1 files changed, 61 insertions, 0 deletions
diff --git a/3rdparty/glm/source/test/ext/ext_quaternion_common.cpp b/3rdparty/glm/source/test/ext/ext_quaternion_common.cpp
new file mode 100644
index 0000000..861aa65
--- /dev/null
+++ b/3rdparty/glm/source/test/ext/ext_quaternion_common.cpp
@@ -0,0 +1,61 @@
+#include <glm/ext/vector_float3.hpp>
+#include <glm/ext/quaternion_common.hpp>
+#include <glm/ext/quaternion_float.hpp>
+#include <glm/ext/quaternion_relational.hpp>
+#include <glm/ext/quaternion_trigonometric.hpp>
+#include <glm/ext/scalar_constants.hpp>
+#include <glm/ext/scalar_relational.hpp>
+
+static int test_conjugate()
+{
+	int Error = 0;
+
+	glm::quat const A(glm::vec3(1, 0, 0), glm::vec3(0, 1, 0));
+	glm::quat const C = glm::conjugate(A);
+	Error += glm::any(glm::notEqual(A, C, glm::epsilon<float>())) ? 0 : 1;
+
+	glm::quat const B = glm::conjugate(C);
+	Error += glm::all(glm::equal(A, B, glm::epsilon<float>())) ? 0 : 1;
+
+	return Error;
+}
+
+static int test_mix()
+{
+	int Error = 0;
+
+	glm::quat const Q1(glm::vec3(1, 0, 0), glm::vec3(1, 0, 0));
+	glm::quat const Q2(glm::vec3(1, 0, 0), glm::vec3(0, 1, 0));
+
+	{
+		glm::quat const Q3 = glm::mix(Q1, Q2, 0.5f);
+		float const F3 = glm::degrees(glm::angle(Q3));
+		Error += glm::equal(F3, 45.0f, 0.001f) ? 0 : 1;
+
+		glm::quat const Q4 = glm::mix(Q2, Q1, 0.5f);
+		float const F4 = glm::degrees(glm::angle(Q4));
+		Error += glm::equal(F4, 45.0f, 0.001f) ? 0 : 1;
+	}
+
+	{
+		glm::quat const Q3 = glm::slerp(Q1, Q2, 0.5f);
+		float const F3 = glm::degrees(glm::angle(Q3));
+		Error += glm::equal(F3, 45.0f, 0.001f) ? 0 : 1;
+
+		glm::quat const Q4 = glm::slerp(Q2, Q1, 0.5f);
+		float const F4 = glm::degrees(glm::angle(Q4));
+		Error += glm::equal(F4, 45.0f, 0.001f) ? 0 : 1;
+	}
+
+	return Error;
+}
+
+int main()
+{
+	int Error = 0;
+
+	Error += test_conjugate();
+	Error += test_mix();
+
+	return Error;
+}