diff options
Diffstat (limited to 'Build/source/libs/mpfr/mpfr-src/src/dot.c')
-rw-r--r-- | Build/source/libs/mpfr/mpfr-src/src/dot.c | 59 |
1 files changed, 0 insertions, 59 deletions
diff --git a/Build/source/libs/mpfr/mpfr-src/src/dot.c b/Build/source/libs/mpfr/mpfr-src/src/dot.c deleted file mode 100644 index 9b4006c09d1..00000000000 --- a/Build/source/libs/mpfr/mpfr-src/src/dot.c +++ /dev/null @@ -1,59 +0,0 @@ -/* mpfr_dot -- dot product of two array of numbers - -Copyright 2018-2020 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" - -/* FIXME: handle intermediate overflows and underflows. */ - -/* res <- a[0]*b[0] + ... + a[n-1]*b[n-1] */ -int -mpfr_dot (mpfr_ptr res, const mpfr_ptr *a, const mpfr_ptr *b, - unsigned long n, mpfr_rnd_t rnd) -{ - mpfr_t *c; - size_t i; - int inex; - mpfr_ptr *tab; - - if (MPFR_UNLIKELY (n == 0)) - { - MPFR_SET_ZERO (res); - MPFR_SET_POS (res); - MPFR_RET (0); - } - - c = (mpfr_t *) mpfr_allocate_func (n * sizeof (mpfr_t)); - tab = (mpfr_ptr *) mpfr_allocate_func (n * sizeof (mpfr_ptr)); - for (i = 0; i < n; i++) - { - mpfr_init2 (c[i], mpfr_get_prec (a[i]) + mpfr_get_prec (b[i])); - inex = mpfr_mul (c[i], a[i], b[i], MPFR_RNDZ); /* exact except... */ - MPFR_ASSERTN (inex == 0); /* failure in case of overflow/underflow */ - tab[i] = c[i]; - } - inex = mpfr_sum (res, tab, n, rnd); - for (i = 0; i < n; i++) - mpfr_clear (c[i]); - mpfr_free_func (c, n * sizeof (mpfr_t)); - mpfr_free_func (tab, n * sizeof (mpfr_ptr)); - return inex; -} |