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diff --git a/external/include/glm/gtx/component_wise.inl b/external/include/glm/gtx/component_wise.inl
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+/// @ref gtx_component_wise
+/// @file glm/gtx/component_wise.inl
+
+#include <limits>
+
+namespace glm{
+namespace detail
+{
+ template <typename T, typename floatType, precision P, template <typename, precision> class vecType, bool isInteger, bool signedType>
+ struct compute_compNormalize
+ {};
+
+ template <typename T, typename floatType, precision P, template <typename, precision> class vecType>
+ struct compute_compNormalize<T, floatType, P, vecType, true, true>
+ {
+ GLM_FUNC_QUALIFIER static vecType<floatType, P> call(vecType<T, P> const & v)
+ {
+ floatType const Min = static_cast<floatType>(std::numeric_limits<T>::min());
+ floatType const Max = static_cast<floatType>(std::numeric_limits<T>::max());
+ return (vecType<floatType, P>(v) - Min) / (Max - Min) * static_cast<floatType>(2) - static_cast<floatType>(1);
+ }
+ };
+
+ template <typename T, typename floatType, precision P, template <typename, precision> class vecType>
+ struct compute_compNormalize<T, floatType, P, vecType, true, false>
+ {
+ GLM_FUNC_QUALIFIER static vecType<floatType, P> call(vecType<T, P> const & v)
+ {
+ return vecType<floatType, P>(v) / static_cast<floatType>(std::numeric_limits<T>::max());
+ }
+ };
+
+ template <typename T, typename floatType, precision P, template <typename, precision> class vecType>
+ struct compute_compNormalize<T, floatType, P, vecType, false, true>
+ {
+ GLM_FUNC_QUALIFIER static vecType<floatType, P> call(vecType<T, P> const & v)
+ {
+ return v;
+ }
+ };
+
+ template <typename T, typename floatType, precision P, template <typename, precision> class vecType, bool isInteger, bool signedType>
+ struct compute_compScale
+ {};
+
+ template <typename T, typename floatType, precision P, template <typename, precision> class vecType>
+ struct compute_compScale<T, floatType, P, vecType, true, true>
+ {
+ GLM_FUNC_QUALIFIER static vecType<T, P> call(vecType<floatType, P> const & v)
+ {
+ floatType const Max = static_cast<floatType>(std::numeric_limits<T>::max()) + static_cast<floatType>(0.5);
+ vecType<floatType, P> const Scaled(v * Max);
+ vecType<T, P> const Result(Scaled - static_cast<floatType>(0.5));
+ return Result;
+ }
+ };
+
+ template <typename T, typename floatType, precision P, template <typename, precision> class vecType>
+ struct compute_compScale<T, floatType, P, vecType, true, false>
+ {
+ GLM_FUNC_QUALIFIER static vecType<T, P> call(vecType<floatType, P> const & v)
+ {
+ return vecType<T, P>(vecType<floatType, P>(v) * static_cast<floatType>(std::numeric_limits<T>::max()));
+ }
+ };
+
+ template <typename T, typename floatType, precision P, template <typename, precision> class vecType>
+ struct compute_compScale<T, floatType, P, vecType, false, true>
+ {
+ GLM_FUNC_QUALIFIER static vecType<T, P> call(vecType<floatType, P> const & v)
+ {
+ return v;
+ }
+ };
+}//namespace detail
+
+ template <typename floatType, typename T, precision P, template <typename, precision> class vecType>
+ GLM_FUNC_QUALIFIER vecType<floatType, P> compNormalize(vecType<T, P> const & v)
+ {
+ GLM_STATIC_ASSERT(std::numeric_limits<floatType>::is_iec559, "'compNormalize' accepts only floating-point types for 'floatType' template parameter");
+
+ return detail::compute_compNormalize<T, floatType, P, vecType, std::numeric_limits<T>::is_integer, std::numeric_limits<T>::is_signed>::call(v);
+ }
+
+ template <typename T, typename floatType, precision P, template <typename, precision> class vecType>
+ GLM_FUNC_QUALIFIER vecType<T, P> compScale(vecType<floatType, P> const & v)
+ {
+ GLM_STATIC_ASSERT(std::numeric_limits<floatType>::is_iec559, "'compScale' accepts only floating-point types for 'floatType' template parameter");
+
+ return detail::compute_compScale<T, floatType, P, vecType, std::numeric_limits<T>::is_integer, std::numeric_limits<T>::is_signed>::call(v);
+ }
+
+ template <typename T, precision P, template <typename, precision> class vecType>
+ GLM_FUNC_QUALIFIER T compAdd(vecType<T, P> const & v)
+ {
+ T Result(0);
+ for(length_t i = 0, n = v.length(); i < n; ++i)
+ Result += v[i];
+ return Result;
+ }
+
+ template <typename T, precision P, template <typename, precision> class vecType>
+ GLM_FUNC_QUALIFIER T compMul(vecType<T, P> const & v)
+ {
+ T Result(1);
+ for(length_t i = 0, n = v.length(); i < n; ++i)
+ Result *= v[i];
+ return Result;
+ }
+
+ template <typename T, precision P, template <typename, precision> class vecType>
+ GLM_FUNC_QUALIFIER T compMin(vecType<T, P> const & v)
+ {
+ T Result(v[0]);
+ for(length_t i = 1, n = v.length(); i < n; ++i)
+ Result = min(Result, v[i]);
+ return Result;
+ }
+
+ template <typename T, precision P, template <typename, precision> class vecType>
+ GLM_FUNC_QUALIFIER T compMax(vecType<T, P> const & v)
+ {
+ T Result(v[0]);
+ for(length_t i = 1, n = v.length(); i < n; ++i)
+ Result = max(Result, v[i]);
+ return Result;
+ }
+}//namespace glm