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-rw-r--r--external/include/glm/gtc/ulp.inl136
1 files changed, 77 insertions, 59 deletions
diff --git a/external/include/glm/gtc/ulp.inl b/external/include/glm/gtc/ulp.inl
index 54c914a..620be36 100644
--- a/external/include/glm/gtc/ulp.inl
+++ b/external/include/glm/gtc/ulp.inl
@@ -9,6 +9,7 @@
/// is preserved.
#include "../detail/type_int.hpp"
+#include "epsilon.hpp"
#include <cmath>
#include <cfloat>
#include <limits>
@@ -78,33 +79,42 @@ namespace detail
ix = hx&0x7fffffff; // |x|
iy = hy&0x7fffffff; // |y|
- if((ix>0x7f800000) || // x is nan
- (iy>0x7f800000)) // y is nan
+ if((ix>0x7f800000) || // x is nan
+ (iy>0x7f800000)) // y is nan
return x+y;
- if(x==y) return y; // x=y, return y
- if(ix==0) { // x == 0
+ if(compute_equal<float>::call(x, y))
+ return y; // x=y, return y
+ if(ix==0)
+ { // x == 0
GLM_SET_FLOAT_WORD(x,(hy&0x80000000)|1);// return +-minsubnormal
t = x*x;
- if(t==x) return t; else return x; // raise underflow flag
+ if(detail::compute_equal<float>::call(t, x))
+ return t;
+ else
+ return x; // raise underflow flag
}
- if(hx>=0) { // x > 0
- if(hx>hy) { // x > y, x -= ulp
+ if(hx>=0)
+ { // x > 0
+ if(hx>hy) // x > y, x -= ulp
hx -= 1;
- } else { // x < y, x += ulp
+ else // x < y, x += ulp
hx += 1;
- }
- } else { // x < 0
- if(hy>=0||hx>hy){ // x < y, x -= ulp
+ }
+ else
+ { // x < 0
+ if(hy>=0||hx>hy) // x < y, x -= ulp
hx -= 1;
- } else { // x > y, x += ulp
+ else // x > y, x += ulp
hx += 1;
- }
}
hy = hx&0x7f800000;
- if(hy>=0x7f800000) return x+x; // overflow
- if(hy<0x00800000) { // underflow
+ if(hy>=0x7f800000)
+ return x+x; // overflow
+ if(hy<0x00800000) // underflow
+ {
t = x*x;
- if(t!=x) { // raise underflow flag
+ if(!detail::compute_equal<float>::call(t, x))
+ { // raise underflow flag
GLM_SET_FLOAT_WORD(y,hx);
return y;
}
@@ -121,27 +131,32 @@ namespace detail
GLM_EXTRACT_WORDS(hx, lx, x);
GLM_EXTRACT_WORDS(hy, ly, y);
- ix = hx & 0x7fffffff; // |x|
- iy = hy & 0x7fffffff; // |y|
+ ix = hx & 0x7fffffff; // |x|
+ iy = hy & 0x7fffffff; // |y|
- if(((ix>=0x7ff00000)&&((ix-0x7ff00000)|lx)!=0) || // x is nan
- ((iy>=0x7ff00000)&&((iy-0x7ff00000)|ly)!=0)) // y is nan
+ if(((ix>=0x7ff00000)&&((ix-0x7ff00000)|lx)!=0) || // x is nan
+ ((iy>=0x7ff00000)&&((iy-0x7ff00000)|ly)!=0)) // y is nan
return x+y;
- if(x==y) return y; // x=y, return y
- if((ix|lx)==0) { // x == 0
- GLM_INSERT_WORDS(x, hy & 0x80000000, 1); // return +-minsubnormal
+ if(detail::compute_equal<double>::call(x, y))
+ return y; // x=y, return y
+ if((ix|lx)==0)
+ { // x == 0
+ GLM_INSERT_WORDS(x, hy & 0x80000000, 1); // return +-minsubnormal
t = x*x;
- if(t==x) return t; else return x; // raise underflow flag
+ if(detail::compute_equal<double>::call(t, x))
+ return t;
+ else
+ return x; // raise underflow flag
