Added support for rendering on Android devices

include/math_utils.h

@@ -0,0 +1,17 @@
+#ifndef MATH_UTILS_H
+#define MATH_UTILS_H
+
+#include <stdint.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif // !__cplusplus
+
+int32_t max_int(int32_t a, int32_t b);
+int32_t min_int(int32_t a, int32_t b);
+
+#ifdef __cplusplus
+}
+#endif // !__cplusplus
+       //
+#endif // !MATH_UTILS_H