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111 lines
3.5 KiB
C++
111 lines
3.5 KiB
C++
///////////////////////////////////////////////////////////////////////////////////
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/// OpenGL Mathematics (glm.g-truc.net)
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///
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/// Copyright (c) 2005 - 2015 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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/// Restrictions:
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/// By making use of the Software for military purposes, you choose to make
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/// a Bunny unhappy.
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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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/// @file test/gtx/gtx_component_wise.cpp
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/// @date 2013-10-25 / 2015-09-25
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/// @author Christophe Riccio
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///////////////////////////////////////////////////////////////////////////////////
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#include <glm/gtx/component_wise.hpp>
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#include <glm/gtc/type_precision.hpp>
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#include <glm/gtc/epsilon.hpp>
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#include <glm/gtc/constants.hpp>
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#include <limits>
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namespace integer_8bit_test
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{
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int run()
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{
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int Error(0);
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{
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glm::vec4 const A = glm::compNormalize<float>(glm::u8vec4(0, 127, 128, 255));
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Error += glm::epsilonEqual(A.x, 0.0f, glm::epsilon<float>()) ? 0 : 1;
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Error += A.y < 0.5f ? 0 : 1;
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Error += A.z > 0.5f ? 0 : 1;
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Error += glm::epsilonEqual(A.w, 1.0f, glm::epsilon<float>()) ? 0 : 1;
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}
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{
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glm::vec4 const A = glm::compNormalize<float>(glm::i8vec4(-128, -1, 0, 127));
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Error += glm::epsilonEqual(A.x,-1.0f, glm::epsilon<float>()) ? 0 : 1;
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Error += A.y < 0.0f ? 0 : 1;
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Error += A.z > 0.0f ? 0 : 1;
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Error += glm::epsilonEqual(A.w, 1.0f, glm::epsilon<float>()) ? 0 : 1;
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}
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return Error;
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}
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}//namespace integer_8bit_test
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namespace integer_16bit_test
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{
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int run()
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{
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int Error(0);
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{
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glm::vec4 const A = glm::compNormalize<float>(glm::u16vec4(
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std::numeric_limits<glm::u16>::min(),
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(std::numeric_limits<glm::u16>::max() >> 1) + 0,
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(std::numeric_limits<glm::u16>::max() >> 1) + 1,
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std::numeric_limits<glm::u16>::max()));
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Error += glm::epsilonEqual(A.x, 0.0f, glm::epsilon<float>()) ? 0 : 1;
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Error += A.y < 0.5f ? 0 : 1;
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Error += A.z > 0.5f ? 0 : 1;
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Error += glm::epsilonEqual(A.w, 1.0f, glm::epsilon<float>()) ? 0 : 1;
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}
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{
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glm::vec4 const A = glm::compNormalize<float>(glm::i16vec4(
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std::numeric_limits<glm::i16>::min(),
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static_cast<glm::i16>(-1),
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static_cast<glm::i16>(0),
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std::numeric_limits<glm::i16>::max()));
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Error += glm::epsilonEqual(A.x,-1.0f, glm::epsilon<float>()) ? 0 : 1;
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Error += A.y < 0.0f ? 0 : 1;
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Error += A.z > 0.0f ? 0 : 1;
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Error += glm::epsilonEqual(A.w, 1.0f, glm::epsilon<float>()) ? 0 : 1;
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}
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return Error;
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}
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}//namespace integer_16bit_test
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int main()
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{
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int Error(0);
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Error += integer_8bit_test::run();
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Error += integer_16bit_test::run();
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return Error;
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}
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