer_first_scanline, ring_buffer_entries, ring_buffer_length);
-                float coefficient = vertical_coefficients[coefficient_group + coefficient_index];
-                for (x = 0; x < output_w; ++x)
-                {
-                    int in_pixel_index = x * 3;
-                    encode_buffer[in_pixel_index + 0] += ring_buffer_entry[in_pixel_index + 0] * coefficient;
-                    encode_buffer[in_pixel_index + 1] += ring_buffer_entry[in_pixel_index + 1] * coefficient;
-                    encode_buffer[in_pixel_index + 2] += ring_buffer_entry[in_pixel_index + 2] * coefficient;
-                }
-            }
-            break;
-        case 4:
-            for (k = n0; k <= n1; k++)
-            {
-                int coefficient_index = coefficient_counter++;
-                float* ring_buffer_entry = stbir__get_ring_buffer_scanline(k, ring_buffer, ring_buffer_begin_index, ring_buffer_first_scanline, ring_buffer_entries, ring_buffer_length);
-                float coefficient = vertical_coefficients[coefficient_group + coefficient_index];
-                for (x = 0; x < output_w; ++x)
-                {
-                    int in_pixel_index = x * 4;
-                    encode_buffer[in_pixel_index + 0] += ring_buffer_entry[in_pixel_index + 0] * coefficient;
-                    encode_buffer[in_pixel_index + 1] += ring_buffer_entry[in_pixel_index + 1] * coefficient;
-                    encode_buffer[in_pixel_index + 2] += ring_buffer_entry[in_pixel_index + 2] * coefficient;
-                    encode_buffer[in_pixel_index + 3] += ring_buffer_entry[in_pixel_index + 3] * coefficient;
-                }
-            }
-            break;
-        default:
-            for (k = n0; k <= n1; k++)
-            {
-                int coefficient_index = coefficient_counter++;
-                float* ring_buffer_entry = stbir__get_ring_buffer_scanline(k, ring_buffer, ring_buffer_begin_index, ring_buffer_first_scanline, ring_buffer_entries, ring_buffer_length);
-                float coefficient = vertical_coefficients[coefficient_group + coefficient_index];
-                for (x = 0; x < output_w; ++x)
-                {
-                    int in_pixel_index = x * channels;
-                    int c;
-                    for (c = 0; c < channels; c++)
-                        encode_buffer[in_pixel_index + c] += ring_buffer_entry[in_pixel_index + c] * coefficient;
-                }
-            }
-            break;
-    }
-    stbir__encode_scanline(stbir_info, output_w, (char *) output_data + output_row_start, encode_buffer, channels, alpha_channel, decode);
-}
-
-static void stbir__resample_vertical_downsample(stbir__info* stbir_info, int n)
-{
-    int x, k;
-    int output_w = stbir_info->output_w;
-    stbir__contributors* vertical_contributors = stbir_info->vertical_contributors;
-    float* vertical_coefficients = stbir_info->vertical_coefficients;
-    int channels = stbir_info->channels;
-    int ring_buffer_entries = stbir_info->ring_buffer_num_entries;
-    float* horizontal_buffer = stbir_info->horizontal_buffer;
-    int coefficient_width = stbir_info->vertical_coefficient_width;
-    int contributor = n + stbir_info->vertical_filter_pixel_margin;
-
-    float* ring_buffer = stbir_info->ring_buffer;
-    int ring_buffer_begin_index = stbir_info->ring_buffer_begin_index;
-    int ring_buffer_first_scanline = stbir_info->ring_buffer_first_scanline;
-    int ring_buffer_length = stbir_info->ring_buffer_length_bytes/sizeof(float);
-    int n0,n1;
-
-    n0 = vertical_contributors[contributor].n0;
-    n1 = vertical_contributors[contributor].n1;
-
-    STBIR_ASSERT(!stbir__use_height_upsampling(stbir_info));
-
-    for (k = n0; k <= n1; k++)
-    {
-        int coefficient_index = k - n0;
-        int coefficient_group = coefficient_width * contributor;
-        float coefficient = vertical_coefficients[coefficient_group + coefficient_index];
-
-        float* ring_buffer_entry = stbir__get_ring_buffer_scanline(k, ring_buffer, ring_buffer_begin_index, ring_buffer_first_scanline, ring_buffer_entries, ring_buffer_length);
-
-        switch (channels) {
-            case 1:
-                for (x = 0; x < output_w; x++)
-                {
-                    int in_pixel_index = x * 1;
