1 files changed, 78 insertions, 0 deletions
diff --git a/3rdparty/glm/source/test/gtc/gtc_epsilon.cpp b/3rdparty/glm/source/test/gtc/gtc_epsilon.cpp
new file mode 100644
index 0000000..f0e6c8a
--- /dev/null
+++ b/3rdparty/glm/source/test/gtc/gtc_epsilon.cpp
@@ -0,0 +1,78 @@
+#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;
+}
+
+