__kernel_sincos
__kernel_sincos(x, 0, 0, sn, cs);
__kernel_sincos(y[0], y[1], 1, sn, cs);
__kernel_sincos(y[0], y[1], 1, cs, sn);
__kernel_sincos(y[0], y[1], 1, sn, cs);
__kernel_sincos(y[0], y[1], 1, cs, sn);