-                    ring_buffer_entry[in_pixel_index + 0] += horizontal_buffer[in_pixel_index + 0] * coefficient;
-                }
-                break;
-            case 2:
-                for (x = 0; x < output_w; x++)
-                {
-                    int in_pixel_index = x * 2;
-                    ring_buffer_entry[in_pixel_index + 0] += horizontal_buffer[in_pixel_index + 0] * coefficient;
-                    ring_buffer_entry[in_pixel_index + 1] += horizontal_buffer[in_pixel_index + 1] * coefficient;
-                }
-                break;
-            case 3:
-                for (x = 0; x < output_w; x++)
-                {
-                    int in_pixel_index = x * 3;
-                    ring_buffer_entry[in_pixel_index + 0] += horizontal_buffer[in_pixel_index + 0] * coefficient;
-                    ring_buffer_entry[in_pixel_index + 1] += horizontal_buffer[in_pixel_index + 1] * coefficient;
-                    ring_buffer_entry[in_pixel_index + 2] += horizontal_buffer[in_pixel_index + 2] * coefficient;
-                }
-                break;
-            case 4:
-                for (x = 0; x < output_w; x++)
-                {
-                    int in_pixel_index = x * 4;
-                    ring_buffer_entry[in_pixel_index + 0] += horizontal_buffer[in_pixel_index + 0] * coefficient;
-                    ring_buffer_entry[in_pixel_index + 1] += horizontal_buffer[in_pixel_index + 1] * coefficient;
-                    ring_buffer_entry[in_pixel_index + 2] += horizontal_buffer[in_pixel_index + 2] * coefficient;
-                    ring_buffer_entry[in_pixel_index + 3] += horizontal_buffer[in_pixel_index + 3] * coefficient;
-                }
-                break;
-            default:
-                for (x = 0; x < output_w; x++)
-                {
-                    int in_pixel_index = x * channels;
-
-                    int c;
-                    for (c = 0; c < channels; c++)
-                        ring_buffer_entry[in_pixel_index + c] += horizontal_buffer[in_pixel_index + c] * coefficient;
-                }
-                break;
-        }
-    }
-}
-
-static void stbir__buffer_loop_upsample(stbir__info* stbir_info)
-{
-    int y;
-    float scale_ratio = stbir_info->vertical_scale;
-    float out_scanlines_radius = stbir__filter_info_table[stbir_info->vertical_filter].support(1/scale_ratio) * scale_ratio;
-
-    STBIR_ASSERT(stbir__use_height_upsampling(stbir_info));
-
-    for (y = 0; y < stbir_info->output_h; y++)
-    {
-        float in_center_of_out = 0; // Center of the current out scanline in the in scanline space
-        int in_first_scanline = 0, in_last_scanline = 0;
-
-        stbir__calculate_sample_range_upsample(y, out_scanlines_radius, scale_ratio, stbir_info->vertical_shift, &in_first_scanline, &in_last_scanline, &in_center_of_out);
-
-        STBIR_ASSERT(in_last_scanline - in_first_scanline + 1 <= stbir_info->ring_buffer_num_entries);
-
-        if (stbir_info->ring_buffer_begin_index >= 0)
-        {
-            // Get rid of whatever we don't need anymore.
-            while (in_first_scanline > stbir_info->ring_buffer_first_scanline)
-            {
-                if (stbir_info->ring_buffer_first_scanline == stbir_info->ring_buffer_last_scanline)
-                {
-                    // We just popped the last scanline off the ring buffer.
-                    // Reset it to the empty state.
-                    stbir_info->ring_buffer_begin_index = -1;
-                    stbir_info->ring_buffer_first_scanline = 0;
-                    stbir_info->ring_buffer_last_scanline = 0;
-                    break;
-                }
-                else
-                {
-                    stbir_info->ring_buffer_first_scanline++;
-                    stbir_info->ring_buffer_begin_index = (stbir_info->ring_buffer_begin_index + 1) % stbir_info->ring_buffer_num_entries;
-                }
-            }
-        }
-
-        // Load in new ones.
-        if (stbir_info->ring_buffer_begin_index < 0)
-            stbir__decode_and_resample_upsample(stbir_info, in_first_scanline);
-
-        while (in_last_scanline > stbir_info->ring_buffer_last_scanline)
-            stbir__decode_and_resample_upsample(stbir_info, stbir_info->ring_buffer_last_scanline + 1);
-
-        // Now all buffers should be ready to write a row of vertical sampling.
