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-rw-r--r--Build/source/libs/mpfr/mpfr-src/src/cosh.c128
1 files changed, 0 insertions, 128 deletions
diff --git a/Build/source/libs/mpfr/mpfr-src/src/cosh.c b/Build/source/libs/mpfr/mpfr-src/src/cosh.c
deleted file mode 100644
index 4e878331590..00000000000
--- a/Build/source/libs/mpfr/mpfr-src/src/cosh.c
+++ /dev/null
@@ -1,128 +0,0 @@
-/* mpfr_cosh -- hyperbolic cosine
-
-Copyright 2001-2002, 2004-2020 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 cosh is done by *
- * cosh= 1/2[e^(x)+e^(-x)] */
-
-int
-mpfr_cosh (mpfr_ptr y, mpfr_srcptr xt , mpfr_rnd_t rnd_mode)
-{
- mpfr_t x;
- int inexact;
- MPFR_SAVE_EXPO_DECL (expo);
-
- MPFR_LOG_FUNC (
- ("x[%Pu]=%*.Rg rnd=%d", mpfr_get_prec (xt), mpfr_log_prec, xt, rnd_mode),
- ("y[%Pu]=%*.Rg inexact=%d", mpfr_get_prec (y), mpfr_log_prec, y,
- inexact));
-
- if (MPFR_UNLIKELY(MPFR_IS_SINGULAR(xt)))
- {
- if (MPFR_IS_NAN(xt))
- {
- MPFR_SET_NAN(y);
- MPFR_RET_NAN;
- }
- else if (MPFR_IS_INF(xt))
- {
- MPFR_SET_INF(y);
- MPFR_SET_POS(y);
- MPFR_RET(0);
- }
- else
- {
- MPFR_ASSERTD(MPFR_IS_ZERO(xt));
- return mpfr_set_ui (y, 1, rnd_mode); /* cosh(0) = 1 */
- }
- }
-
- MPFR_SAVE_EXPO_MARK (expo);
-
- /* cosh(x) = 1+x^2/2 + ... <= 1+x^2 for x <= 2.9828...,
- thus the error < 2^(2*EXP(x)). If x >= 1, then EXP(x) >= 1,
- thus the following will always fail. */
- MPFR_FAST_COMPUTE_IF_SMALL_INPUT (y, __gmpfr_one, -2 * MPFR_GET_EXP (xt), 0,
- 1, rnd_mode, inexact = _inexact; goto end);
-
- MPFR_TMP_INIT_ABS(x, xt);
- /* General case */
- {
- /* Declaration of the intermediary variable */
- mpfr_t t, te;
- /* Declaration of the size variable */
- mpfr_prec_t Ny = MPFR_PREC(y); /* Precision of output variable */
- mpfr_prec_t Nt; /* Precision of the intermediary variable */
- long int err; /* Precision of error */
- MPFR_ZIV_DECL (loop);
- MPFR_GROUP_DECL (group);
-
- /* compute the precision of intermediary variable */
- /* The optimal number of bits : see algorithms.tex */
- Nt = Ny + 3 + MPFR_INT_CEIL_LOG2 (Ny);
-
- /* initialize of intermediary variables */
- MPFR_GROUP_INIT_2 (group, Nt, t, te);
-
- /* First computation of cosh */
- MPFR_ZIV_INIT (loop, Nt);
- for (;;)
- {
- MPFR_BLOCK_DECL (flags);
-
- /* Compute cosh */
- MPFR_BLOCK (flags, mpfr_exp (te, x, MPFR_RNDD)); /* exp(x) */
- /* exp can overflow (but not underflow since x>0) */
- if (MPFR_OVERFLOW (flags))
- /* cosh(x) > exp(x), cosh(x) underflows too */
- {
- inexact = mpfr_overflow (y, rnd_mode, MPFR_SIGN_POS);
- MPFR_SAVE_EXPO_UPDATE_FLAGS (expo, MPFR_FLAGS_OVERFLOW);
- break;
- }
- mpfr_ui_div (t, 1, te, MPFR_RNDU); /* 1/exp(x) */
- mpfr_add (t, te, t, MPFR_RNDU); /* exp(x) + 1/exp(x)*/
- mpfr_div_2ui (t, t, 1, MPFR_RNDN); /* 1/2(exp(x) + 1/exp(x))*/
-
- /* Estimation of the error */
- err = Nt - 3;
- /* Check if we can round */
- if (MPFR_LIKELY (MPFR_CAN_ROUND (t, err, Ny, rnd_mode)))
- {
- inexact = mpfr_set (y, t, rnd_mode);
- break;
- }
-
- /* Actualisation of the precision */
- MPFR_ZIV_NEXT (loop, Nt);
- MPFR_GROUP_REPREC_2 (group, Nt, t, te);
- }
- MPFR_ZIV_FREE (loop);
- MPFR_GROUP_CLEAR (group);
- }
-
- end:
- MPFR_SAVE_EXPO_FREE (expo);
- return mpfr_check_range (y, inexact, rnd_mode);
-}