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clean up

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Christophe Riccio ago%!(EXTRA string=12 years)
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  1. 224
      glm/core/func_exponential.inl
  2. 166
      glm/virtrev/xstream.hpp

224
glm/core/func_exponential.inl
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///////////////////////////////////////////////////////////////////////////////////
/// OpenGL Mathematics (glm.g-truc.net)
///
/// Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
/// Permission is hereby granted, free of charge, to any person obtaining a copy
/// of this software and associated documentation files (the "Software"), to deal
/// in the Software without restriction, including without limitation the rights
/// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
/// copies of the Software, and to permit persons to whom the Software is
/// furnished to do so, subject to the following conditions:
///
/// The above copyright notice and this permission notice shall be included in
/// all copies or substantial portions of the Software.
///
/// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
/// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
/// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
/// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
/// THE SOFTWARE.
///
/// @ref core
/// @file glm/core/func_exponential.inl
/// @date 2008-08-03 / 2011-06-15
/// @author Christophe Riccio
///////////////////////////////////////////////////////////////////////////////////
#include "func_vector_relational.hpp"
#include "_vectorize.hpp"
#include <limits>
#include <cassert>
namespace glm
{
// pow
template <typename genType>
GLM_FUNC_QUALIFIER genType pow
(
genType const & x,
genType const & y
)
{
GLM_STATIC_ASSERT(
std::numeric_limits<genType>::is_iec559,
"'pow' only accept floating-point inputs");
return std::pow(x, y);
}
VECTORIZE_VEC_VEC(pow)
// exp
template <typename genType>
GLM_FUNC_QUALIFIER genType exp
(
genType const & x
)
{
GLM_STATIC_ASSERT(
std::numeric_limits<genType>::is_iec559,
"'exp' only accept floating-point inputs");
return std::exp(x);
}
VECTORIZE_VEC(exp)
// log
template <typename genType>
GLM_FUNC_QUALIFIER genType log
(
genType const & x
)
{
GLM_STATIC_ASSERT(
std::numeric_limits<genType>::is_iec559,
"'log' only accept floating-point inputs");
return std::log(x);
}
VECTORIZE_VEC(log)
//exp2, ln2 = 0.69314718055994530941723212145818f
template <typename genType>
GLM_FUNC_QUALIFIER genType exp2
(
genType const & x
)
{
GLM_STATIC_ASSERT(
std::numeric_limits<genType>::is_iec559,
"'exp2' only accept floating-point inputs");
return std::exp(static_cast<genType>(0.69314718055994530941723212145818) * x);
}
VECTORIZE_VEC(exp2)
namespace detail
{
template <bool isFloat>
struct compute_log2
{
template <typename T>
T operator() (T const & Value) const;
};
template <>
struct compute_log2<true>
{
template <typename T>
T operator() (T const & Value) const
{
return static_cast<T>(::std::log(Value)) * static_cast<T>(1.4426950408889634073599246810019);
}
};
}//namespace detail
// log2, ln2 = 0.69314718055994530941723212145818f
template <typename genType>
GLM_FUNC_QUALIFIER genType log2
(
genType const & x
)
{
GLM_STATIC_ASSERT(std::numeric_limits<genType>::is_iec559 || std::numeric_limits<genType>::is_integer,
"GLM core 'log2' only accept floating-point inputs. Include <glm/gtx/integer.hpp> for additional integer support.");
