def _rawQsine()

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

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

    def _rawQsine(self, doCos=False, doHyp=False):
        """Helper function for brute-force calculation of sine & cosine"""
        sn = self.family.zero
        if doHyp:
            x2 = self * self
        else:
            x2 = -self * self
        term = self.family.unity
        if doCos: idx = 1
        else: idx = 2
        while True:
            sn += term
            term *= x2 / (idx * (idx + 1))
            idx += 2
            if term.scaledval == 0: break
        if doCos: return sn
        else: return self * sn