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authorDenis Bitouzé <dbitouze@wanadoo.fr>2021-02-25 18:23:07 +0000
committerDenis Bitouzé <dbitouze@wanadoo.fr>2021-02-25 18:23:07 +0000
commitc6101f91d071883b48b1b4b51e5eba0f36d9a78d (patch)
tree1bf7f5a881d7a4f5c5bf59d0b2821943dd822372 /Build/source/libs/mpfr/mpfr-src/src/expm1.c
parent07ee7222e389b0777456b427a55c22d0e6ffd267 (diff)
French translation for tlmgr updated
git-svn-id: svn://tug.org/texlive/trunk@57912 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Build/source/libs/mpfr/mpfr-src/src/expm1.c')
-rw-r--r--Build/source/libs/mpfr/mpfr-src/src/expm1.c172
1 files changed, 0 insertions, 172 deletions
diff --git a/Build/source/libs/mpfr/mpfr-src/src/expm1.c b/Build/source/libs/mpfr/mpfr-src/src/expm1.c
deleted file mode 100644
index cf67f24ca55..00000000000
--- a/Build/source/libs/mpfr/mpfr-src/src/expm1.c
+++ /dev/null
@@ -1,172 +0,0 @@
-/* mpfr_expm1 -- Compute exp(x)-1
-
-Copyright 2001-2020 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. */
-
-#define MPFR_NEED_LONGLONG_H
-#include "mpfr-impl.h"
-
- /* The computation of expm1 is done by
- expm1(x)=exp(x)-1
- */
-
-int
-mpfr_expm1 (mpfr_ptr y, mpfr_srcptr x , mpfr_rnd_t rnd_mode)
-{
- int inexact;
- mpfr_exp_t ex;
- MPFR_SAVE_EXPO_DECL (expo);
-
- MPFR_LOG_FUNC
- (("x[%Pu]=%.*Rg rnd=%d", mpfr_get_prec (x), mpfr_log_prec, x, rnd_mode),
- ("y[%Pu]=%.*Rg inexact=%d", mpfr_get_prec (y), mpfr_log_prec, y,
- inexact));
-
- if (MPFR_UNLIKELY (MPFR_IS_SINGULAR (x)))
- {
- if (MPFR_IS_NAN (x))
- {
- MPFR_SET_NAN (y);
- MPFR_RET_NAN;
- }
- /* check for inf or -inf (expm1(-inf)=-1) */
- else if (MPFR_IS_INF (x))
- {
- if (MPFR_IS_POS (x))
- {
- MPFR_SET_INF (y);
- MPFR_SET_POS (y);
- MPFR_RET (0);
- }
- else
- return mpfr_set_si (y, -1, rnd_mode);
- }
- else
- {
- MPFR_ASSERTD (MPFR_IS_ZERO (x));
- MPFR_SET_ZERO (y); /* expm1(+/- 0) = +/- 0 */
- MPFR_SET_SAME_SIGN (y, x);
- MPFR_RET (0);
- }
- }
-
- ex = MPFR_GET_EXP (x);
- if (ex < 0)
- {
- /* For -1 < x < 0, abs(expm1(x)-x) < x^2/2.