assert(x > genType(0)); // log2 is only defined on the range (0, inf]
return detail::compute_log2<std::numeric_limits<genType>::is_iec559>()(x);
}
VECTORIZE_VEC(log2)
// sqrt
template <typename genType>
GLM_FUNC_QUALIFIER genType sqrt
(
genType const & x
)
{
GLM_STATIC_ASSERT(
std::numeric_limits<genType>::is_iec559,
"'sqrt' only accept floating-point inputs");
assert(x >= genType(0));
return std::sqrt(x);
}
VECTORIZE_VEC(sqrt)
template <typename genType>
GLM_FUNC_QUALIFIER genType inversesqrt
(
genType const & x
)
{
GLM_STATIC_ASSERT(
std::numeric_limits<genType>::is_iec559,
"'inversesqrt' only accept floating-point inputs");
assert(x > genType(0));
return genType(1) / std::sqrt(x);
}
VECTORIZE_VEC(inversesqrt)
namespace detail
{
template <typename genType, typename genUType>
genType fastInversesqrt(genType const & v)
{
genType tmp(v);
genType xhalf(tmp * genType(0.5f));
genUType i = *reinterpret_cast<genUType*>(const_cast<genType*>(&v));
i = genUType(0x5f375a86) - (i >> genUType(1));
// tmp = *reinterpret_cast<genType*>(&i);
{
genType* ptr(reinterpret_cast<genType*>(&i));
tmp = *ptr;
}
tmp = tmp * (genType(1.5f) - xhalf * tmp * tmp);
return tmp;
}
}
template <>
GLM_FUNC_QUALIFIER lowp_vec1 inversesqrt(lowp_vec1 const & v)
{
assert(glm::all(glm::greaterThan(v, lowp_vec1(0))));
return detail::fastInversesqrt<lowp_vec1, uint>(v);
}
template <>
GLM_FUNC_QUALIFIER lowp_vec2 inversesqrt(lowp_vec2 const & v)
{
assert(glm::all(glm::greaterThan(v, lowp_vec2(0))));
return detail::fastInversesqrt<lowp_vec2, lowp_uvec2>(v);
}
template <>
GLM_FUNC_QUALIFIER lowp_vec3 inversesqrt(lowp_vec3 const & v)
{
assert(glm::all(glm::greaterThan(v, lowp_vec3(0))));
return detail::fastInversesqrt<lowp_vec3, lowp_uvec3>(v);
}
template <>
GLM_FUNC_QUALIFIER lowp_vec4 inversesqrt(lowp_vec4 const & v)
{
assert(glm::all(glm::greaterThan(v, lowp_vec4(0))));
return detail::fastInversesqrt<lowp_vec4, lowp_uvec4>(v);
}
}//namespace glm

166
glm/virtrev/xstream.hpp
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///////////////////////////////////////////////////////////////////////////////////
/// OpenGL Mathematics (glm.g-truc.net)
///
/// Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
/// Permission is hereby granted, free of charge, to any person obtaining a copy
/// of this software and associated documentation files (the "Software"), to deal
/// in the Software without restriction, including without limitation the rights
/// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
/// copies of the Software, and to permit persons to whom the Software is
/// furnished to do so, subject to the following conditions:
///
/// The above copyright notice and this permission notice shall be included in
/// all copies or substantial portions of the Software.
///
/// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
/// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
/// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
/// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
/// THE SOFTWARE.
///
/// @ref virtrev_xstream
/// @file glm/virtrev/xstream.hpp
/// @date 2008-05-24 / 2008-05-26
/// @author Mathieu Roumillac (matrem84.free.fr)
///
/// @see core (dependence)
/// @see gtc_matrix_access (dependence)
///
/// @defgroup virtrev_xstream GLM_VIRTREV_xstream: xml like output
/// @ingroup virtrev
///
/// @brief Streaming vector and matrix in a xml way.
///
/// Include <glm/virtrev/xstream.hpp> for this functionality.
