first init

main.c

@@ -0,0 +1,50 @@
+#define GMATH_IMPLEMENTATION
+#include "gmath.h"
+#include <stdio.h>
+
+int main(void)
+{
+	float matrix_shape[] = {
+		1, 2, 3,
+		4, 5, 6,
+		7, 8, 9,
+	};
+
+	float matrix_shape2[] = {
+		9, 8, 7,
+		6, 5, 4,
+		3, 2, 1,
+	};
+
+	float matrix_shape3[] = {
+		3,
+		4,
+		5,
+		1,
+	};
+
+	/* Matrix mat[3] = { */
+	/* 	{matrix_shape, 3, 3}, */
+	/* 	{matrix_shape2, 3, 3}, */
+	/* 	GMatrix_malloc(3,3), */
+	/* }; */
+
+	Matrix mat[3] = {
+		GMatrix_unit(4),
+		{matrix_shape3, 1, 4},
+		GMatrix_malloc(1, 4),
+	};
+
+	GMAT_AT(mat[0], 0, 3) = 1;
+	GMAT_AT(mat[0], 1, 3) = 1;
+	GMAT_AT(mat[0], 2, 3) = 1;
+
+
+	GMatrix_print(mat[0]);
+	printf("----------------------------------------\n");
+	GMatrix_print(mat[1]);
+
+	GMatrix_prod(mat[2], mat[0], mat[1]);
+	printf("----------------------------------------\n");
+	GMatrix_print(mat[2]);
+}