add new matrix mat4x2

Initial function being

glm_mat4x2_make

Signed-off-by: Vincent Davis Jr <vince@underview.tech>

test/src/test_mat4x2.h

@@ -0,0 +1,56 @@
+/*
+ * Copyright (c), Recep Aslantas.
+ *
+ * MIT License (MIT), http://opensource.org/licenses/MIT
+ * Full license can be found in the LICENSE file
+ */
+
+#include "test_common.h"
+
+#ifndef CGLM_TEST_MAT4X2_ONCE
+#define CGLM_TEST_MAT4X2_ONCE
+
+TEST_IMPL(MACRO_GLM_MAT4X2_ZERO_INIT) {
+  mat4x2 mat4x2_zero = GLM_MAT4X2_ZERO_INIT;
+  test_assert_mat4x2_eq_zero(mat4x2_zero);
+  TEST_SUCCESS
+}
+
+TEST_IMPL(MACRO_GLM_MAT4X2_ZERO) {
+  mat4x2 mat4x2_zero = GLM_MAT4X2_ZERO;
+  test_assert_mat4x2_eq_zero(mat4x2_zero);
+  TEST_SUCCESS
+}
+
+#endif /* CGLM_TEST_MAT4X2_ONCE */
+
+TEST_IMPL(GLM_PREFIX, mat4x2_make) {
+  float src[24] = {
+    0.5f, 1.7f, 10.3f, 4.2f, 8.9f, 1.1f, 2.3f, 4.2f,
+    2.3f, 4.2f, 66.5f, 23.7f, 6.6f, 8.9f, 0.5f, 1.7f,
+    5.3f, 4.8f, 96.3f, 13.7f, 4.7f, 5.5f, 2.3f, 4.2f
+  };
+
+  mat4x2 dest[3];
+
+  float *srcp = src;
+  unsigned int i, j, k;
+
+  for (i = 0, j = 0, k = 0; i < sizeof(src) / sizeof(float); i+=8,j++) {
+    GLM(mat4x2_make)(srcp + i, dest[j]);
+
+    ASSERT(test_eq(src[ i ], dest[j][k][0]));
+    ASSERT(test_eq(src[i+1], dest[j][k][1]));
+
+    ASSERT(test_eq(src[i+2], dest[j][k+1][0]));
+    ASSERT(test_eq(src[i+3], dest[j][k+1][1]));
+
+    ASSERT(test_eq(src[i+4], dest[j][k+2][0]));
+    ASSERT(test_eq(src[i+5], dest[j][k+2][1]));
+
+    ASSERT(test_eq(src[i+6], dest[j][k+3][0]));
+    ASSERT(test_eq(src[i+7], dest[j][k+3][1]));
+  }
+
+  TEST_SUCCESS
+}