def sin()

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

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

    def sin(self):
        """Compute sine of given number (as angle in radians)"""
        (ang, idx, reflect) = self._angnorm()
        idx = idx % 4
        if idx == 0: sn = ang._rawQsine(False)
        elif idx == 1: sn = ang._rawQsine(True)
        elif idx == 2: sn = -ang._rawQsine(False)
        elif idx == 3: sn = -ang._rawQsine(True)
        else: raise FXbrokenError
        if reflect: sn *= -1
        return sn