///////////////////////////////////////////////////////////////////////////////////
#ifndef GLM_VIRTREV_xstream
#define GLM_VIRTREV_xstream GLM_VERSION
#include "../glm.hpp"
#include "../gtc/matrix_access.hpp"
#include <iostream>
#if(defined(GLM_MESSAGES) && !defined(glm_ext))
# pragma message("GLM: GLM_VIRTREV_xstream extension included")
#endif
/*
namespace glm{
namespace detail
{
template<typename T>
std::ostream & operator << (std::ostream & stream, glm::detail::tvec2<T, P> const & vec)
{
stream << "<glm_vec2 ";
stream << "x=\"" << vec.x << "\" ";
stream << "y=\"" << vec.y << "\" ";
stream << "/>";
return stream;
}
template<typename T>
std::ostream & operator << (std::ostream & stream, glm::detail::tvec3<T, P> const & vec)
{
stream << "<glm_vec3 ";
stream << "x=\"" << vec.x << "\" ";
stream << "y=\"" << vec.y << "\" ";
stream << "z=\"" << vec.z << "\" ";
stream << "/>";
return stream;
}
template<typename T>
std::ostream & operator << (std::ostream & stream, glm::detail::tvec4<T, P> const & vec)
{
stream << "<glm_vec4 ";
stream << "x=\"" << vec.x << "\" ";
stream << "y=\"" << vec.y << "\" ";
stream << "z=\"" << vec.z << "\" ";
stream << "w=\"" << vec.w << "\" ";
stream << "/>";
return stream;
}
template<typename T>
std::ostream & operator << (std::ostream & stream, glm::detail::tmat2x2<T, P> const & mat)
{
stream << "<glm_mat2>" << std::endl;
stream << "<row ";
stream << "x=\"" << glm::row(mat, 0)[0] << "\" ";
stream << "y=\"" << glm::row(mat, 0)[1] << "\" ";
stream << "/>" << std::endl;
stream << "<row ";
stream << "x=\"" << glm::row(mat, 1)[0] << "\" ";
stream << "y=\"" << glm::row(mat, 1)[1] << "\" ";
stream << "/>" << std::endl;
stream << "</glm_mat2>";
return stream;
}
template<typename T>
std::ostream & operator << (std::ostream & stream, glm::detail::tmat3x3<T, P> const & mat)
{
stream << "<glm_mat3>" << std::endl;
stream << "<row ";
stream << "x=\"" << glm::row(mat, 0)[0] << "\" ";
stream << "y=\"" << glm::row(mat, 0)[1] << "\" ";
stream << "z=\"" << glm::row(mat, 0)[2] << "\" ";
stream << "/>" << std::endl;
stream << "<row ";
stream << "x=\"" << glm::row(mat, 1)[0] << "\" ";
stream << "y=\"" << glm::row(mat, 1)[1] << "\" ";
stream << "z=\"" << glm::row(mat, 1)[2] << "\" ";
stream << "/>" << std::endl;
stream << "<row ";
stream << "x=\"" << glm::row(mat, 2)[0] << "\" ";
stream << "y=\"" << glm::row(mat, 2)[1] << "\" ";
stream << "z=\"" << glm::row(mat, 2)[2] << "\" ";
stream << "/>" << std::endl;
stream << "</glm_mat3>";
return stream;
}
template<typename T>
std::ostream & operator << (std::ostream & stream, glm::detail::tmat4x4<T, P> const & mat)
{
stream << "<glm_mat4>" << std::endl;
stream << "<row ";
stream << "x=\"" << glm::row(mat, 0)[0] << "\" ";
stream << "y=\"" << glm::row(mat, 0)[1] << "\" ";
stream << "z=\"" << glm::row(mat, 0)[2] << "\" ";
stream << "w=\"" << glm::row(mat, 0)[3] << "\" ";
stream << "/>" << std::endl;
stream << "<row ";
stream << "x=\"" << glm::row(mat, 1)[0] << "\" ";
stream << "y=\"" << glm::row(mat, 1)[1] << "\" ";
stream << "z=\"" << glm::row(mat, 1)[2] << "\" ";
stream << "w=\"" << glm::row(mat, 1)[3] << "\" ";
stream << "/>" << std::endl;
stream << "<row ";
stream << "x=\"" << glm::row(mat, 2)[0] << "\" ";
stream << "y=\"" << glm::row(mat, 2)[1] << "\" ";
stream << "z=\"" << glm::row(mat, 2)[2] << "\" ";
stream << "w=\"" << glm::row(mat, 2)[3] << "\" ";
stream << "/>" << std::endl;
stream << "<row ";
stream << "x=\"" << glm::row(mat, 3)[0] << "\" ";
stream << "y=\"" << glm::row(mat, 3)[1] << "\" ";
stream << "z=\"" << glm::row(mat, 3)[2] << "\" ";
stream << "w=\"" << glm::row(mat, 3)[3] << "\" ";
stream << "/>" << std::endl;
stream << "</glm_mat4>";
return stream;
}
}//namespace detail
}//namespace glm
*/
#endif//GLM_VIRTREV_xstream
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