init commit

2025-06-11 22:45:11 +08:00
commit 71307f3e53
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+#include <math/dvc_matrix3.h>
+#include <math/dvc_vector3.h>
+
+#include <gtest/gtest.h>
+#include <glm/glm.hpp>
+
+#include "dvt_unit_common.h"
+
+using namespace davinci;
+
+//-------------------------------------------------------------------------------------
+TEST(Math_Matrix3, Basic)
+{
+	{
+		float data[3][3] = { { THREE_RANDOM_FLOAT }, { THREE_RANDOM_FLOAT }, { THREE_RANDOM_FLOAT } };
+
+		fMatrix3 m1(data), m2(m1);
+		fMatrix3 m3(
+			data[0][0], data[0][1], data[0][2],
+			data[1][0], data[1][1], data[1][2],
+			data[2][0], data[2][1], data[2][2]
+		);
+
+		EXPECT_EQ_3X3(m1, data);
+		EXPECT_EQ_3X3(m2, data);
+		EXPECT_EQ_3X3(m3, data);
+	}
+
+	{
+		fMatrix3 m1(NINE_RANDOM_FLOAT), m2;
+
+		m2 = m1;
+		EXPECT_EQ_3X3(m1, m2);
+		EXPECT_TRUE(m1 == m2);
+
+		m2[0][0] += 1.0;
+		EXPECT_TRUE(m1 != m2);
+	}
+}
+
+//-------------------------------------------------------------------------------------
+TEST(Math_Matrix3, Algorithm)
+{
+	//+
+	{
+		float data1[9] = { NINE_RANDOM_FLOAT };
+		float data2[9] = { NINE_RANDOM_FLOAT };
+
+		fMatrix3 m1(NINE_ELEMENT_ROW(data1)), m2(NINE_ELEMENT_ROW(data2));
+		glm::mat3 gm1(NINE_ELEMENT_COL(data1)), gm2(NINE_ELEMENT_COL(data2));
+
+		fMatrix3 m3 = m1 + m2;
+		glm::mat3 gm3 = gm1 + gm2;
+
+		EXPECT_EQ_3X3_T(m3, gm3);
+	}
+
+	//-
+	{
+		float data1[9] = { NINE_RANDOM_FLOAT };
+		float data2[9] = { NINE_RANDOM_FLOAT };
+
+		fMatrix3 m1(NINE_ELEMENT_ROW(data1)), m2(NINE_ELEMENT_ROW(data2));
+		glm::mat3 gm1(NINE_ELEMENT_COL(data1)), gm2(NINE_ELEMENT_COL(data2));
+
+		fMatrix3 m3 = m1 - m2;
+		glm::mat3 gm3 = gm1 - gm2;
+
+		EXPECT_EQ_3X3_T(m3, gm3);
+	}
+
+	//*
+	{
+		float data1[9] = { NINE_RANDOM_FLOAT };
+		float data2[9] = { NINE_RANDOM_FLOAT };
+
+		fMatrix3 m1(NINE_ELEMENT_ROW(data1)), m2(NINE_ELEMENT_ROW(data2));
+		glm::mat3 gm1(NINE_ELEMENT_COL(data1)), gm2(NINE_ELEMENT_COL(data2));
+
+		fMatrix3 m3 = m1 * m2;
+		glm::mat3 gm3 = gm1 * gm2;
+
+		EXPECT_EQ_3X3_T(m3, gm3);
+	}
+
+	// -
+	{
+		float data1[9] = { NINE_RANDOM_FLOAT };
+
+		fMatrix3 m1(NINE_ELEMENT_ROW(data1));
+		glm::mat3 gm1(NINE_ELEMENT_COL(data1));
+
+		fMatrix3 m2 = -m1;
+		glm::mat3 gm2 = -gm1;
+
+		EXPECT_EQ_3X3_T(m2, gm2);
+	}
+
+
+	// vector * matrix
+	{
+		float data1[9] = { NINE_RANDOM_FLOAT };
+		float data2[3] = { THREE_RANDOM_FLOAT };
+
+		fMatrix3 m1(NINE_ELEMENT_ROW(data1));
+		fVector3 v1(data2);
+		fVector3 v2 = v1 * m1;
+
+		glm::mat3 gm1(NINE_ELEMENT_COL(data1));
+		glm::vec3 gv1(data2[0], data2[1], data2[2]);
+		glm::vec3 gv2 = gv1*gm1;
+
+		EXPECT_EQ(v2.x, gv2.x);
+		EXPECT_EQ(v2.y, gv2.y);
+		EXPECT_EQ(v2.z, gv2.z);
+	}
+
+	// matrix * vector
+	{
+		float data1[9] = { NINE_RANDOM_FLOAT };
+		float data2[3] = { THREE_RANDOM_FLOAT };
+
+		fMatrix3 m1(NINE_ELEMENT_ROW(data1));
+		fVector3 v1(data2);
+		fVector3 v2 = m1 * v1;
+
+		glm::mat3 gm1(NINE_ELEMENT_COL(data1));
+		glm::vec3 gv1(data2[0], data2[1], data2[2]);
+		glm::vec3 gv2 = gm1 * gv1;
+
+		EXPECT_EQ(v2.x, gv2.x);
+		EXPECT_EQ(v2.y, gv2.y);
+		EXPECT_EQ(v2.z, gv2.z);
+	}
+
+	// * float
+	{
+		float data1[9] = { NINE_RANDOM_FLOAT };
+		float a = _randomFloat();
+
+		fMatrix3 m1(NINE_ELEMENT_ROW(data1));
+		fMatrix3 m2 = m1 * a, m3 = a * m1;
+
+		glm::mat3 gm1(NINE_ELEMENT_COL(data1));
+		glm::mat3 gm2 = gm1 * a;
+
+
+		EXPECT_EQ_3X3_T(m2, gm2);
+		EXPECT_TRUE(m2 == m3);
+	}
+
+	// transpose
+	{
+		float data1[9] = { NINE_RANDOM_FLOAT };
+
+		fMatrix3 m1(NINE_ELEMENT_ROW(data1));
+		fMatrix3 m2 = m1.transpose();
+
+		glm::mat3 gm1(NINE_ELEMENT_COL(data1));
+		glm::mat3 gm2 = glm::transpose(gm1);
+
+		EXPECT_EQ_3X3_T(m2, gm2);
+	}
+
+	// inverse
+	{
+		float data1[9] = { NINE_RANDOM_FLOAT };
+
+		fMatrix3 m1(NINE_ELEMENT_ROW(data1)), m2;
+		bool inv = m1.inverse(m2);
+
+		glm::mat3 gm1(NINE_ELEMENT_COL(data1));
+		glm::mat3 gm2 = glm::inverse(gm1);
+
+		if (inv) 
+			EXPECT_EQ_3X3_T(m2, gm2);
+
+		EXPECT_FALSE(fMatrix3::ZERO.inverse(m2));
+	}
+
+}
+