-        stbir__resample_vertical_upsample(stbir_info, y);
-
-        STBIR_PROGRESS_REPORT((float)y / stbir_info->output_h);
-    }
-}
-
-static void stbir__empty_ring_buffer(stbir__info* stbir_info, int first_necessary_scanline)
-{
-    int output_stride_bytes = stbir_info->output_stride_bytes;
-    int channels = stbir_info->channels;
-    int alpha_channel = stbir_info->alpha_channel;
-    int type = stbir_info->type;
-    int colorspace = stbir_info->colorspace;
-    int output_w = stbir_info->output_w;
-    void* output_data = stbir_info->output_data;
-    int decode = STBIR__DECODE(type, colorspace);
-
-    float* ring_buffer = stbir_info->ring_buffer;
-    int ring_buffer_length = stbir_info->ring_buffer_length_bytes/sizeof(float);
-
-    if (stbir_info->ring_buffer_begin_index >= 0)
-    {
-        // Get rid of whatever we don't need anymore.
-        while (first_necessary_scanline > stbir_info->ring_buffer_first_scanline)
-        {
-            if (stbir_info->ring_buffer_first_scanline >= 0 && stbir_info->ring_buffer_first_scanline < stbir_info->output_h)
-            {
-                int output_row_start = stbir_info->ring_buffer_first_scanline * output_stride_bytes;
-                float* ring_buffer_entry = stbir__get_ring_buffer_entry(ring_buffer, stbir_info->ring_buffer_begin_index, ring_buffer_length);
-                stbir__encode_scanline(stbir_info, output_w, (char *) output_data + output_row_start, ring_buffer_entry, channels, alpha_channel, decode);
-                STBIR_PROGRESS_REPORT((float)stbir_info->ring_buffer_first_scanline / stbir_info->output_h);
-            }
-
-            if (stbir_info->ring_buffer_first_scanline == stbir_info->ring_buffer_last_scanline)
-            {
-                // We just popped the last scanline off the ring buffer.
-                // Reset it to the empty state.
-                stbir_info->ring_buffer_begin_index = -1;
-                stbir_info->ring_buffer_first_scanline = 0;
-                stbir_info->ring_buffer_last_scanline = 0;
-                break;
-            }
-            else
-            {
-                stbir_info->ring_buffer_first_scanline++;
-                stbir_info->ring_buffer_begin_index = (stbir_info->ring_buffer_begin_index + 1) % stbir_info->ring_buffer_num_entries;
-            }
-        }
-    }
-}
-
-static void stbir__buffer_loop_downsample(stbir__info* stbir_info)
-{
-    int y;
-    float scale_ratio = stbir_info->vertical_scale;
-    int output_h = stbir_info->output_h;
-    float in_pixels_radius = stbir__filter_info_table[stbir_info->vertical_filter].support(scale_ratio) / scale_ratio;
-    int pixel_margin = stbir_info->vertical_filter_pixel_margin;
-    int max_y = stbir_info->input_h + pixel_margin;
-
-    STBIR_ASSERT(!stbir__use_height_upsampling(stbir_info));
-
-    for (y = -pixel_margin; y < max_y; y++)
-    {
-        float out_center_of_in; // Center of the current out scanline in the in scanline space
-        int out_first_scanline, out_last_scanline;
-
-        stbir__calculate_sample_range_downsample(y, in_pixels_radius, scale_ratio, stbir_info->vertical_shift, &out_first_scanline, &out_last_scanline, &out_center_of_in);
-
-        STBIR_ASSERT(out_last_scanline - out_first_scanline + 1 <= stbir_info->ring_buffer_num_entries);
-
-        if (out_last_scanline < 0 || out_first_scanline >= output_h)
-            continue;
-
-        stbir__empty_ring_buffer(stbir_info, out_first_scanline);
-
-        stbir__decode_and_resample_downsample(stbir_info, y);
-
-        // Load in new ones.
-        if (stbir_info->ring_buffer_begin_index < 0)
-            stbir__add_empty_ring_buffer_entry(stbir_info, out_first_scanline);
-
-        while (out_last_scanline > stbir_info->ring_buffer_last_scanline)
-            stbir__add_empty_ring_buffer_entry(stbir_info, stbir_info->ring_buffer_last_scanline + 1);
-
-        // Now the horizontal buffer is ready to write to all ring buffer rows.
