diff options
Diffstat (limited to 'Build/source/libs/mpfr/mpfr-src/src/fmma.c')
-rw-r--r-- | Build/source/libs/mpfr/mpfr-src/src/fmma.c | 92 |
1 files changed, 0 insertions, 92 deletions
diff --git a/Build/source/libs/mpfr/mpfr-src/src/fmma.c b/Build/source/libs/mpfr/mpfr-src/src/fmma.c deleted file mode 100644 index 492e545e58f..00000000000 --- a/Build/source/libs/mpfr/mpfr-src/src/fmma.c +++ /dev/null @@ -1,92 +0,0 @@ -/* mpfr_fmma, mpfr_fmms -- Compute a*b +/- c*d - -Copyright 2014-2020 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" - -/* compute a*b+c*d if neg=0 (fmma), a*b-c*d otherwise (fmms) */ -static int -mpfr_fmma_aux (mpfr_ptr z, mpfr_srcptr a, mpfr_srcptr b, mpfr_srcptr c, - mpfr_srcptr d, mpfr_rnd_t rnd, int neg) -{ - mpfr_ubf_t u, v; - mpfr_t zz; - mpfr_prec_t prec_z = MPFR_PREC(z); - mp_size_t un, vn; - mpfr_limb_ptr up, vp, zp; - int inex; - MPFR_TMP_DECL(marker); - - MPFR_LOG_FUNC - (("a[%Pu]=%.*Rg b[%Pu]=%.*Rg c[%Pu]=%.*Rg d[%Pu]=%.*Rg rnd=%d neg=%d", - mpfr_get_prec (a), mpfr_log_prec, a, - mpfr_get_prec (b), mpfr_log_prec, b, - mpfr_get_prec (c), mpfr_log_prec, c, - mpfr_get_prec (d), mpfr_log_prec, d, rnd, neg), - ("z[%Pu]=%.*Rg inex=%d", - mpfr_get_prec (z), mpfr_log_prec, z, inex)); - - MPFR_TMP_MARK (marker); - - un = MPFR_LIMB_SIZE (a) + MPFR_LIMB_SIZE (b); - vn = MPFR_LIMB_SIZE (c) + MPFR_LIMB_SIZE (d); - MPFR_TMP_INIT (up, u, (mpfr_prec_t) un * GMP_NUMB_BITS, un); - MPFR_TMP_INIT (vp, v, (mpfr_prec_t) vn * GMP_NUMB_BITS, vn); - - mpfr_ubf_mul_exact (u, a, b); - mpfr_ubf_mul_exact (v, c, d); - if (prec_z == MPFR_PREC(a) && prec_z == MPFR_PREC(b) && - prec_z == MPFR_PREC(c) && prec_z == MPFR_PREC(d) && - un == MPFR_PREC2LIMBS(2 * prec_z)) - { - MPFR_TMP_INIT (zp, zz, 2 * prec_z, un); - MPFR_PREC(u) = MPFR_PREC(v) = 2 * prec_z; - inex = (neg == 0) ? mpfr_add (zz, (mpfr_srcptr) u, (mpfr_srcptr) v, rnd) - : mpfr_sub (zz, (mpfr_srcptr) u, (mpfr_srcptr) v, rnd); - inex = mpfr_set_1_2 (z, zz, rnd, inex); - } - else - inex = (neg == 0) ? mpfr_add (z, (mpfr_srcptr) u, (mpfr_srcptr) v, rnd) - : mpfr_sub (z, (mpfr_srcptr) u, (mpfr_srcptr) v, rnd); - - MPFR_UBF_CLEAR_EXP (u); - MPFR_UBF_CLEAR_EXP (v); - - MPFR_TMP_FREE (marker); - - return inex; -} - -/* z <- a*b + c*d */ -int -mpfr_fmma (mpfr_ptr z, mpfr_srcptr a, mpfr_srcptr b, mpfr_srcptr c, - mpfr_srcptr d, mpfr_rnd_t rnd) -{ - return mpfr_fmma_aux (z, a, b, c, d, rnd, 0); -} - -/* z <- a*b - c*d */ -int -mpfr_fmms (mpfr_ptr z, mpfr_srcptr a, mpfr_srcptr b, mpfr_srcptr c, - mpfr_srcptr d, mpfr_rnd_t rnd) -{ - return mpfr_fmma_aux (z, a, b, c, d, rnd, 1); -} |