Add ivec2 files

include/cglm/ivec2.h

@@ -0,0 +1,31 @@
+/*
+ * Copyright (c), Recep Aslantas.
+ *
+ * MIT License (MIT), http://opensource.org/licenses/MIT
+ * Full license can be found in the LICENSE file
+ */
+
+/*
+FUNCTIONS:
+  CGLM_INLINE void glm_ivec2(int * __restrict v, ivec2 dest)
+ */
+
+#ifndef cglm_ivec2_h
+#define cglm_ivec2_h
+
+#include "common.h"
+
+/*!
+ * @brief init ivec2 using another vector
+ *
+ * @param[in]  v    a vector
+ * @param[out] dest destination
+ */
+CGLM_INLINE
+void
+glm_ivec2(int * __restrict v, ivec2 dest) {
+  dest[0] = v[0];
+  dest[1] = v[1];
+}
+
+#endif /* cglm_ivec2_h */