#include <glm/gtc/epsilon.hpp> #include <glm/gtc/constants.hpp> #include <glm/gtc/quaternion.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; }