On Wednesday, October 7, 2015 at 8:03:15 PM UTC+2, Bill Hart wrote: > > > > On Wednesday, 7 October 2015 19:48:54 UTC+2, bluescarni wrote: >> >> PARI requires (required?) sizeof(mp_limb_t)==sizeof(void*), which is not >> guaranteed and not enforceable by PARI (as it's up to GMP to decide what >> exactly an mp_limb_t is). >> > > I think I understand now. I was misled by the person claiming Pari > required sizeof(long) == sizeof(void*) and Bill Allombert debunking it. > Bill was of course correct (he is a Pari dev). > Pari also needed till recently sizeof(long) == sizeof(void*) Look at http://pari.math.u-bordeaux.fr/cgi-bin/gitweb.cgi?p=pari.git;a=blob;f=src/headers/parigen.h;h=b8347dcfedd3e98154238faa4cb6eb04ce80d810;hb=HEAD#l16 This is dark magic to ensure that long get defined as long long on Windows 64. This is also mentioned at page 5 here: raim2013.lip6.fr/theme/PDF/*PARI*- *GP*/[Belabas]*PARI*_*GP*.pdf
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