Function isnan

Source/astcenc_mathlib.h:153–156

* @brief Test if a float value is a nan. * * @param v The value test. * * @return Zero is not a NaN, non-zero otherwise. */

 * @return Zero is not a NaN, non-zero otherwise.
 */
static inline bool isnan(float v)
{
	return v != v;
}

/**
 * @brief Return the minimum of two values.