Ciao, Il Mar, 13 Marzo 2018 5:46 pm, Vincent Lefevre ha scritto: > On 2018-03-13 17:29:48 +0100, Marc Glisse wrote: >> just assume that float.h is always available nowadays. Or even assume >> that all double are 64-bit binary IEEE numbers...
#if defined(USE_FLOAT_H) #include <float.h> #endif #if defined(DBL_MANT_DIG) && FLT_RADIX == 2 #define GMP_BITS_PER_DOUBLE DBL_MANT_DIG #endif #if !defined(GMP_BITS_PER_DOUBLE) #define GMP_BITS_PER_DOUBLE (53) #endif > I'd also say that <float.h> can be assumed to be available. mini-gmp is used to bootstrap GMP... should we assume something for mini- if we do nota assume it for GMP? On the other side, while bootstraping, mini-gmp is not used for conversions to/from double. In my opinion we can live with a mini-gmp that by dafault is exact only for 64-bit binary IEEE numbers, as Marc suggests, and can be adapted to other formats with some user intervention. Ĝis, m -- http://bodrato.it/papers/ _______________________________________________ gmp-devel mailing list gmp-devel@gmplib.org https://gmplib.org/mailman/listinfo/gmp-devel
