__kernel_cospif
return (__kernel_cospif(ax));
c = -__kernel_cospif(1 - ax);
c = ix == 0 ? 1 : __kernel_cospif(ax);
c = -__kernel_cospif(1 - ax);
s = __kernel_cospif(0.5F - ax);
s = __kernel_cospif(ax - 0.5F);
s = __kernel_cospif(0.5F - ax);
s = __kernel_cospif(ax - 0.5F);