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-rw-r--r--Build/source/libs/mpfr/mpfr-src/src/tan.c89
1 files changed, 0 insertions, 89 deletions
diff --git a/Build/source/libs/mpfr/mpfr-src/src/tan.c b/Build/source/libs/mpfr/mpfr-src/src/tan.c
deleted file mode 100644
index ccdaa907a8b..00000000000
--- a/Build/source/libs/mpfr/mpfr-src/src/tan.c
+++ /dev/null
@@ -1,89 +0,0 @@
-/* mpfr_tan -- tangent of a floating-point number
-
-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"
-
-/* computes tan(x) = sign(x)*sqrt(1/cos(x)^2-1) */
-int
-mpfr_tan (mpfr_ptr y, mpfr_srcptr x, mpfr_rnd_t rnd_mode)
-{
- mpfr_prec_t precy, m;
- int inexact;
- mpfr_t s, c;
- MPFR_ZIV_DECL (loop);
- MPFR_SAVE_EXPO_DECL (expo);
- MPFR_GROUP_DECL (group);
-
- 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_IS_INF(x))
- {
- MPFR_SET_NAN(y);
- MPFR_RET_NAN;
- }
- else /* x is zero */
- {
- MPFR_ASSERTD(MPFR_IS_ZERO(x));
- MPFR_SET_ZERO(y);
- MPFR_SET_SAME_SIGN(y, x);
- MPFR_RET(0);
- }
- }
-
- /* tan(x) = x + x^3/3 + ... so the error is < 2^(3*EXP(x)-1) */
- MPFR_FAST_COMPUTE_IF_SMALL_INPUT (y, x, -2 * MPFR_GET_EXP (x), 1, 1,
- rnd_mode, {});
-
- MPFR_SAVE_EXPO_MARK (expo);
-
- /* Compute initial precision */
- precy = MPFR_PREC (y);
- m = precy + MPFR_INT_CEIL_LOG2 (precy) + 13;
- MPFR_ASSERTD (m >= 2); /* needed for the error analysis in algorithms.tex */
-
- MPFR_GROUP_INIT_2 (group, m, s, c);
- MPFR_ZIV_INIT (loop, m);
- for (;;)
- {
- /* The only way to get an overflow is to get ~ Pi/2
- But the result will be ~ 2^Prec(y). */
- mpfr_sin_cos (s, c, x, MPFR_RNDN); /* err <= 1/2 ulp on s and c */
- mpfr_div (c, s, c, MPFR_RNDN); /* err <= 4 ulps */
- MPFR_ASSERTD (!MPFR_IS_SINGULAR (c));
- if (MPFR_LIKELY (MPFR_CAN_ROUND (c, m - 2, precy, rnd_mode)))
- break;
- MPFR_ZIV_NEXT (loop, m);
- MPFR_GROUP_REPREC_2 (group, m, s, c);
- }
- MPFR_ZIV_FREE (loop);
- inexact = mpfr_set (y, c, rnd_mode);
- MPFR_GROUP_CLEAR (group);
-
- MPFR_SAVE_EXPO_FREE (expo);
- return mpfr_check_range (y, inexact, rnd_mode);
-}