-        stbir__resample_vertical_downsample(stbir_info, y);
-    }
-
-    stbir__empty_ring_buffer(stbir_info, stbir_info->output_h);
-}
-
-static void stbir__setup(stbir__info *info, int input_w, int input_h, int output_w, int output_h, int channels)
-{
-    info->input_w = input_w;
-    info->input_h = input_h;
-    info->output_w = output_w;
-    info->output_h = output_h;
-    info->channels = channels;
-}
-
-static void stbir__calculate_transform(stbir__info *info, float s0, float t0, float s1, float t1, float *transform)
-{
-    info->s0 = s0;
-    info->t0 = t0;
-    info->s1 = s1;
-    info->t1 = t1;
-
-    if (transform)
-    {
-        info->horizontal_scale = transform[0];
-        info->vertical_scale   = transform[1];
-        info->horizontal_shift = transform[2];
-        info->vertical_shift   = transform[3];
-    }
-    else
-    {
-        info->horizontal_scale = ((float)info->output_w / info->input_w) / (s1 - s0);
-        info->vertical_scale = ((float)info->output_h / info->input_h) / (t1 - t0);
-
-        info->horizontal_shift = s0 * info->output_w / (s1 - s0);
-        info->vertical_shift = t0 * info->output_h / (t1 - t0);
-    }
-}
-
-static void stbir__choose_filter(stbir__info *info, stbir_filter h_filter, stbir_filter v_filter)
-{
-    if (h_filter == 0)
-        h_filter = stbir__use_upsampling(info->horizontal_scale) ? STBIR_DEFAULT_FILTER_UPSAMPLE : STBIR_DEFAULT_FILTER_DOWNSAMPLE;
-    if (v_filter == 0)
-        v_filter = stbir__use_upsampling(info->vertical_scale)   ? STBIR_DEFAULT_FILTER_UPSAMPLE : STBIR_DEFAULT_FILTER_DOWNSAMPLE;
-    info->horizontal_filter = h_filter;
-    info->vertical_filter = v_filter;
-}
-
-static stbir_uint32 stbir__calculate_memory(stbir__info *info)
-{
-    int pixel_margin = stbir__get_filter_pixel_margin(info->horizontal_filter, info->horizontal_scale);
-    int filter_height = stbir__get_filter_pixel_width(info->vertical_filter, info->vertical_scale);
-
-    info->horizontal_num_contributors = stbir__get_contributors(info->horizontal_scale, info->horizontal_filter, info->input_w, info->output_w);
-    info->vertical_num_contributors   = stbir__get_contributors(info->vertical_scale  , info->vertical_filter  , info->input_h, info->output_h);
-
-    // One extra entry because floating point precision problems sometimes cause an extra to be necessary.
-    info->ring_buffer_num_entries = filter_height + 1;
-
-    info->horizontal_contributors_size = info->horizontal_num_contributors * sizeof(stbir__contributors);
-    info->horizontal_coefficients_size = stbir__get_total_horizontal_coefficients(info) * sizeof(float);
-    info->vertical_contributors_size = info->vertical_num_contributors * sizeof(stbir__contributors);
-    info->vertical_coefficients_size = stbir__get_total_vertical_coefficients(info) * sizeof(float);
-    info->decode_buffer_size = (info->input_w + pixel_margin * 2) * info->channels * sizeof(float);
-    info->horizontal_buffer_size = info->output_w * info->channels * sizeof(float);
-    info->ring_buffer_size = info->output_w * info->channels * info->ring_buffer_num_entries * sizeof(float);
-    info->encode_buffer_size = info->output_w * info->channels * sizeof(float);
-
-    STBIR_ASSERT(info->horizontal_filter != 0);
-    STBIR_ASSERT(info->horizontal_filter < STBIR__ARRAY_SIZE(stbir__filter_info_table)); // this now happens too late
-    STBIR_ASSERT(info->vertical_filter != 0);
-    STBIR_ASSERT(info->vertical_filter < STBIR__ARRAY_SIZE(stbir__filter_info_table)); // this now happens too late
-
-    if (stbir__use_height_upsampling(info))
-        // The horizontal buffer is for when we're downsampling the height and we
-        // can't output the result of sampling the decode buffer directly into the
-        // ring buffers.
-        info->horizontal_buffer_size = 0;
-    else
-        // The encode buffer is to retain precision in the height upsampling method
-        // and isn't used when height downsampling.
