glm/test/gtc/gtc_epsilon.cpp
Christophe Riccio 3f48ffefb0 Updated license
2014-11-26 00:27:12 +01:00

109 lines
3.4 KiB
C++

///////////////////////////////////////////////////////////////////////////////////
/// 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.
///
/// 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.
///
/// @file test/gtc/gtc_epsilon.cpp
/// @date 2012-09-19 / 2014-11-25
/// @author Christophe Riccio
///////////////////////////////////////////////////////////////////////////////////
#include <glm/gtc/epsilon.hpp>
#include <glm/gtc/constants.hpp>
#include <glm/vector_relational.hpp>
int test_defined()
{
glm::epsilonEqual(glm::vec2(), glm::vec2(), glm::vec2());
glm::epsilonEqual(glm::vec3(), glm::vec3(), glm::vec3());
glm::epsilonEqual(glm::vec4(), glm::vec4(), glm::vec4());
glm::epsilonNotEqual(glm::vec2(), glm::vec2(), glm::vec2());
glm::epsilonNotEqual(glm::vec3(), glm::vec3(), glm::vec3());
glm::epsilonNotEqual(glm::vec4(), glm::vec4(), glm::vec4());
glm::epsilonEqual(glm::vec2(), glm::vec2(), 0.0f);
glm::epsilonEqual(glm::vec3(), glm::vec3(), 0.0f);
glm::epsilonEqual(glm::vec4(), glm::vec4(), 0.0f);
glm::epsilonEqual(glm::quat(), glm::quat(), 0.0f);
glm::epsilonNotEqual(glm::vec2(), glm::vec2(), 0.0f);
glm::epsilonNotEqual(glm::vec3(), glm::vec3(), 0.0f);
glm::epsilonNotEqual(glm::vec4(), glm::vec4(), 0.0f);
glm::epsilonNotEqual(glm::quat(), glm::quat(), 0.0f);
return 0;
}
template <typename T>
int test_equal()
{
int Error(0);
{
T A = glm::epsilon<T>();
T B = glm::epsilon<T>();
Error += glm::epsilonEqual(A, B, glm::epsilon<T>() * T(2)) ? 0 : 1;
}
{
T A(0);
T B = static_cast<T>(0) + glm::epsilon<T>();
Error += glm::epsilonEqual(A, B, glm::epsilon<T>() * T(2)) ? 0 : 1;
}
{
T A(0);
T B = static_cast<T>(0) - glm::epsilon<T>();
Error += glm::epsilonEqual(A, B, glm::epsilon<T>() * T(2)) ? 0 : 1;
}
{
T A = static_cast<T>(0) + glm::epsilon<T>();
T B = static_cast<T>(0);
Error += glm::epsilonEqual(A, B, glm::epsilon<T>() * T(2)) ? 0 : 1;
}
{
T A = static_cast<T>(0) - glm::epsilon<T>();
T B = static_cast<T>(0);
Error += glm::epsilonEqual(A, B, glm::epsilon<T>() * T(2)) ? 0 : 1;
}
return Error;
}
int main()
{
int Error(0);
Error += test_defined();
Error += test_equal<float>();
Error += test_equal<double>();
return Error;
}