Function clamp

Source/astcenc_vecmathlib_common_4.h:100–103

* @brief Return the clamped value between min and max. */

 * @brief Return the clamped value between min and max.
 */
ASTCENC_SIMD_INLINE vint4 clamp(int minv, int maxv, vint4 a)
{
	return min(max(a, vint4(minv)), vint4(maxv));
}

/**
 * @brief Return the horizontal sum of RGB vector lanes as a scalar.