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diff --git a/Build/source/libs/mpfr/mpfr-src/src/asinh.c b/Build/source/libs/mpfr/mpfr-src/src/asinh.c
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+/* mpfr_asinh -- inverse hyperbolic sine
+
+Copyright 2001-2015 Free Software Foundation, Inc.
+Contributed by the AriC and Caramel 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
+http://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 asinh is done by *
+ * asinh = ln(x + sqrt(x^2 + 1)) */
+
+int
+mpfr_asinh (mpfr_ptr y, mpfr_srcptr x, mpfr_rnd_t rnd_mode)
+{
+ int inexact;
+ int signx, neg;
+ mpfr_prec_t Ny, Nt;
+ mpfr_t t; /* auxiliary variables */
+ mpfr_exp_t err;
+ MPFR_SAVE_EXPO_DECL (expo);
+ MPFR_ZIV_DECL (loop);
+
+ 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;
+ }
+ else if (MPFR_IS_INF (x))
+ {
+ MPFR_SET_INF (y);
+ MPFR_SET_SAME_SIGN (y, x);
+ MPFR_RET (0);
+ }
+ else /* x is necessarily 0 */
+ {
+ MPFR_ASSERTD (MPFR_IS_ZERO (x));
+ MPFR_SET_ZERO (y); /* asinh(0) = 0 */
+ MPFR_SET_SAME_SIGN (y, x);
+ MPFR_RET (0);
+ }
+ }
+
+ /* asinh(x) = x - x^3/6 + ... so the error is < 2^(3*EXP(x)-2) */
+ MPFR_FAST_COMPUTE_IF_SMALL_INPUT (y, x, -2 * MPFR_GET_EXP (x), 2, 0,
+ rnd_mode, {});
+
+ Ny = MPFR_PREC (y); /* Precision of output variable */
+
+ signx = MPFR_SIGN (x);
+ neg = MPFR_IS_NEG (x);
+
+ /* General case */
+
+ /* compute the precision of intermediary variable */
+ /* the optimal number of bits : see algorithms.tex */
+ Nt = Ny + 4 + MPFR_INT_CEIL_LOG2 (Ny);
+
+ MPFR_SAVE_EXPO_MARK (expo);
+
+ /* initialize intermediary variables */
+ mpfr_init2 (t, Nt);
+
+ /* First computation of asinh */
+ MPFR_ZIV_INIT (loop, Nt);
+ for (;;)
+ {
+ /* compute asinh */
+ mpfr_mul (t, x, x, MPFR_RNDD); /* x^2 */
+ mpfr_add_ui (t, t, 1, MPFR_RNDD); /* x^2+1 */
+ mpfr_sqrt (t, t, MPFR_RNDN); /* sqrt(x^2+1) */
+ (neg ? mpfr_sub : mpfr_add) (t, t, x, MPFR_RNDN); /* sqrt(x^2+1)+x */
+ mpfr_log (t, t, MPFR_RNDN); /* ln(sqrt(x^2+1)+x)*/
+
+ if (MPFR_LIKELY (MPFR_IS_PURE_FP (t)))
+ {
+ /* error estimate -- see algorithms.tex */
+ err = Nt - (MAX (4 - MPFR_GET_EXP (t), 0) + 1);
+ if (MPFR_LIKELY (MPFR_IS_ZERO (t)
+ || MPFR_CAN_ROUND (t, err, Ny, rnd_mode)))
+ break;
+ }
+
+ /* actualisation of the precision */
+ MPFR_ZIV_NEXT (loop, Nt);
+ mpfr_set_prec (t, Nt);
+ }
+ MPFR_ZIV_FREE (loop);
+
+ inexact = mpfr_set4 (y, t, rnd_mode, signx);
+
+ mpfr_clear (t);
+
+ MPFR_SAVE_EXPO_FREE (expo);
+ return mpfr_check_range (y, inexact, rnd_mode);
+}