""" If the user changes the exponent range, it is her/his
responsibility to check that all current floating-point variables are
in the new allowed range (for example using mpfr_check_range),
otherwise the subsequent behavior will be undefined, in the sense of
the ISO C standard. """
This looks dau
I'm teaching numerical analysis next semester, so I'm investigating how
we can use Sage's great support for specifying precision to explain some
topics. I'd like to limit the exponents that a number in a RealField
can have (for example, the exponent must be 0, 1, or -1. I see that
mpfr suppor