-        info->encode_buffer_size = 0;
-
-    return info->horizontal_contributors_size + info->horizontal_coefficients_size
-        + info->vertical_contributors_size + info->vertical_coefficients_size
-        + info->decode_buffer_size + info->horizontal_buffer_size
-        + info->ring_buffer_size + info->encode_buffer_size;
-}
-
-static int stbir__resize_allocated(stbir__info *info,
-    const void* input_data, int input_stride_in_bytes,
-    void* output_data, int output_stride_in_bytes,
-    int alpha_channel, stbir_uint32 flags, stbir_datatype type,
-    stbir_edge edge_horizontal, stbir_edge edge_vertical, stbir_colorspace colorspace,
-    void* tempmem, size_t tempmem_size_in_bytes)
-{
-    size_t memory_required = stbir__calculate_memory(info);
-
-    int width_stride_input = input_stride_in_bytes ? input_stride_in_bytes : info->channels * info->input_w * stbir__type_size[type];
-    int width_stride_output = output_stride_in_bytes ? output_stride_in_bytes : info->channels * info->output_w * stbir__type_size[type];
-
-#ifdef STBIR_DEBUG_OVERWRITE_TEST
-#define OVERWRITE_ARRAY_SIZE 8
-    unsigned char overwrite_output_before_pre[OVERWRITE_ARRAY_SIZE];
-    unsigned char overwrite_tempmem_before_pre[OVERWRITE_ARRAY_SIZE];
-    unsigned char overwrite_output_after_pre[OVERWRITE_ARRAY_SIZE];
-    unsigned char overwrite_tempmem_after_pre[OVERWRITE_ARRAY_SIZE];
-
-    size_t begin_forbidden = width_stride_output * (info->output_h - 1) + info->output_w * info->channels * stbir__type_size[type];
-    memcpy(overwrite_output_before_pre, &((unsigned char*)output_data)[-OVERWRITE_ARRAY_SIZE], OVERWRITE_ARRAY_SIZE);
-    memcpy(overwrite_output_after_pre, &((unsigned char*)output_data)[begin_forbidden], OVERWRITE_ARRAY_SIZE);
-    memcpy(overwrite_tempmem_before_pre, &((unsigned char*)tempmem)[-OVERWRITE_ARRAY_SIZE], OVERWRITE_ARRAY_SIZE);
-    memcpy(overwrite_tempmem_after_pre, &((unsigned char*)tempmem)[tempmem_size_in_bytes], OVERWRITE_ARRAY_SIZE);
-#endif
-
-    STBIR_ASSERT(info->channels >= 0);
-    STBIR_ASSERT(info->channels <= STBIR_MAX_CHANNELS);
-
-    if (info->channels < 0 || info->channels > STBIR_MAX_CHANNELS)
-        return 0;
-
-    STBIR_ASSERT(info->horizontal_filter < STBIR__ARRAY_SIZE(stbir__filter_info_table));
-    STBIR_ASSERT(info->vertical_filter < STBIR__ARRAY_SIZE(stbir__filter_info_table));
-
-    if (info->horizontal_filter >= STBIR__ARRAY_SIZE(stbir__filter_info_table))
-        return 0;
-    if (info->vertical_filter >= STBIR__ARRAY_SIZE(stbir__filter_info_table))
-        return 0;
-
-    if (alpha_channel < 0)
-        flags |= STBIR_FLAG_ALPHA_USES_COLORSPACE | STBIR_FLAG_ALPHA_PREMULTIPLIED;
-
-    if (!(flags&STBIR_FLAG_ALPHA_USES_COLORSPACE) || !(flags&STBIR_FLAG_ALPHA_PREMULTIPLIED)) {
-        STBIR_ASSERT(alpha_channel >= 0 && alpha_channel < info->channels);
-    }
-
-    if (alpha_channel >= info->channels)
-        return 0;
-
-    STBIR_ASSERT(tempmem);
-
-    if (!tempmem)
-        return 0;
-
-    STBIR_ASSERT(tempmem_size_in_bytes >= memory_required);
-
-    if (tempmem_size_in_bytes < memory_required)
-        return 0;
-
-    memset(tempmem, 0, tempmem_size_in_bytes);
-
-    info->input_data = input_data;
-    info->input_stride_bytes = width_stride_input;
-
-    info->output_data = output_data;
-    info->output_stride_bytes = width_stride_output;
-
-    info->alpha_channel = alpha_channel;
-    info->flags = flags;
-    info->type = type;
-    info->edge_horizontal = edge_horizontal;
-    info->edge_vertical = edge_vertical;
-    info->colorspace = colorspace;
-
-    info->horizontal_coefficient_width   = stbir__get_coefficient_width  (info->horizontal_filter, info->horizontal_scale);
-    info->vertical_coefficient_width     = stbir__get_coefficient_width  (info->vertical_filter  , info->vertical_scale  );
-    info->horizontal_filter_pixel_width  = stbir__get_filter_pixel_width (info->horizontal_filter, info->horizontal_scale);
-    info->vertical_filter_pixel_width    = stbir__get_filter_pixel_width (info->vertical_filter  , info->vertical_scale  );
-    info->horizontal_filter_pixel_margin = stbir__get_filter_pixel_margin(info->horizontal_filter, info->horizontal_scale);
-    info->vertical_filter_pixel_margin   = stbir__get_filter_pixel_margin(info->vertical_filter  , info->vertical_scale  );
-
-    info->ring_buffer_length_bytes = info->output_w * info->channels * sizeof(float);
