On Jan 4, 6:56 pm, Bill Hart <goodwillh...@googlemail.com> wrote:
> It looks like we have the following in mpir.h:
>
> #if defined (_CRAY) && ! defined (_CRAYMPP)
> /* plain `int' is much faster (48 bits) */
> #define __GMP_MP_SIZE_T_INT 1
> typedef int mp_size_t;
> typedef 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
>
> So on most linux machines we'll have mp_size_t is a long. That is
> indeed the problem for Windows. I think it is safer to guard it to
> prevent any possibility of issues. I'm unsure what happens on Sparc.
I will also have to add other options to __GMP_MP_SIZE_T_INT to set
the right follow on definitions in gmp-impl.h:
#if __GMP_MP_SIZE_T_INT
#define MP_SIZE_T_MAX INT_MAX
#define MP_SIZE_T_MIN INT_MIN
#else
#define MP_SIZE_T_MAX LONG_MAX
#define MP_SIZE_T_MIN LONG_MIN
#endif
Brian
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