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Added GTX_common with isdenomal #223
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Christophe Riccio
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70
glm/gtx/common.hpp
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70
glm/gtx/common.hpp
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///////////////////////////////////////////////////////////////////////////////////
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/// OpenGL Mathematics (glm.g-truc.net)
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///
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/// Copyright (c) 2005 - 2014 G-Truc Creation (www.g-truc.net)
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/// Permission is hereby granted, free of charge, to any person obtaining a copy
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/// of this software and associated documentation files (the "Software"), to deal
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/// in the Software without restriction, including without limitation the rights
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/// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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/// copies of the Software, and to permit persons to whom the Software is
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/// furnished to do so, subject to the following conditions:
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///
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/// The above copyright notice and this permission notice shall be included in
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/// all copies or substantial portions of the Software.
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///
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/// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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/// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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/// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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/// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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/// THE SOFTWARE.
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///
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/// @ref gtx_common
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/// @file glm/gtx/common.hpp
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/// @date 2014-09-08 / 2014-09-08
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/// @author Christophe Riccio
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///
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/// @see core (dependence)
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/// @see gtc_half_float (dependence)
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///
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/// @defgroup gtx_common GLM_GTX_common
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/// @ingroup gtx
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///
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/// @brief Provide functions to increase the compatibility with Cg and HLSL languages
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///
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/// <glm/gtx/common.hpp> need to be included to use these functionalities.
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///////////////////////////////////////////////////////////////////////////////////
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#pragma once
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// Dependencies:
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#include "../vec2.hpp"
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#include "../vec3.hpp"
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#include "../vec4.hpp"
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#include "../gtx/vec1.hpp"
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#if(defined(GLM_MESSAGES) && !defined(GLM_EXT_INCLUDED))
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# pragma message("GLM: GLM_GTX_common extension included")
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#endif
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namespace glm
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{
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/// @addtogroup gtx_common
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/// @{
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/// Returns true if x is a denormalized number
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/// Numbers whose absolute value is too small to be represented in the normal format are represented in an alternate, denormalized format.
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/// This format is less precise but can represent values closer to zero.
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///
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/// @tparam genType Floating-point scalar or vector types.
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///
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/// @see <a href="http://www.opengl.org/sdk/docs/manglsl/xhtml/isnan.xml">GLSL isnan man page</a>
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/// @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>
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template <typename genType>
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GLM_FUNC_DECL typename genType::bool_type isdenormal(genType const & x);
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/// @}
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}//namespace glm
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#include "common.inl"
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98
glm/gtx/common.inl
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98
glm/gtx/common.inl
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///////////////////////////////////////////////////////////////////////////////////
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/// OpenGL Mathematics (glm.g-truc.net)
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///
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/// Copyright (c) 2005 - 2014 G-Truc Creation (www.g-truc.net)
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/// Permission is hereby granted, free of charge, to any person obtaining a copy
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/// of this software and associated documentation files (the "Software"), to deal
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/// in the Software without restriction, including without limitation the rights
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/// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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/// copies of the Software, and to permit persons to whom the Software is
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/// furnished to do so, subject to the following conditions:
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///
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/// The above copyright notice and this permission notice shall be included in
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/// all copies or substantial portions of the Software.
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///
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/// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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/// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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/// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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/// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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/// THE SOFTWARE.
