def sincos()

in rtl/log/luts/FixedPoint.py [0:0]

• 12 lines of code
• 6 McCabe index (conditional complexity)

    def sincos(self):
        """Compute sine & cosine of given number (as angle in radians)"""
        (ang, idx, reflect) = self._angnorm()
        osn = ang._rawQsine(False)
        ocs = ang._rawQsine(True)
        # transform according to sin(ang+offset), cos(ang+offset):
        idx = idx % 4
        if idx == 0: (sn, cs) = (osn, ocs)
        elif idx == 1: (sn, cs) = (ocs, -osn)
        elif idx == 2: (sn, cs) = (-osn, -ocs)
        elif idx == 3: (sn, cs) = (-ocs, osn)
        else: raise FXbrokenError
        if reflect: sn *= -1
        return (sn, cs)