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Diffstat (limited to 'external/include/glm/gtx/norm.inl')
-rw-r--r-- | external/include/glm/gtx/norm.inl | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/external/include/glm/gtx/norm.inl b/external/include/glm/gtx/norm.inl new file mode 100644 index 0000000..20954ec --- /dev/null +++ b/external/include/glm/gtx/norm.inl @@ -0,0 +1,106 @@ +/// @ref gtx_norm +/// @file glm/gtx/norm.inl + +#include "../detail/precision.hpp" + +namespace glm{ +namespace detail +{ + template <template <typename, precision> class vecType, typename T, precision P, bool Aligned> + struct compute_length2 + { + GLM_FUNC_QUALIFIER static T call(vecType<T, P> const & v) + { + return dot(v, v); + } + }; +}//namespace detail + + template <typename genType> + GLM_FUNC_QUALIFIER genType length2(genType x) + { + GLM_STATIC_ASSERT(std::numeric_limits<genType>::is_iec559, "'length2' accepts only floating-point inputs"); + return x * x; + } + + template <typename T, precision P, template <typename, precision> class vecType> + GLM_FUNC_QUALIFIER T length2(vecType<T, P> const & v) + { + GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559, "'length2' accepts only floating-point inputs"); + return detail::compute_length2<vecType, T, P, detail::is_aligned<P>::value>::call(v); + } + + template <typename T> + GLM_FUNC_QUALIFIER T distance2(T p0, T p1) + { + GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559, "'distance2' accepts only floating-point inputs"); + return length2(p1 - p0); + } + + template <typename T, precision P, template <typename, precision> class vecType> + GLM_FUNC_QUALIFIER T distance2(vecType<T, P> const & p0, vecType<T, P> const & p1) + { + GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559, "'distance2' accepts only floating-point inputs"); + return length2(p1 - p0); + } + + template <typename T, precision P> + GLM_FUNC_QUALIFIER T l1Norm + ( + tvec3<T, P> const & a, + tvec3<T, P> const & b + ) + { + return abs(b.x - a.x) + abs(b.y - a.y) + abs(b.z - a.z); + } + + template <typename T, precision P> + GLM_FUNC_QUALIFIER T l1Norm + ( + tvec3<T, P> const & v + ) + { + return abs(v.x) + abs(v.y) + abs(v.z); + } + + template <typename T, precision P> + GLM_FUNC_QUALIFIER T l2Norm + ( + tvec3<T, P> const & a, + tvec3<T, P> const & b + ) + { + return length(b - a); + } + + template <typename T, precision P> + GLM_FUNC_QUALIFIER T l2Norm + ( + tvec3<T, P> const & v + ) + { + return length(v); + } + + template <typename T, precision P> + GLM_FUNC_QUALIFIER T lxNorm + ( + tvec3<T, P> const & x, + tvec3<T, P> const & y, + unsigned int Depth + ) + { + return pow(pow(y.x - x.x, T(Depth)) + pow(y.y - x.y, T(Depth)) + pow(y.z - x.z, T(Depth)), T(1) / T(Depth)); + } + + template <typename T, precision P> + GLM_FUNC_QUALIFIER T lxNorm + ( + tvec3<T, P> const & v, + unsigned int Depth + ) + { + return pow(pow(v.x, T(Depth)) + pow(v.y, T(Depth)) + pow(v.z, T(Depth)), T(1) / T(Depth)); + } + +}//namespace glm |