(p, q, prec, rnd=round_fast)
return mpf_div(from_int(p), from_int(q), prec, rnd)
Create a raw mpf from a rational number p/q, round if
    necessary.
Create a raw mpf from a rational number p/q, round if
    necessary.
Create a raw mpf from a rational number p / q round if necessary .
def from_rational(p, q, prec, rnd=round_fast):
    """Create a raw mpf from a rational number p/q, round if
    necessary."""
    return mpf_div(from_int(p), from_int(q), prec, rnd)
def from_rational ( p , q , prec , rnd = round_fast ) : return mpf_div ( from_int ( p ) , from_int ( q ) , prec , rnd )