You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and dots ('.'), can be up to 35 characters long. Letters must be lowercase.
141 lines
4.5 KiB
141 lines
4.5 KiB
/////////////////////////////////////////////////////////////////////////////////// |
|
/// OpenGL Mathematics (glm.g-truc.net) |
|
/// |
|
/// Copyright (c) 2005 - 2015 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. |
|
/// |
|
/// Restrictions: |
|
/// By making use of the Software for military purposes, you choose to make |
|
/// a Bunny unhappy. |
|
/// |
|
/// 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 gtx_common |
|
/// @file glm/gtx/common.inl |
|
/// @date 2014-09-08 / 2014-09-08 |
|
/// @author Christophe Riccio |
|
/////////////////////////////////////////////////////////////////////////////////// |
|
|
|
#include <cmath> |
|
|
|
namespace glm{ |
|
namespace detail |
|
{ |
|
template <typename T, precision P, template <class, precision> class vecType, bool isFloat = true> |
|
struct compute_fmod |
|
{ |
|
GLM_FUNC_QUALIFIER static vecType<T, P> call(vecType<T, P> const & a, vecType<T, P> const & b) |
|
{ |
|
return detail::functor2<T, P, vecType>::call(std::fmod, a, b); |
|
} |
|
}; |
|
|
|
template <typename T, precision P, template <class, precision> class vecType> |
|
struct compute_fmod<T, P, vecType, false> |
|
{ |
|
GLM_FUNC_QUALIFIER static vecType<T, P> call(vecType<T, P> const & a, vecType<T, P> const & b) |
|
{ |
|
return a % b; |
|
} |
|
}; |
|
}//namespace detail |
|
|
|
template <typename T> |
|
GLM_FUNC_QUALIFIER bool isdenormal(T const & x) |
|
{ |
|
GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559, "'isdenormal' only accept floating-point inputs"); |
|
|
|
# if GLM_HAS_CXX11_STL |
|
return std::fpclassify(x) == FP_SUBNORMAL; |
|
# else |
|
return x != static_cast<T>(0) && std::fabs(x) < std::numeric_limits<T>::min(); |
|
# endif |
|
} |
|
|
|
template <typename T, precision P> |
|
GLM_FUNC_QUALIFIER typename tvec1<T, P>::bool_type isdenormal |
|
( |
|
tvec1<T, P> const & x |
|
) |
|
{ |
|
GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559, "'isdenormal' only accept floating-point inputs"); |
|
|
|
return typename tvec1<T, P>::bool_type( |
|
isdenormal(x.x)); |
|
} |
|
|
|
template <typename T, precision P> |
|
GLM_FUNC_QUALIFIER typename tvec2<T, P>::bool_type isdenormal |
|
( |
|
tvec2<T, P> const & x |
|
) |
|
{ |
|
GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559, "'isdenormal' only accept floating-point inputs"); |
|
|
|
return typename tvec2<T, P>::bool_type( |
|
isdenormal(x.x), |
|
isdenormal(x.y)); |
|
} |
|
|
|
template <typename T, precision P> |
|
GLM_FUNC_QUALIFIER typename tvec3<T, P>::bool_type isdenormal |
|
( |
|
tvec3<T, P> const & x |
|
) |
|
{ |
|
GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559, "'isdenormal' only accept floating-point inputs"); |
|
|
|
return typename tvec3<T, P>::bool_type( |
|
isdenormal(x.x), |
|
isdenormal(x.y), |
|
isdenormal(x.z)); |
|
} |
|
|
|
template <typename T, precision P> |
|
GLM_FUNC_QUALIFIER typename tvec4<T, P>::bool_type isdenormal |
|
( |
|
tvec4<T, P> const & x |
|
) |
|
{ |
|
GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559, "'isdenormal' only accept floating-point inputs"); |
|
|
|
return typename tvec4<T, P>::bool_type( |
|
isdenormal(x.x), |
|
isdenormal(x.y), |
|
isdenormal(x.z), |
|
isdenormal(x.w)); |
|
} |
|
|
|
// fmod |
|
template <typename genType> |
|
GLM_FUNC_QUALIFIER genType fmod(genType x, genType y) |
|
{ |
|
return fmod(tvec1<genType>(x), y).x; |
|
} |
|
|
|
template <typename T, precision P, template <typename, precision> class vecType> |
|
GLM_FUNC_QUALIFIER vecType<T, P> fmod(vecType<T, P> const & x, T y) |
|
{ |
|
return detail::compute_fmod<T, P, vecType, std::numeric_limits<T>::is_iec559>::call(x, vecType<T, P>(y)); |
|
} |
|
|
|
template <typename T, precision P, template <typename, precision> class vecType> |
|
GLM_FUNC_QUALIFIER vecType<T, P> fmod(vecType<T, P> const & x, vecType<T, P> const & y) |
|
{ |
|
return detail::compute_fmod<T, P, vecType, std::numeric_limits<T>::is_iec559>::call(x, y); |
|
} |
|
}//namespace glm
|
|
|