/* MPFR internal header related to intmax_t. Copyright 2004-2021 Free Software Foundation, Inc. Contributed by the AriC and Caramba projects, INRIA. This file is part of the GNU MPFR Library. The GNU MPFR Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. The GNU MPFR Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU MPFR Library; see the file COPYING.LESSER. If not, see https://www.gnu.org/licenses/ or write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. */ /* If you need something defined here, do not include this header file directly, but define the MPFR_NEED_INTMAX_H macro before including "mpfr-impl.h" (or "mpfr-test.h" in the tests). This will ensure that this header file "mpfr-intmax.h" is included in a consistent way, thus avoiding the various cases that could otherwise be obtained on different platforms and compilation options. Note that in particular, it needs (always included first in "mpfr-impl.h") if or does not exist or does not work. It also needs "config.h" if used (HAVE_CONFIG_H defined), but "config.h" is also included first in "mpfr-impl.h". */ #ifndef MPFR_NEED_INTMAX_H # error "Never include mpfr-intmax.h directly; define MPFR_NEED_INTMAX_H instead." #endif #ifndef __MPFR_INTMAX_H__ #define __MPFR_INTMAX_H__ /* The ISO C99 standard specifies that in C++ implementations the * INTMAX_MAX, ... macros should only be defined if explicitly requested. */ #if defined __cplusplus # define __STDC_LIMIT_MACROS # define __STDC_CONSTANT_MACROS #endif /* The definition of MPFR_USE_INTMAX_T is needed on systems for which * the current (non-standard) macro tests in mpfr.h is not sufficient. * This will force the support of intmax_t/uintmax_t if * and/or are available. This also avoids a failure in the * tests (replace the macro tests in mpfr.h by just * #if defined (MPFR_USE_INTMAX_T) * to simulate such a system and reproduce the problem). * Note: if this makes the build fail on some systems (because these * headers are broken), we will need a configure test to undefine * HAVE_INTTYPES_H and HAVE_STDINT_H in such a case. */ #if HAVE_INTTYPES_H # include # define MPFR_USE_INTMAX_T #endif #if HAVE_STDINT_H # include # define MPFR_USE_INTMAX_T #endif /* Largest integer type available and fully working for the MPFR build (may be smaller than intmax_t / uintmax_t if NPRINTF_J is defined). */ #if defined(MPFR_USE_INTMAX_T) && !defined(NPRINTF_J) typedef uintmax_t mpfr_uintmax_t; typedef intmax_t mpfr_intmax_t; # define MPFR_UINTMAX_MAX UINTMAX_MAX # define MPFR_INTMAX_MAX INTMAX_MAX # define MPFR_INTMAX_MIN INTMAX_MIN # define MPFR_INTMAX_FSPEC "j" #elif defined(HAVE_LONG_LONG) && !defined(NPRINTF_LL) typedef unsigned long long mpfr_uintmax_t; typedef long long mpfr_intmax_t; #if defined(ULLONG_MAX) /* standard */ # define MPFR_UINTMAX_MAX ULLONG_MAX # define MPFR_INTMAX_MAX LLONG_MAX # define MPFR_INTMAX_MIN LLONG_MIN #elif defined(ULONGLONG_MAX) /* Silicon Graphics IRIX 6.5 with native /usr/bin/cc */ # define MPFR_UINTMAX_MAX ULONGLONG_MAX # define MPFR_INTMAX_MAX LONGLONG_MAX # define MPFR_INTMAX_MIN LONGLONG_MIN #else /* We do not know any platform in this case (but this case would be a bug). Let's give an error. A workaround should be possible, but it should be tested first. */ # error "Neither ULLONG_MAX nor ULONGLONG_MAX is defined." #endif # define MPFR_INTMAX_FSPEC "ll" #else typedef unsigned long mpfr_uintmax_t; typedef long mpfr_intmax_t; # define MPFR_UINTMAX_MAX ULONG_MAX # define MPFR_INTMAX_MAX LONG_MAX # define MPFR_INTMAX_MIN LONG_MIN # define MPFR_INTMAX_FSPEC "l" #endif #endif