if f := Sin(vf[i]); !veryclose(sin[i], f) {
			t.Errorf("Sin(%g) = %g, want %g", vf[i], f, sin[i])
		}
	}
	for i := 0; i < len(vfsinSC); i++ {
		if f := Sin(vfsinSC[i]); !alike(sinSC[i], f) {
			t.Errorf("Sin(%g) = %g, want %g", vfsinSC[i], f, sinSC[i])
		}
	}
}

func TestSincos(t *testing.T) {
	for i := 0; i < len(vf); i++ {
		if s, c := Sincos(vf[i]); !veryclose(sin[i], s) || !veryclose(cos[i], c) {