Function hmax

Source/astcenc_vecmathlib_rvv_n.h:508–512

* @brief Return the horizontal maximum of a vector. */

 * @brief Return the horizontal maximum of a vector.
 */
ASTCENC_SIMD_INLINE vint hmax(vint a)
{
	a.m = __riscv_vredmax(a.m, a.m, vint::vl());
	return vint(__riscv_vrgather(a.m, 0, vint::vl()));
}

/**
 * @brief Return the horizontal maximum of a vector.