mpmath.libmp.libmpf has rounding and conversion tools Are you working with python floats? Will this work:
def interval(f, dec): m = 10**dec ff = math.floor(f*m)/m if f == ff: return f, f return ff, ff+1/m -- You received this message because you are subscribed to the Google Groups "sympy" group. To post to this group, send email to sympy@googlegroups.com. To unsubscribe from this group, send email to sympy+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/sympy?hl=en.
