No it's 2^37 on a 64 bit machine. This is due to the 32 bit type used for the limb count in the mpz_t struct.
If you want to use larger integers, use the mpn functions as I explained. On Tue, 27 Oct 2020 at 05:58, Gaj Satha <gaj.sa...@gmail.com> wrote: > > Is it correct in saying that these limits (41 billion) is related to > sizeof(int) = 4? > > My machine has sizeof(int) = 8, so I can allocate much more than 4GB using > malloc. Will I still suffer from this limit of I can go much beyond it? > > > On 3/10/20 1:57 AM, 'Bill Hart' via mpir-devel wrote: > > The limits in MPIR are the same. > > In order to get around the limit, you can use the mpn layer of functions. > > On Tue, 10 Mar 2020 at 09:56, Gaj Satha <gaj.sa...@gmail.com> wrote: >> >> Hi: >> >> Are there any limits on the size of mpz_t in MPIR (Other than availble >> memory)? >> >> I came to know that GNU GMP had limit of 41 billion on mpz_t sometime back >> (as per https://gmplib.org/list-archives/gmp-discuss/2016-July/006013.html), >> which they plan to remove but I don't know if it has been removed. >> >> Please let me know. I need to calculate digits to 50 trillion. >> >> Gaj >> >> >> -- >> You received this message because you are subscribed to the Google Groups >> "mpir-devel" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to mpir-devel+unsubscr...@googlegroups.com. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/mpir-devel/6a7df5d9-d3cb-451e-a249-d8ec5c309c21%40googlegroups.com. > > -- > You received this message because you are subscribed to the Google Groups > "mpir-devel" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to mpir-devel+unsubscr...@googlegroups.com. > To view this discussion on the web visit > https://groups.google.com/d/msgid/mpir-devel/CAB0xFntteZYVVGSeK0UKe-hch8p%3DG25Oczp6_B2Jm-_segyQKg%40mail.gmail.com. > > -- > You received this message because you are subscribed to the Google Groups > "mpir-devel" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to mpir-devel+unsubscr...@googlegroups.com. > To view this discussion on the web visit > https://groups.google.com/d/msgid/mpir-devel/b4a3cdaf-ee75-a07b-2d48-314c2f3ed241%40gmail.com. -- You received this message because you are subscribed to the Google Groups "mpir-devel" group. To unsubscribe from this group and stop receiving emails from it, send an email to mpir-devel+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/mpir-devel/CAB0xFnuh6pjhyrQyMoRJzy5N7t7G1GHiaULtnou7P_8o71pOFQ%40mail.gmail.com.