-    info->decode_buffer_pixels = info->input_w + info->horizontal_filter_pixel_margin * 2;
-
-#define STBIR__NEXT_MEMPTR(current, newtype) (newtype*)(((unsigned char*)current) + current##_size)
-
-    info->horizontal_contributors = (stbir__contributors *) tempmem;
-    info->horizontal_coefficients = STBIR__NEXT_MEMPTR(info->horizontal_contributors, float);
-    info->vertical_contributors = STBIR__NEXT_MEMPTR(info->horizontal_coefficients, stbir__contributors);
-    info->vertical_coefficients = STBIR__NEXT_MEMPTR(info->vertical_contributors, float);
-    info->decode_buffer = STBIR__NEXT_MEMPTR(info->vertical_coefficients, float);
-
-    if (stbir__use_height_upsampling(info))
-    {
-        info->horizontal_buffer = NULL;
-        info->ring_buffer = STBIR__NEXT_MEMPTR(info->decode_buffer, float);
-        info->encode_buffer = STBIR__NEXT_MEMPTR(info->ring_buffer, float);
-
-        STBIR_ASSERT((size_t)STBIR__NEXT_MEMPTR(info->encode_buffer, unsigned char) == (size_t)tempmem + tempmem_size_in_bytes);
-    }
-    else
-    {
-        info->horizontal_buffer = STBIR__NEXT_MEMPTR(info->decode_buffer, float);
-        info->ring_buffer = STBIR__NEXT_MEMPTR(info->horizontal_buffer, float);
-        info->encode_buffer = NULL;
-
-        STBIR_ASSERT((size_t)STBIR__NEXT_MEMPTR(info->ring_buffer, unsigned char) == (size_t)tempmem + tempmem_size_in_bytes);
-    }
-
-#undef STBIR__NEXT_MEMPTR
-
-    // This signals that the ring buffer is empty
-    info->ring_buffer_begin_index = -1;
-
-    stbir__calculate_filters(info->horizontal_contributors, info->horizontal_coefficients, info->horizontal_filter, info->horizontal_scale, info->horizontal_shift, info->input_w, info->output_w);
-    stbir__calculate_filters(info->vertical_contributors, info->vertical_coefficients, info->vertical_filter, info->vertical_scale, info->vertical_shift, info->input_h, info->output_h);
-
-    STBIR_PROGRESS_REPORT(0);
-
-    if (stbir__use_height_upsampling(info))
-        stbir__buffer_loop_upsample(info);
-    else
-        stbir__buffer_loop_downsample(info);
-
-    STBIR_PROGRESS_REPORT(1);
-
-#ifdef STBIR_DEBUG_OVERWRITE_TEST
-    STBIR_ASSERT(memcmp(overwrite_output_before_pre, &((unsigned char*)output_data)[-OVERWRITE_ARRAY_SIZE], OVERWRITE_ARRAY_SIZE) == 0);
-    STBIR_ASSERT(memcmp(overwrite_output_after_pre, &((unsigned char*)output_data)[begin_forbidden], OVERWRITE_ARRAY_SIZE) == 0);
-    STBIR_ASSERT(memcmp(overwrite_tempmem_before_pre, &((unsigned char*)tempmem)[-OVERWRITE_ARRAY_SIZE], OVERWRITE_ARRAY_SIZE) == 0);
-    STBIR_ASSERT(memcmp(overwrite_tempmem_after_pre, &((unsigned char*)tempmem)[tempmem_size_in_bytes], OVERWRITE_ARRAY_SIZE) == 0);
-#endif
-
-    return 1;
-}
-
-
-static int stbir__resize_arbitrary(
-    void *alloc_context,
-    const void* input_data, int input_w, int input_h, int input_stride_in_bytes,
-    void* output_data, int output_w, int output_h, int output_stride_in_bytes,
-    float s0, float t0, float s1, float t1, float *transform,
-    int channels, int alpha_channel, stbir_uint32 flags, stbir_datatype type,
-    stbir_filter h_filter, stbir_filter v_filter,
-    stbir_edge edge_horizontal, stbir_edge edge_vertical, stbir_colorspace colorspace)
-{
-    stbir__info info;
-    int result;
-    size_t memory_required;
-    void* extra_memory;
-
-    stbir__setup(&info, input_w, input_h, output_w, output_h, channels);
-    stbir__calculate_transform(&info, s0,t0,s1,t1,transform);
-    stbir__choose_filter(&info, h_filter, v_filter);
-    memory_required = stbir__calculate_memory(&info);
-    extra_memory = STBIR_MALLOC(memory_required, alloc_context);
-
-    if (!extra_memory)
-        return 0;
-
-    result = stbir__resize_allocated(&info, input_data, input_stride_in_bytes,
-                                            output_data, output_stride_in_bytes,
-                                            alpha_channel, flags, type,
-                                            edge_horizontal, edge_vertical,
-                                            colorspace, extra_memory, memory_required);
-
-    STBIR_FREE(extra_memory, alloc_context);
-
-    return result;
-}
-
-STBIRDEF int stbir_resize_uint8(     const unsigned char *input_pixels , int input_w , int input_h , int input_stride_in_bytes,
-                                           unsigned char *output_pixels, int output_w, int output_h, int output_stride_in_bytes,
