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88 lines
2.3 KiB
C++
88 lines
2.3 KiB
C++
///////////////////////////////////////////////////////////////////////////////////////////////////
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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 : 2012-09-19
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// Updated : 2012-09-19
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// Licence : This source is under MIT licence
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// File : test/gtc/epsilon.cpp
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///////////////////////////////////////////////////////////////////////////////////////////////////
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#define GLM_FORCE_RADIANS
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#include <glm/gtc/epsilon.hpp>
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#include <glm/gtc/constants.hpp>
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#include <glm/vector_relational.hpp>
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int test_defined()
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{
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glm::epsilonEqual(glm::vec2(), glm::vec2(), glm::vec2());
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glm::epsilonEqual(glm::vec3(), glm::vec3(), glm::vec3());
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glm::epsilonEqual(glm::vec4(), glm::vec4(), glm::vec4());
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glm::epsilonNotEqual(glm::vec2(), glm::vec2(), glm::vec2());
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glm::epsilonNotEqual(glm::vec3(), glm::vec3(), glm::vec3());
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glm::epsilonNotEqual(glm::vec4(), glm::vec4(), glm::vec4());
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glm::epsilonEqual(glm::vec2(), glm::vec2(), 0.0f);
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glm::epsilonEqual(glm::vec3(), glm::vec3(), 0.0f);
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glm::epsilonEqual(glm::vec4(), glm::vec4(), 0.0f);
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glm::epsilonEqual(glm::quat(), glm::quat(), 0.0f);
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glm::epsilonNotEqual(glm::vec2(), glm::vec2(), 0.0f);
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glm::epsilonNotEqual(glm::vec3(), glm::vec3(), 0.0f);
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glm::epsilonNotEqual(glm::vec4(), glm::vec4(), 0.0f);
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glm::epsilonNotEqual(glm::quat(), glm::quat(), 0.0f);
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return 0;
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}
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template <typename T>
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int test_equal()
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{
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int Error(0);
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{
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T A = glm::epsilon<T>();
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T B = glm::epsilon<T>();
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Error += glm::epsilonEqual(A, B, glm::epsilon<T>() * T(2)) ? 0 : 1;
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}
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{
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T A(0);
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T B = static_cast<T>(0) + glm::epsilon<T>();
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Error += glm::epsilonEqual(A, B, glm::epsilon<T>() * T(2)) ? 0 : 1;
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}
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{
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T A(0);
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T B = static_cast<T>(0) - glm::epsilon<T>();
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Error += glm::epsilonEqual(A, B, glm::epsilon<T>() * T(2)) ? 0 : 1;
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}
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{
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T A = static_cast<T>(0) + glm::epsilon<T>();
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T B = static_cast<T>(0);
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Error += glm::epsilonEqual(A, B, glm::epsilon<T>() * T(2)) ? 0 : 1;
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}
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{
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T A = static_cast<T>(0) - glm::epsilon<T>();
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T B = static_cast<T>(0);
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Error += glm::epsilonEqual(A, B, glm::epsilon<T>() * T(2)) ? 0 : 1;
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}
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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_defined();
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Error += test_equal<float>();
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Error += test_equal<double>();
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return Error;
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}
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