}
- if(hx>=0) { // x > 0
- if(hx>hy||((hx==hy)&&(lx>ly))) { // x > y, x -= ulp
+ if(hx>=0) { // x > 0
+ if(hx>hy||((hx==hy)&&(lx>ly))) { // x > y, x -= ulp
if(lx==0) hx -= 1;
lx -= 1;
} else { // x < y, x += ulp
lx += 1;
if(lx==0) hx += 1;
}
- } else { // x < 0
+ } else { // x < 0
if(hy>=0||hx>hy||((hx==hy)&&(lx>ly))){// x < y, x -= ulp
if(lx==0) hx -= 1;
lx -= 1;
@@ -151,10 +166,13 @@ namespace detail
}
}
hy = hx&0x7ff00000;
- if(hy>=0x7ff00000) return x+x; // overflow
- if(hy<0x00100000) { // underflow
+ if(hy>=0x7ff00000)
+ return x+x; // overflow
+ if(hy<0x00100000)
+ { // underflow
t = x*x;
- if(t!=x) { // raise underflow flag
+ if(!detail::compute_equal<double>::call(t, x))
+ { // raise underflow flag
GLM_INSERT_WORDS(y,hx,lx);
return y;
}
@@ -171,8 +189,8 @@ namespace detail
namespace glm
{
- template <>
- GLM_FUNC_QUALIFIER float next_float(float const & x)
+ template<>
+ GLM_FUNC_QUALIFIER float next_float(float const& x)
{
# if GLM_HAS_CXX11_STL
return std::nextafter(x, std::numeric_limits<float>::max());
@@ -185,8 +203,8 @@ namespace glm
# endif
}
- template <>
- GLM_FUNC_QUALIFIER double next_float(double const & x)
+ template<>
+ GLM_FUNC_QUALIFIER double next_float(double const& x)
{
# if GLM_HAS_CXX11_STL
return std::nextafter(x, std::numeric_limits<double>::max());
@@ -199,16 +217,16 @@ namespace glm
# endif
}
- template<typename T, precision P, template<typename, precision> class vecType>
- GLM_FUNC_QUALIFIER vecType<T, P> next_float(vecType<T, P> const & x)
+ template<length_t L, typename T, qualifier Q>
+ GLM_FUNC_QUALIFIER vec<L, T, Q> next_float(vec<L, T, Q> const& x)
{
- vecType<T, P> Result(uninitialize);
+ vec<L, T, Q> Result;
for(length_t i = 0, n = Result.length(); i < n; ++i)
Result[i] = next_float(x[i]);
return Result;
}
- GLM_FUNC_QUALIFIER float prev_float(float const & x)
+ GLM_FUNC_QUALIFIER float prev_float(float const& x)
{
# if GLM_HAS_CXX11_STL
return std::nextafter(x, std::numeric_limits<float>::min());
@@ -221,7 +239,7 @@ namespace glm
# endif
}
- GLM_FUNC_QUALIFIER double prev_float(double const & x)
+ GLM_FUNC_QUALIFIER double prev_float(double const& x)
{
# if GLM_HAS_CXX11_STL
return std::nextafter(x, std::numeric_limits<double>::min());
@@ -234,17 +252,17 @@ namespace glm
# endif
}
- template<typename T, precision P, template<typename, precision> class vecType>
- GLM_FUNC_QUALIFIER vecType<T, P> prev_float(vecType<T, P> const & x)
+ template<length_t L, typename T, qualifier Q>
+ GLM_FUNC_QUALIFIER vec<L, T, Q> prev_float(vec<L, T, Q> const& x)
{
- vecType<T, P> Result(uninitialize);
+ vec<L, T, Q> Result;
for(length_t i = 0, n = Result.length(); i < n; ++i)
Result[i] = prev_float(x[i]);
return Result;
}
- template <typename T>
- GLM_FUNC_QUALIFIER T next_float(T const & x, uint const & ulps)
