/usr/include/glm/detail/_noise.hpp is in libglm-dev 0.9.8.3-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 | /// @ref core
/// @file glm/detail/_noise.hpp
#pragma once
#include "../vec2.hpp"
#include "../vec3.hpp"
#include "../vec4.hpp"
#include "../common.hpp"
namespace glm{
namespace detail
{
template <typename T>
GLM_FUNC_QUALIFIER T mod289(T const & x)
{
return x - floor(x * static_cast<T>(1.0) / static_cast<T>(289.0)) * static_cast<T>(289.0);
}
template <typename T>
GLM_FUNC_QUALIFIER T permute(T const & x)
{
return mod289(((x * static_cast<T>(34)) + static_cast<T>(1)) * x);
}
template <typename T, precision P>
GLM_FUNC_QUALIFIER tvec2<T, P> permute(tvec2<T, P> const & x)
{
return mod289(((x * static_cast<T>(34)) + static_cast<T>(1)) * x);
}
template <typename T, precision P>
GLM_FUNC_QUALIFIER tvec3<T, P> permute(tvec3<T, P> const & x)
{
return mod289(((x * static_cast<T>(34)) + static_cast<T>(1)) * x);
}
template <typename T, precision P>
GLM_FUNC_QUALIFIER tvec4<T, P> permute(tvec4<T, P> const & x)
{
return mod289(((x * static_cast<T>(34)) + static_cast<T>(1)) * x);
}
/*
template <typename T, precision P, template<typename> class vecType>
GLM_FUNC_QUALIFIER vecType<T, P> permute(vecType<T, P> const & x)
{
return mod289(((x * T(34)) + T(1)) * x);
}
*/
template <typename T>
GLM_FUNC_QUALIFIER T taylorInvSqrt(T const & r)
{
return T(1.79284291400159) - T(0.85373472095314) * r;
}
template <typename T, precision P>
GLM_FUNC_QUALIFIER tvec2<T, P> taylorInvSqrt(tvec2<T, P> const & r)
{
return T(1.79284291400159) - T(0.85373472095314) * r;
}
template <typename T, precision P>
GLM_FUNC_QUALIFIER tvec3<T, P> taylorInvSqrt(tvec3<T, P> const & r)
{
return T(1.79284291400159) - T(0.85373472095314) * r;
}
template <typename T, precision P>
GLM_FUNC_QUALIFIER tvec4<T, P> taylorInvSqrt(tvec4<T, P> const & r)
{
return T(1.79284291400159) - T(0.85373472095314) * r;
}
/*
template <typename T, precision P, template<typename> class vecType>
GLM_FUNC_QUALIFIER vecType<T, P> taylorInvSqrt(vecType<T, P> const & r)
{
return T(1.79284291400159) - T(0.85373472095314) * r;
}
*/
template <typename T, precision P>
GLM_FUNC_QUALIFIER tvec2<T, P> fade(tvec2<T, P> const & t)
{
return (t * t * t) * (t * (t * T(6) - T(15)) + T(10));
}
template <typename T, precision P>
GLM_FUNC_QUALIFIER tvec3<T, P> fade(tvec3<T, P> const & t)
{
return (t * t * t) * (t * (t * T(6) - T(15)) + T(10));
}
template <typename T, precision P>
GLM_FUNC_QUALIFIER tvec4<T, P> fade(tvec4<T, P> const & t)
{
return (t * t * t) * (t * (t * T(6) - T(15)) + T(10));
}
/*
template <typename T, precision P, template <typename> class vecType>
GLM_FUNC_QUALIFIER vecType<T, P> fade(vecType<T, P> const & t)
{
return (t * t * t) * (t * (t * T(6) - T(15)) + T(10));
}
*/
}//namespace detail
}//namespace glm
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