/usr/include/glm/gtx/quaternion.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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 | /// @ref gtx_quaternion
/// @file glm/gtx/quaternion.hpp
///
/// @see core (dependence)
/// @see gtx_extented_min_max (dependence)
///
/// @defgroup gtx_quaternion GLM_GTX_quaternion
/// @ingroup gtx
///
/// @brief Extented quaternion types and functions
///
/// <glm/gtx/quaternion.hpp> need to be included to use these functionalities.
#pragma once
// Dependency:
#include "../glm.hpp"
#include "../gtc/constants.hpp"
#include "../gtc/quaternion.hpp"
#include "../gtx/norm.hpp"
#if GLM_MESSAGES == GLM_MESSAGES_ENABLED && !defined(GLM_EXT_INCLUDED)
# pragma message("GLM: GLM_GTX_quaternion extension included")
#endif
namespace glm
{
/// @addtogroup gtx_quaternion
/// @{
/// Compute a cross product between a quaternion and a vector.
///
/// @see gtx_quaternion
template<typename T, precision P>
GLM_FUNC_DECL tvec3<T, P> cross(
tquat<T, P> const & q,
tvec3<T, P> const & v);
//! Compute a cross product between a vector and a quaternion.
///
/// @see gtx_quaternion
template<typename T, precision P>
GLM_FUNC_DECL tvec3<T, P> cross(
tvec3<T, P> const & v,
tquat<T, P> const & q);
//! Compute a point on a path according squad equation.
//! q1 and q2 are control points; s1 and s2 are intermediate control points.
///
/// @see gtx_quaternion
template<typename T, precision P>
GLM_FUNC_DECL tquat<T, P> squad(
tquat<T, P> const & q1,
tquat<T, P> const & q2,
tquat<T, P> const & s1,
tquat<T, P> const & s2,
T const & h);
//! Returns an intermediate control point for squad interpolation.
///
/// @see gtx_quaternion
template<typename T, precision P>
GLM_FUNC_DECL tquat<T, P> intermediate(
tquat<T, P> const & prev,
tquat<T, P> const & curr,
tquat<T, P> const & next);
//! Returns a exp of a quaternion.
///
/// @see gtx_quaternion
template<typename T, precision P>
GLM_FUNC_DECL tquat<T, P> exp(
tquat<T, P> const & q);
//! Returns a log of a quaternion.
///
/// @see gtx_quaternion
template<typename T, precision P>
GLM_FUNC_DECL tquat<T, P> log(
tquat<T, P> const & q);
/// Returns x raised to the y power.
///
/// @see gtx_quaternion
template<typename T, precision P>
GLM_FUNC_DECL tquat<T, P> pow(
tquat<T, P> const & x,
T const & y);
//! Returns quarternion square root.
///
/// @see gtx_quaternion
//template<typename T, precision P>
//tquat<T, P> sqrt(
// tquat<T, P> const & q);
//! Rotates a 3 components vector by a quaternion.
///
/// @see gtx_quaternion
template<typename T, precision P>
GLM_FUNC_DECL tvec3<T, P> rotate(
tquat<T, P> const & q,
tvec3<T, P> const & v);
/// Rotates a 4 components vector by a quaternion.
///
/// @see gtx_quaternion
template<typename T, precision P>
GLM_FUNC_DECL tvec4<T, P> rotate(
tquat<T, P> const & q,
tvec4<T, P> const & v);
/// Extract the real component of a quaternion.
///
/// @see gtx_quaternion
template<typename T, precision P>
GLM_FUNC_DECL T extractRealComponent(
tquat<T, P> const & q);
/// Converts a quaternion to a 3 * 3 matrix.
///
/// @see gtx_quaternion
template<typename T, precision P>
GLM_FUNC_DECL tmat3x3<T, P> toMat3(
tquat<T, P> const & x){return mat3_cast(x);}
/// Converts a quaternion to a 4 * 4 matrix.
///
/// @see gtx_quaternion
template<typename T, precision P>
GLM_FUNC_DECL tmat4x4<T, P> toMat4(
tquat<T, P> const & x){return mat4_cast(x);}
/// Converts a 3 * 3 matrix to a quaternion.
///
/// @see gtx_quaternion
template<typename T, precision P>
GLM_FUNC_DECL tquat<T, P> toQuat(
tmat3x3<T, P> const & x){return quat_cast(x);}
/// Converts a 4 * 4 matrix to a quaternion.
///
/// @see gtx_quaternion
template<typename T, precision P>
GLM_FUNC_DECL tquat<T, P> toQuat(
tmat4x4<T, P> const & x){return quat_cast(x);}
/// Quaternion interpolation using the rotation short path.
///
/// @see gtx_quaternion
template<typename T, precision P>
GLM_FUNC_DECL tquat<T, P> shortMix(
tquat<T, P> const & x,
tquat<T, P> const & y,
T const & a);
/// Quaternion normalized linear interpolation.
///
/// @see gtx_quaternion
template<typename T, precision P>
GLM_FUNC_DECL tquat<T, P> fastMix(
tquat<T, P> const & x,
tquat<T, P> const & y,
T const & a);
/// Compute the rotation between two vectors.
/// param orig vector, needs to be normalized
/// param dest vector, needs to be normalized
///
/// @see gtx_quaternion
template<typename T, precision P>
GLM_FUNC_DECL tquat<T, P> rotation(
tvec3<T, P> const & orig,
tvec3<T, P> const & dest);
/// Returns the squared length of x.
///
/// @see gtx_quaternion
template<typename T, precision P>
GLM_FUNC_DECL T length2(tquat<T, P> const & q);
/// @}
}//namespace glm
#include "quaternion.inl"
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