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Added GTX_common with isdenomal #223

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This commit is contained in:
Christophe Riccio
2014-09-07 20:53:35 +02:00
parent cccf2af0a2
commit ec513f4466
6 changed files with 208 additions and 5 deletions
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70
glm/gtx/common.hpp Normal file
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///////////////////////////////////////////////////////////////////////////////////
/// OpenGL Mathematics (glm.g-truc.net)
///
/// Copyright (c) 2005 - 2014 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 gtx_common
/// @file glm/gtx/common.hpp
/// @date 2014-09-08 / 2014-09-08
/// @author Christophe Riccio
///
/// @see core (dependence)
/// @see gtc_half_float (dependence)
///
/// @defgroup gtx_common GLM_GTX_common
/// @ingroup gtx
///
/// @brief Provide functions to increase the compatibility with Cg and HLSL languages
///
/// <glm/gtx/common.hpp> need to be included to use these functionalities.
///////////////////////////////////////////////////////////////////////////////////
#pragma once
// Dependencies:
#include "../vec2.hpp"
#include "../vec3.hpp"
#include "../vec4.hpp"
#include "../gtx/vec1.hpp"
#if(defined(GLM_MESSAGES) && !defined(GLM_EXT_INCLUDED))
# pragma message("GLM: GLM_GTX_common extension included")
#endif
namespace glm
{
/// @addtogroup gtx_common
/// @{
/// Returns true if x is a denormalized number
/// Numbers whose absolute value is too small to be represented in the normal format are represented in an alternate, denormalized format.
/// This format is less precise but can represent values closer to zero.
///
/// @tparam genType Floating-point scalar or vector types.
///
/// @see <a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/isnan.xml">GLSL isnan man page</a>
/// @see <a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 8.3 Common Functions</a>
template <typename genType>
GLM_FUNC_DECL typename genType::bool_type isdenormal(genType const & x);
/// @}
}//namespace glm
#include "common.inl"

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glm/gtx/common.inl Normal file
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///////////////////////////////////////////////////////////////////////////////////
/// OpenGL Mathematics (glm.g-truc.net)
///
/// Copyright (c) 2005 - 2014 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 gtx_common
/// @file glm/gtx/common.inl
/// @date 2014-09-08 / 2014-09-08
/// @author Christophe Riccio
///////////////////////////////////////////////////////////////////////////////////
#include <cmath>
namespace glm
{
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_LANG & GLM_LANG_CXX11_FLAG)
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 detail::tvec1<T, P>::bool_type isdenormal
(
detail::tvec1<T, P> const & x
)
{
GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559, "'isdenormal' only accept floating-point inputs");
return typename detail::tvec1<T, P>::bool_type(
isdenormal(x.x));
}
template <typename T, precision P>
GLM_FUNC_QUALIFIER typename detail::tvec2<T, P>::bool_type isdenormal
(
detail::tvec2<T, P> const & x
)
{
GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559, "'isdenormal' only accept floating-point inputs");
return typename detail::tvec2<T, P>::bool_type(
isdenormal(x.x),
isdenormal(x.y));
}
template <typename T, precision P>
GLM_FUNC_QUALIFIER typename detail::tvec3<T, P>::bool_type isdenormal
(
detail::tvec3<T, P> const & x
)
{
GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559, "'isdenormal' only accept floating-point inputs");
return typename detail::tvec3<T, P>::bool_type(
isdenormal(x.x),
isdenormal(x.y),
isdenormal(x.z));
}
template <typename T, precision P>
GLM_FUNC_QUALIFIER typename detail::tvec4<T, P>::bool_type isdenormal
(
detail::tvec4<T, P> const & x
)
{
GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559, "'isdenormal' only accept floating-point inputs");
return typename detail::tvec4<T, P>::bool_type(
isdenormal(x.x),
isdenormal(x.y),
isdenormal(x.z),
isdenormal(x.w));
}
}//namespace glm

2
glm/gtx/compatibility.hpp
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@@ -39,7 +39,7 @@
#pragma once
// Dependency:
#include "../glm.hpp"
#include "../glm.hpp"
#include "../gtc/quaternion.hpp"
#if(defined(GLM_MESSAGES) && !defined(GLM_EXT_INCLUDED))