replace math_graphics with glm version 1.0.3

libs/glm/test/gtx/gtx_matrix_decompose.cpp

@@ -0,0 +1,59 @@
+#define GLM_ENABLE_EXPERIMENTAL
+#include <glm/gtx/matrix_decompose.hpp>
+
+#include <glm/ext/matrix_relational.hpp>
+#include <glm/ext/matrix_transform.hpp>
+#include <glm/ext/scalar_constants.hpp>
+
+static int test_identity() {
+	int Error = 0;
+
+	glm::mat4 Matrix(1);
+
+	glm::vec3 Scale;
+	glm::quat Orientation;
+	glm::vec3 Translation;
+	glm::vec3 Skew(1);
+	glm::vec4 Perspective(1);
+
+	glm::decompose(Matrix, Scale, Orientation, Translation, Skew, Perspective);
+
+	glm::mat4 Out = glm::recompose(Scale, Orientation, Translation, Skew, Perspective);
+
+	Error += glm::all(glm::equal(Matrix, Out, glm::epsilon<float>())) ? 0 : 1;
+
+	return Error;
+}
+
+static int test_scale_translate() {
+	int Error = 0;
+
+	glm::vec3 const T(2.0f);
+	glm::vec3 const S(2.0f);
+
+	glm::mat4 Matrix = glm::translate(glm::scale(glm::mat4(1), S), T);
+
+	glm::vec3 Scale(2);
+	glm::quat Orientation;
+	glm::vec3 Translation(2);
+	glm::vec3 Skew(1);
+	glm::vec4 Perspective(1);
+
+	glm::decompose(Matrix, Scale, Orientation, Translation, Skew, Perspective);
+
+	glm::mat4 Out = glm::recompose(Scale, Orientation, Translation, Skew, Perspective);
+
+	Error += glm::all(glm::equal(Matrix, Out, glm::epsilon<float>())) ? 0 : 1;
+
+	return Error;
+}
+
+int main()
+{
+	int Error = 0;
+
+	Error += test_identity();
+	Error += test_scale_translate();
+
+	return Error;
+}