Laboratoire de l'Informatique et du Parallélisme » Pobyso

#cimport cython 

from libc.stdlib          cimport malloc,free

from sage.rings.rational cimport *

#

# Sage file in the cimport closes are in <sage_dir>/src/sage directory.

#

#

# Functions to manipulate the real Rational values.

#

# Import constants and declarations that are not exported

# from the Sage real_mpfr.pyx file.

# Notes:

# - notice how #define constants are imported.

# - before mpfr_min_prec() is declared, we need to "ctypedef" mpfr_prec_t

#   if we want to be consistent with MPFR notations. The actual type comes 

#   from mpfr.h but, according to documentation, any type of same general 

#   kind would have been OK.

cpdef inline unsigned long int sgmp_get_rational_value(Rational x):

    """

    Get the address of the value of a Rational.

    """

    return(<unsigned long int>(&(x.value)))

# End sgmp_get_rational.