- For 0 < x < 1, abs(expm1(x)-x) < x^2. */
- if (MPFR_IS_POS (x))
- MPFR_FAST_COMPUTE_IF_SMALL_INPUT (y, x, - ex, 0, 1, rnd_mode, {});
- else
- MPFR_FAST_COMPUTE_IF_SMALL_INPUT (y, x, - ex, 1, 0, rnd_mode, {});
- }
-
- MPFR_SAVE_EXPO_MARK (expo);
-
- if (MPFR_IS_NEG (x) && ex > 5) /* x <= -32 */
- {
- mp_limb_t t_limb[(64 - 1) / GMP_NUMB_BITS + 1];
- mpfr_t t;
- mpfr_eexp_t err;
-
- MPFR_TMP_INIT1(t_limb, t, 64);
- /* since x < 0, to get an upper bound on x/log(2), we need to divide
- by an upper bound on log(2) */
- mpfr_div (t, x, __gmpfr_const_log2_RNDU, MPFR_RNDU); /* > x / ln(2) */
- err = mpfr_get_exp_t (t, MPFR_RNDU);
- MPFR_ASSERTD (err < 0);
- err = err < - MPFR_EXP_MAX ? MPFR_EXP_MAX : - err;
- /* err = -max(ceil(t),-MPFR_EXP_MAX). */
- MPFR_LOG_MSG (("err=%" MPFR_EXP_FSPEC "d\n", err));
- /* exp(x) = 2^(x/ln(2))
- <= 2^max(-MPFR_EXP_MAX,ceil(x/ln(2)+epsilon))
- with epsilon > 0 */
- MPFR_SMALL_INPUT_AFTER_SAVE_EXPO (y, __gmpfr_mone, (mpfr_exp_t) err,
- 0, 0, rnd_mode, expo, {});
- }
-
- /* General case */
- {
- /* Declaration of the intermediary variable */
- mpfr_t t;
- /* Declaration of the size variable */
- mpfr_prec_t Ny = MPFR_PREC(y); /* target precision */
- mpfr_prec_t Nt; /* working precision */
- mpfr_exp_t err, exp_te; /* error */
- MPFR_ZIV_DECL (loop);
-
- /* compute the precision of intermediary variable */
- /* the optimal number of bits : see algorithms.tex */
- Nt = Ny + MPFR_INT_CEIL_LOG2 (Ny) + 6;
-
- /* if |x| is smaller than 2^(-e), we will loose about e bits in the
- subtraction exp(x) - 1 */
- if (ex < 0)
- Nt += - ex;
-
- /* initialize auxiliary variable */
- mpfr_init2 (t, Nt);
-
- /* First computation of expm1 */
- MPFR_ZIV_INIT (loop, Nt);
- for (;;)
- {
- MPFR_BLOCK_DECL (flags);
-
- /* exp(x) may overflow and underflow */
- MPFR_BLOCK (flags, mpfr_exp (t, x, MPFR_RNDN));
-
- if (MPFR_OVERFLOW (flags)) /* overflow case */
- {
- inexact = mpfr_overflow (y, rnd_mode, MPFR_SIGN_POS);
- MPFR_SAVE_EXPO_UPDATE_FLAGS (expo, MPFR_FLAGS_OVERFLOW);
- break;
- }
-
- /* To get an underflow in exp(x), we need exp(x) < 0.5*2^MPFR_EMIN_MIN
- thus x/log(2) < MPFR_EMIN_MIN-1. But in that case the above
- MPFR_SMALL_INPUT_AFTER_SAVE_EXPO() will return the result. */
- MPFR_ASSERTD(!MPFR_UNDERFLOW (flags));
-
- exp_te = MPFR_GET_EXP (t);
- mpfr_sub_ui (t, t, 1, MPFR_RNDN); /* exp(x)-1 */
-
- /* error estimate */
- /*err=Nt-(__gmpfr_ceil_log2(1+pow(2,MPFR_EXP(te)-MPFR_EXP(t))));*/
- err = Nt - (MAX (exp_te - MPFR_GET_EXP (t), 0) + 1);
-
- if (MPFR_LIKELY (MPFR_CAN_ROUND (t, err, Ny, rnd_mode)))
- {
- inexact = mpfr_set (y, t, rnd_mode);
- break;
- }
-
- /* increase the precision */
- MPFR_ZIV_NEXT (loop, Nt);
- mpfr_set_prec (t, Nt);
- }
- MPFR_ZIV_FREE (loop);
-
- mpfr_clear (t);
- }
-
- MPFR_SAVE_EXPO_FREE (expo);
- return mpfr_check_range (y, inexact, rnd_mode);
-}