def evalf_atan(v, prec, options): arg = v.args[0] xre, xim, reacc, imacc = evalf(arg, prec + 5, options) if xre is xim is None: return (None, ) * 4 if xim: raise NotImplementedError return mpf_atan(xre, prec, rnd), None, prec, None
def evalf_atan(v, prec, options): arg = v.args[0] xre, xim, reacc, imacc = evalf(arg, prec + 5, options) if xre is xim is None: return (None,)*4 if xim: raise NotImplementedError return mpf_atan(xre, prec, rnd), None, prec, None