We have this snippet in mpir.h:
------------------------------------------------------
#if defined( _WIN64)
#define __GMP_MP_SIZE_T_INT 0
typedef long long int mp_size_t;
typedef long int mp_exp_t;
#else
#define __GMP_MP_SIZE_T_INT 0
typedef long int mp_size_t;
typedef long int mp_exp_t;
#endif
------------------------------------------------------
which sets __GMP_MP_SIZE_T_INT to 0 but it is hardly ever used in GMP/
MPIR (as far as I can tell).
But MPFR has this in mpfr.h
------------------------------------------------------
/* Define precision : 1 (short), 2 (int) or 3 (long) (DON'T USE IT!)*/
#ifndef _MPFR_PREC_FORMAT
# if __GMP_MP_SIZE_T_INT == 1
# define _MPFR_PREC_FORMAT 2
# else
# define _MPFR_PREC_FORMAT 3
# endif
#endif
------------------------------------------------------
which sets its precision format with a comment that a value of 3
should NOT be used, But this is a value that MPIR will trigger because
__GMP_MP_SIZE_T_INT is zero!
Has anyone got any idea what __GMP_MP_SIZE_T_INT is supposed to be set
to - I assume that it is related to the length of mp_size_t but how?
Brian
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