diff options
Diffstat (limited to 'Build/source/libs/mpfr/mpfr-src/src/get_q.c')
-rw-r--r-- | Build/source/libs/mpfr/mpfr-src/src/get_q.c | 63 |
1 files changed, 0 insertions, 63 deletions
diff --git a/Build/source/libs/mpfr/mpfr-src/src/get_q.c b/Build/source/libs/mpfr/mpfr-src/src/get_q.c deleted file mode 100644 index a7c659b5639..00000000000 --- a/Build/source/libs/mpfr/mpfr-src/src/get_q.c +++ /dev/null @@ -1,63 +0,0 @@ -/* mpfr_get_q -- get a multiple-precision rational from - a floating-point number - -Copyright 2004, 2006-2020 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. */ - -#include "mpfr-impl.h" - -#ifndef MPFR_USE_MINI_GMP -/* part of the code was copied from get_z.c */ -void -mpfr_get_q (mpq_ptr q, mpfr_srcptr f) -{ - mpfr_exp_t exp; - mpz_ptr u = mpq_numref (q); - mpz_ptr v = mpq_denref (q); - - /* v is set to 1 and will not be changed directly. - This ensures that q will be canonical. */ - mpz_set_ui (v, 1); - - if (MPFR_UNLIKELY (MPFR_IS_SINGULAR (f))) - { - if (MPFR_UNLIKELY (MPFR_NOTZERO (f))) - MPFR_SET_ERANGEFLAG (); - mpz_set_ui (u, 0); - /* The ternary value is 0 even for infinity. Giving the rounding - direction in this case would not make much sense anyway, and - the direction would not necessarily match rnd. */ - } - else - { - exp = mpfr_get_z_2exp (u, f); - if (exp >= 0) - { - MPFR_ASSERTN (exp <= (mp_bitcnt_t) -1); - mpz_mul_2exp (u, u, exp); - } - else /* exp < 0 */ - { - MPFR_ASSERTN (-exp <= (mp_bitcnt_t) -1); - mpq_div_2exp (q, q, -exp); - } - } -} -#endif |