def intpower()

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

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

    def intpower(self, pwr):
        """Compute integer power by repeated squaring"""
        assert isinstance(pwr, int)
        invert = False
        if pwr < 0:
            pwr *= -1
            invert = True
        result = self.family.unity
        term = self
        while True:
            if pwr & 1:
                result *= term
            pwr >>= 1
            if not pwr:
                break
            term *= term
        if invert:
            result = FXnum(1, self.family) / result
        return result