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mpfr
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src/set_sj.c
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Vincent Lefevre
Updated the "Contributed" lines.
02 фев 2025, 02:39
02 фев 2025, 02:39
a774f60
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/* mpfr_set_sj -- set a MPFR number from a huge machine signed integer Copyright 2004-2025 Free Software Foundation, Inc. Contributed by the Pascaline 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/>. */ #define MPFR_NEED_INTMAX_H #include "mpfr-impl.h" #ifdef _MPFR_H_HAVE_INTMAX_T int mpfr_set_sj (mpfr_ptr x, intmax_t j, mpfr_rnd_t rnd) { return mpfr_set_sj_2exp (x, j, 0, rnd); } int mpfr_set_sj_2exp (mpfr_ptr x, intmax_t j, intmax_t e, mpfr_rnd_t rnd) { if (j >= 0) return mpfr_set_uj_2exp (x, j, e, rnd); else { int inex; inex = mpfr_set_uj_2exp (x, - (uintmax_t) j, e, MPFR_INVERT_RND (rnd)); MPFR_CHANGE_SIGN (x); return -inex; } } #endif