-                                     int num_channels)
-{
-    return stbir__resize_arbitrary(NULL, input_pixels, input_w, input_h, input_stride_in_bytes,
-        output_pixels, output_w, output_h, output_stride_in_bytes,
-        0,0,1,1,NULL,num_channels,-1,0, STBIR_TYPE_UINT8, STBIR_FILTER_DEFAULT, STBIR_FILTER_DEFAULT,
-        STBIR_EDGE_CLAMP, STBIR_EDGE_CLAMP, STBIR_COLORSPACE_LINEAR);
-}
-
-STBIRDEF int stbir_resize_float(     const float *input_pixels , int input_w , int input_h , int input_stride_in_bytes,
-                                           float *output_pixels, int output_w, int output_h, int output_stride_in_bytes,
-                                     int num_channels)
-{
-    return stbir__resize_arbitrary(NULL, input_pixels, input_w, input_h, input_stride_in_bytes,
-        output_pixels, output_w, output_h, output_stride_in_bytes,
-        0,0,1,1,NULL,num_channels,-1,0, STBIR_TYPE_FLOAT, STBIR_FILTER_DEFAULT, STBIR_FILTER_DEFAULT,
-        STBIR_EDGE_CLAMP, STBIR_EDGE_CLAMP, STBIR_COLORSPACE_LINEAR);
-}
-
-STBIRDEF int stbir_resize_uint8_srgb(const unsigned char *input_pixels , int input_w , int input_h , int input_stride_in_bytes,
-                                           unsigned char *output_pixels, int output_w, int output_h, int output_stride_in_bytes,
-                                     int num_channels, int alpha_channel, int flags)
-{
-    return stbir__resize_arbitrary(NULL, input_pixels, input_w, input_h, input_stride_in_bytes,
-        output_pixels, output_w, output_h, output_stride_in_bytes,
-        0,0,1,1,NULL,num_channels,alpha_channel,flags, STBIR_TYPE_UINT8, STBIR_FILTER_DEFAULT, STBIR_FILTER_DEFAULT,
-        STBIR_EDGE_CLAMP, STBIR_EDGE_CLAMP, STBIR_COLORSPACE_SRGB);
-}
-
-STBIRDEF int stbir_resize_uint8_srgb_edgemode(const unsigned char *input_pixels , int input_w , int input_h , int input_stride_in_bytes,
-                                                    unsigned char *output_pixels, int output_w, int output_h, int output_stride_in_bytes,
-                                              int num_channels, int alpha_channel, int flags,
-                                              stbir_edge edge_wrap_mode)
-{
-    return stbir__resize_arbitrary(NULL, input_pixels, input_w, input_h, input_stride_in_bytes,
-        output_pixels, output_w, output_h, output_stride_in_bytes,
-        0,0,1,1,NULL,num_channels,alpha_channel,flags, STBIR_TYPE_UINT8, STBIR_FILTER_DEFAULT, STBIR_FILTER_DEFAULT,
-        edge_wrap_mode, edge_wrap_mode, STBIR_COLORSPACE_SRGB);
-}
-
-STBIRDEF int stbir_resize_uint8_generic( const unsigned char *input_pixels , int input_w , int input_h , int input_stride_in_bytes,
-                                               unsigned char *output_pixels, int output_w, int output_h, int output_stride_in_bytes,
-                                         int num_channels, int alpha_channel, int flags,
-                                         stbir_edge edge_wrap_mode, stbir_filter filter, stbir_colorspace space,
-                                         void *alloc_context)
-{
-    return stbir__resize_arbitrary(alloc_context, input_pixels, input_w, input_h, input_stride_in_bytes,
-        output_pixels, output_w, output_h, output_stride_in_bytes,
-        0,0,1,1,NULL,num_channels,alpha_channel,flags, STBIR_TYPE_UINT8, filter, filter,
-        edge_wrap_mode, edge_wrap_mode, space);
-}
-
-STBIRDEF int stbir_resize_uint16_generic(const stbir_uint16 *input_pixels  , int input_w , int input_h , int input_stride_in_bytes,
-                                               stbir_uint16 *output_pixels , int output_w, int output_h, int output_stride_in_bytes,
-                                         int num_channels, int alpha_channel, int flags,
-                                         stbir_edge edge_wrap_mode, stbir_filter filter, stbir_colorspace space,
-                                         void *alloc_context)
-{
-    return stbir__resize_arbitrary(alloc_context, input_pixels, input_w, input_h, input_stride_in_bytes,
-        output_pixels, output_w, output_h, output_stride_in_bytes,
-        0,0,1,1,NULL,num_channels,alpha_channel,flags, STBIR_TYPE_UINT16, filter, filter,
-        edge_wrap_mode, edge_wrap_mode, space);
-}
-
-