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///
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/// @ref gtx_common
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/// @file glm/gtx/common.inl
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/// @date 2014-09-08 / 2014-09-08
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/// @author Christophe Riccio
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///////////////////////////////////////////////////////////////////////////////////
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#include <cmath>
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namespace glm
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{
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template <typename T>
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GLM_FUNC_QUALIFIER bool isdenormal(T const & x)
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{
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GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559, "'isdenormal' only accept floating-point inputs");
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# if(GLM_LANG & GLM_LANG_CXX11_FLAG)
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return std::fpclassify(x) == FP_SUBNORMAL;
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# else
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return x != static_cast<T>(0) && std::fabs(x) < std::numeric_limits<T>::min();
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# endif
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}
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template <typename T, precision P>
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GLM_FUNC_QUALIFIER typename detail::tvec1<T, P>::bool_type isdenormal
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(
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detail::tvec1<T, P> const & x
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)
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{
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GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559, "'isdenormal' only accept floating-point inputs");
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return typename detail::tvec1<T, P>::bool_type(
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isdenormal(x.x));
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}
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template <typename T, precision P>
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GLM_FUNC_QUALIFIER typename detail::tvec2<T, P>::bool_type isdenormal
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(
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detail::tvec2<T, P> const & x
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)
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{
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GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559, "'isdenormal' only accept floating-point inputs");
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return typename detail::tvec2<T, P>::bool_type(
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isdenormal(x.x),
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isdenormal(x.y));
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}
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template <typename T, precision P>
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GLM_FUNC_QUALIFIER typename detail::tvec3<T, P>::bool_type isdenormal
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(
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detail::tvec3<T, P> const & x
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)
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{
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GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559, "'isdenormal' only accept floating-point inputs");
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return typename detail::tvec3<T, P>::bool_type(
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isdenormal(x.x),
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isdenormal(x.y),
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isdenormal(x.z));
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}
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template <typename T, precision P>
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GLM_FUNC_QUALIFIER typename detail::tvec4<T, P>::bool_type isdenormal
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(
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detail::tvec4<T, P> const & x
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)
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{
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GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559, "'isdenormal' only accept floating-point inputs");
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return typename detail::tvec4<T, P>::bool_type(
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isdenormal(x.x),
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isdenormal(x.y),
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isdenormal(x.z),
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isdenormal(x.w));
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}
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}//namespace glm
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@ -42,13 +42,14 @@ GLM 0.9.6.0: 2014-XX-XX
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- Added transparent use of SIMD instructions for vec4 and mat4 types
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- Removed degrees for function parameters
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- Removed GLM_FORCE_RADIANS, active by default
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- Added move contructors and assignment operators (#141)
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- Added move contructors and assignment operators #141
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- Use pragma once
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- Fixed Visual Studio 14 compiler warnings
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- Added *vec1 support to *vec2 types
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- Limited extended integer type redifinition (#233)
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- Improved linearRand: support precision and integers (#230)
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- Added vec3 slerp (#237)
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- Limited extended integer type redifinition #233
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- Improved linearRand: support precision and integers #230
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- Added vec3 slerp #237
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- Added GTX_common with isdenomal #223
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================================================================================
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GLM 0.9.5.5: 2014-XX-XX
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@ -3,6 +3,7 @@ glmCreateTestGTC(gtx_bit)
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glmCreateTestGTC(gtx_closest_point)
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glmCreateTestGTC(gtx_color_space_YCoCg)
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glmCreateTestGTC(gtx_color_space)
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glmCreateTestGTC(gtx_common)
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glmCreateTestGTC(gtx_compatibility)
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glmCreateTestGTC(gtx_component_wise)
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glmCreateTestGTC(gtx_euler_angle)
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33
test/gtx/gtx_common.cpp
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33
test/gtx/gtx_common.cpp
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///////////////////////////////////////////////////////////////////////////////////////////////////
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// OpenGL Mathematics Copyright (c) 2005 - 2014 G-Truc Creation (www.g-truc.net)
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///////////////////////////////////////////////////////////////////////////////////////////////////
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// Created : 2014-09-08
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// Updated : 2014-09-08
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// Licence : This source is under MIT licence
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// File : test/gtx/common.cpp
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///////////////////////////////////////////////////////////////////////////////////////////////////
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#include <glm/gtx/common.hpp>
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#include <glm/gtx/vec1.hpp>
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int test_isdenormal()
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{
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int Error(0);
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bool A = glm::isdenormal(1.0f);
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glm::bvec1 B = glm::isdenormal(glm::vec1(1.0f));
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glm::bvec2 C = glm::isdenormal(glm::vec2(1.0f));
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glm::bvec3 D = glm::isdenormal(glm::vec3(1.0f));
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glm::bvec4 E = glm::isdenormal(glm::vec4(1.0f));
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return Error;
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}
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int main()
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{
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int Error(0);
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Error += test_isdenormal();
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return Error;
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}
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