+ template<typename T>
+ GLM_FUNC_QUALIFIER T next_float(T const& x, uint const& ulps)
{
T temp = x;
for(uint i = 0; i < ulps; ++i)
@@ -252,17 +270,17 @@ namespace glm
return temp;
}
- template<typename T, precision P, template<typename, precision> class vecType>
- GLM_FUNC_QUALIFIER vecType<T, P> next_float(vecType<T, P> const & x, vecType<uint, P> const & ulps)
+ template<length_t L, typename T, qualifier Q>
+ GLM_FUNC_QUALIFIER vec<L, T, Q> next_float(vec<L, T, Q> const& x, vec<L, uint, Q> const& ulps)
{
- vecType<T, P> Result(uninitialize);
+ vec<L, T, Q> Result;
for(length_t i = 0, n = Result.length(); i < n; ++i)
Result[i] = next_float(x[i], ulps[i]);
return Result;
}
- template <typename T>
- GLM_FUNC_QUALIFIER T prev_float(T const & x, uint const & ulps)
+ template<typename T>
+ GLM_FUNC_QUALIFIER T prev_float(T const& x, uint const& ulps)
{
T temp = x;
for(uint i = 0; i < ulps; ++i)
@@ -270,24 +288,24 @@ namespace glm
return temp;
}
- template<typename T, precision P, template<typename, precision> class vecType>
- GLM_FUNC_QUALIFIER vecType<T, P> prev_float(vecType<T, P> const & x, vecType<uint, P> const & ulps)
+ template<length_t L, typename T, qualifier Q>
+ GLM_FUNC_QUALIFIER vec<L, T, Q> prev_float(vec<L, T, Q> const& x, vec<L, uint, Q> const& ulps)
{
- vecType<T, P> Result(uninitialize);
+ vec<L, T, Q> Result;
for(length_t i = 0, n = Result.length(); i < n; ++i)
Result[i] = prev_float(x[i], ulps[i]);
return Result;
}
- template <typename T>
- GLM_FUNC_QUALIFIER uint float_distance(T const & x, T const & y)
+ template<typename T>
+ GLM_FUNC_QUALIFIER uint float_distance(T const& x, T const& y)
{
uint ulp = 0;
if(x < y)
{
T temp = x;
- while(temp != y)// && ulp < std::numeric_limits<std::size_t>::max())
+ while(glm::epsilonNotEqual(temp, y, glm::epsilon<T>()))// && ulp < std::numeric_limits<std::size_t>::max())
{
++ulp;
temp = next_float(temp);
@@ -296,7 +314,7 @@ namespace glm
else if(y < x)
{
T temp = y;
- while(temp != x)// && ulp < std::numeric_limits<std::size_t>::max())
+ while(glm::epsilonNotEqual(temp, x, glm::epsilon<T>()))// && ulp < std::numeric_limits<std::size_t>::max())
{
++ulp;
temp = next_float(temp);
@@ -310,10 +328,10 @@ namespace glm
return ulp;
}
- template<typename T, precision P, template<typename, precision> class vecType>
- GLM_FUNC_QUALIFIER vecType<uint, P> float_distance(vecType<T, P> const & x, vecType<T, P> const & y)
+ template<length_t L, typename T, qualifier Q>
+ GLM_FUNC_QUALIFIER vec<L, uint, Q> float_distance(vec<L, T, Q> const& x, vec<L, T, Q> const& y)
{
- vecType<uint, P> Result(uninitialize);
+ vec<L, uint, Q> Result;
for(length_t i = 0, n = Result.length(); i < n; ++i)
Result[i] = float_distance(x[i], y[i]);
return Result;
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-10 02:41:30 +0100