From 6a45579dbbf991c0e12ce59958e3b533d19fc9d4 Mon Sep 17 00:00:00 2001
From: jjesswan <jessica_wan@brown.edu>
Date: Tue, 7 May 2024 06:02:29 -0400
Subject: rotating skyboxgit add -A

---
 glm-master/test/ext/ext_quaternion_common.cpp | 61 +++++++++++++++++++++++++++
 1 file changed, 61 insertions(+)
 create mode 100644 glm-master/test/ext/ext_quaternion_common.cpp

(limited to 'glm-master/test/ext/ext_quaternion_common.cpp')

diff --git a/glm-master/test/ext/ext_quaternion_common.cpp b/glm-master/test/ext/ext_quaternion_common.cpp
new file mode 100644
index 0000000..861aa65
--- /dev/null
+++ b/glm-master/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;
+}
-- 
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