-STBIRDEF int stbir_resize_float_generic( const float *input_pixels         , int input_w , int input_h , int input_stride_in_bytes,
-                                               float *output_pixels        , int output_w, int output_h, int output_stride_in_bytes,
-                                         int num_channels, int alpha_channel, int flags,
-                                         stbir_edge edge_wrap_mode, stbir_filter filter, stbir_colorspace space,
-                                         void *alloc_context)
-{
-    return stbir__resize_arbitrary(alloc_context, input_pixels, input_w, input_h, input_stride_in_bytes,
-        output_pixels, output_w, output_h, output_stride_in_bytes,
-        0,0,1,1,NULL,num_channels,alpha_channel,flags, STBIR_TYPE_FLOAT, filter, filter,
-        edge_wrap_mode, edge_wrap_mode, space);
-}
-
-
-STBIRDEF int stbir_resize(         const void *input_pixels , int input_w , int input_h , int input_stride_in_bytes,
-                                         void *output_pixels, int output_w, int output_h, int output_stride_in_bytes,
-                                   stbir_datatype datatype,
-                                   int num_channels, int alpha_channel, int flags,
-                                   stbir_edge edge_mode_horizontal, stbir_edge edge_mode_vertical,
-                                   stbir_filter filter_horizontal,  stbir_filter filter_vertical,
-                                   stbir_colorspace space, void *alloc_context)
-{
-    return stbir__resize_arbitrary(alloc_context, input_pixels, input_w, input_h, input_stride_in_bytes,
-        output_pixels, output_w, output_h, output_stride_in_bytes,
-        0,0,1,1,NULL,num_channels,alpha_channel,flags, datatype, filter_horizontal, filter_vertical,
-        edge_mode_horizontal, edge_mode_vertical, space);
-}
-
-
-STBIRDEF int stbir_resize_subpixel(const void *input_pixels , int input_w , int input_h , int input_stride_in_bytes,
-                                         void *output_pixels, int output_w, int output_h, int output_stride_in_bytes,
-                                   stbir_datatype datatype,
-                                   int num_channels, int alpha_channel, int flags,
-                                   stbir_edge edge_mode_horizontal, stbir_edge edge_mode_vertical,
-                                   stbir_filter filter_horizontal,  stbir_filter filter_vertical,
-                                   stbir_colorspace space, void *alloc_context,
-                                   float x_scale, float y_scale,
-                                   float x_offset, float y_offset)
-{
-    float transform[4];
-    transform[0] = x_scale;
-    transform[1] = y_scale;
-    transform[2] = x_offset;
-    transform[3] = y_offset;
-    return stbir__resize_arbitrary(alloc_context, input_pixels, input_w, input_h, input_stride_in_bytes,
-        output_pixels, output_w, output_h, output_stride_in_bytes,
-        0,0,1,1,transform,num_channels,alpha_channel,flags, datatype, filter_horizontal, filter_vertical,
-        edge_mode_horizontal, edge_mode_vertical, space);
-}
-
-STBIRDEF int stbir_resize_region(  const void *input_pixels , int input_w , int input_h , int input_stride_in_bytes,
-                                         void *output_pixels, int output_w, int output_h, int output_stride_in_bytes,
-                                   stbir_datatype datatype,
-                                   int num_channels, int alpha_channel, int flags,
-                                   stbir_edge edge_mode_horizontal, stbir_edge edge_mode_vertical,
-                                   stbir_filter filter_horizontal,  stbir_filter filter_vertical,
-                                   stbir_colorspace space, void *alloc_context,
-                                   float s0, float t0, float s1, float t1)
-{
-    return stbir__resize_arbitrary(alloc_context, input_pixels, input_w, input_h, input_stride_in_bytes,
-        output_pixels, output_w, output_h, output_stride_in_bytes,
-        s0,t0,s1,t1,NULL,num_channels,alpha_channel,flags, datatype, filter_horizontal, filter_vertical,
-        edge_mode_horizontal, edge_mode_vertical, space);
-}
-
-#endif // STB_IMAGE_RESIZE_IMPLEMENTATION
-
 /*
 ------------------------------------------------------------------------------
 This software is available under 2 licenses -- choose whichever you prefer.