/usr/include/glm/detail/_noise.hpp is in libglm-dev 0.9.9~a2-2.
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 | /// @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, qualifier Q>
GLM_FUNC_QUALIFIER vec<2, T, Q> permute(vec<2, T, Q> const& x)
{
return mod289(((x * static_cast<T>(34)) + static_cast<T>(1)) * x);
}
template<typename T, qualifier Q>
GLM_FUNC_QUALIFIER vec<3, T, Q> permute(vec<3, T, Q> const& x)
{
return mod289(((x * static_cast<T>(34)) + static_cast<T>(1)) * x);
}
template<typename T, qualifier Q>
GLM_FUNC_QUALIFIER vec<4, T, Q> permute(vec<4, T, Q> const& x)
{
return mod289(((x * static_cast<T>(34)) + static_cast<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, qualifier Q>
GLM_FUNC_QUALIFIER vec<2, T, Q> taylorInvSqrt(vec<2, T, Q> const& r)
{
return T(1.79284291400159) - T(0.85373472095314) * r;
}
template<typename T, qualifier Q>
GLM_FUNC_QUALIFIER vec<3, T, Q> taylorInvSqrt(vec<3, T, Q> const& r)
{
return T(1.79284291400159) - T(0.85373472095314) * r;
}
template<typename T, qualifier Q>
GLM_FUNC_QUALIFIER vec<4, T, Q> taylorInvSqrt(vec<4, T, Q> const& r)
{
return T(1.79284291400159) - T(0.85373472095314) * r;
}
template<typename T, qualifier Q>
GLM_FUNC_QUALIFIER vec<2, T, Q> fade(vec<2, T, Q> const& t)
{
return (t * t * t) * (t * (t * T(6) - T(15)) + T(10));
}
template<typename T, qualifier Q>
GLM_FUNC_QUALIFIER vec<3, T, Q> fade(vec<3, T, Q> const& t)
{
return (t * t * t) * (t * (t * T(6) - T(15)) + T(10));
}
template<typename T, qualifier Q>
GLM_FUNC_QUALIFIER vec<4, T, Q> fade(vec<4, T, Q> const& t)
{
return (t * t * t) * (t * (t * T(6) - T(15)) + T(10));
}
}//namespace detail
}//namespace glm
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