Python mpf_e Examples

Example #1

File: evalf.py Project: smichr/sympy

def _create_evalf_table():
    global evalf_table
    evalf_table = {
        C.Symbol: evalf_symbol,
        C.Dummy: evalf_symbol,
        C.Float: lambda x, prec, options: (x._mpf_, None, prec, None),
        C.Rational: lambda x, prec, options: (from_rational(x.p, x.q, prec), None, prec, None),
        C.Integer: lambda x, prec, options: (from_int(x.p, prec), None, prec, None),
        C.Zero: lambda x, prec, options: (None, None, prec, None),
        C.One: lambda x, prec, options: (fone, None, prec, None),
        C.Half: lambda x, prec, options: (fhalf, None, prec, None),
        C.Pi: lambda x, prec, options: (mpf_pi(prec), None, prec, None),
        C.Exp1: lambda x, prec, options: (mpf_e(prec), None, prec, None),
        C.ImaginaryUnit: lambda x, prec, options: (None, fone, None, prec),
        C.NegativeOne: lambda x, prec, options: (fnone, None, prec, None),
        C.NaN: lambda x, prec, options: (fnan, None, prec, None),
        C.exp: lambda x, prec, options: evalf_pow(C.Pow(S.Exp1, x.args[0], evaluate=False), prec, options),
        C.cos: evalf_trig,
        C.sin: evalf_trig,
        C.Add: evalf_add,
        C.Mul: evalf_mul,
        C.Pow: evalf_pow,
        C.log: evalf_log,
        C.atan: evalf_atan,
        C.Abs: evalf_abs,
        C.re: evalf_re,
        C.im: evalf_im,
        C.floor: evalf_floor,
        C.ceiling: evalf_ceiling,
        C.Integral: evalf_integral,
        C.Sum: evalf_sum,
        C.Piecewise: evalf_piecewise,
        C.bernoulli: evalf_bernoulli,
    }

Example #2

def _create_evalf_table():
    global evalf_table
    evalf_table = {
        C.Symbol: evalf_symbol,
        C.Dummy: evalf_symbol,
        C.Float: lambda x, prec, options: (x._mpf_, None, prec, None),
        C.Rational: lambda x, prec, options: (from_rational(x.p, x.q, prec), None, prec, None),
        C.Integer: lambda x, prec, options: (from_int(x.p, prec), None, prec, None),
        C.Zero: lambda x, prec, options: (None, None, prec, None),
        C.One: lambda x, prec, options: (fone, None, prec, None),
        C.Half: lambda x, prec, options: (fhalf, None, prec, None),
        C.Pi: lambda x, prec, options: (mpf_pi(prec), None, prec, None),
        C.Exp1: lambda x, prec, options: (mpf_e(prec), None, prec, None),
        C.ImaginaryUnit: lambda x, prec, options: (None, fone, None, prec),
        C.NegativeOne: lambda x, prec, options: (fnone, None, prec, None),
        C.NaN : lambda x, prec, options: (fnan, None, prec, None),

        C.exp: lambda x, prec, options: evalf_pow(C.Pow(S.Exp1, x.args[0],
        evaluate=False), prec, options),

        C.cos: evalf_trig,
        C.sin: evalf_trig,

        C.Add: evalf_add,
        C.Mul: evalf_mul,
        C.Pow: evalf_pow,

        C.log: evalf_log,
        C.atan: evalf_atan,
        C.Abs: evalf_abs,

        C.re: evalf_re,
        C.im: evalf_im,
        C.floor: evalf_floor,
        C.ceiling: evalf_ceiling,

        C.Integral: evalf_integral,
        C.Sum: evalf_sum,
        C.Product: evalf_prod,
        C.Piecewise: evalf_piecewise,

        C.bernoulli: evalf_bernoulli,
    }

Example #3

File: numbers.py Project: goriccardo/sympy

 def _as_mpf_val(self, prec):
     return mpf_e(prec)

Example #4

File: numbers.py Project: NO2/sympy

 def _as_mpf_val(self, prec):
     return mpf_e(prec)