Function float_to_float16

Source/astcenc_vecmathlib_none_4.h:1017–1024

* @brief Return a float16 value for a float vector, using round-to-nearest. */

 * @brief Return a float16 value for a float vector, using round-to-nearest.
 */
ASTCENC_SIMD_INLINE vint4 float_to_float16(vfloat4 a)
{
	return vint4(
		float_to_sf16(a.lane<0>()),
		float_to_sf16(a.lane<1>()),
		float_to_sf16(a.lane<2>()),
		float_to_sf16(a.lane<3>()));
}

/**
 * @brief Return a float16 value for a float scalar, using round-to-nearest.