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-rw-r--r--Build/source/libs/mpfr/mpfr-src/src/frac.c144
1 files changed, 0 insertions, 144 deletions
diff --git a/Build/source/libs/mpfr/mpfr-src/src/frac.c b/Build/source/libs/mpfr/mpfr-src/src/frac.c
deleted file mode 100644
index bf82cc6d46b..00000000000
--- a/Build/source/libs/mpfr/mpfr-src/src/frac.c
+++ /dev/null
@@ -1,144 +0,0 @@
-/* mpfr_frac -- Fractional part of a floating-point number.
-
-Copyright 2002-2004, 2006-2020 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"
-
-/* Optimization note: it is not a good idea to call mpfr_integer_p,
- as some cases will take longer (the number may be parsed twice). */
-
-int
-mpfr_frac (mpfr_ptr r, mpfr_srcptr u, mpfr_rnd_t rnd_mode)
-{
- mpfr_exp_t re, ue;
- mpfr_prec_t uq;
- mp_size_t un, tn, t0;
- mp_limb_t *up, *tp, k;
- int sh;
- mpfr_t tmp;
- mpfr_ptr t;
- int inex;
- MPFR_SAVE_EXPO_DECL (expo);
-
- /* Special cases */
- if (MPFR_UNLIKELY(MPFR_IS_NAN(u)))
- {
- MPFR_SET_NAN(r);
- MPFR_RET_NAN;
- }
- else if (MPFR_UNLIKELY(MPFR_IS_INF(u) || mpfr_integer_p (u)))
- {
- MPFR_SET_SAME_SIGN(r, u);
- MPFR_SET_ZERO(r);
- MPFR_RET(0); /* zero is exact */
- }
-
- ue = MPFR_GET_EXP (u);
- if (ue <= 0) /* |u| < 1 */
- return mpfr_set (r, u, rnd_mode);
-
- /* Now |u| >= 1, meaning that an overflow is not possible. */
-
- uq = MPFR_PREC(u);
- un = (uq - 1) / GMP_NUMB_BITS; /* index of most significant limb */
- un -= (mp_size_t) (ue / GMP_NUMB_BITS);
- /* now the index of the MSL containing bits of the fractional part */
-
- up = MPFR_MANT(u);
- sh = ue % GMP_NUMB_BITS;
- k = up[un] << sh;
- /* the first bit of the fractional part is the MSB of k */
-
- if (k != 0)
- {
- int cnt;
-
- count_leading_zeros(cnt, k);
- /* first bit 1 of the fractional part -> MSB of the number */
- re = -cnt;
- sh += cnt;
- MPFR_ASSERTN (sh < GMP_NUMB_BITS);
- k <<= cnt;
- }
- else
- {
- re = sh - GMP_NUMB_BITS;
- /* searching for the first bit 1 (exists since u isn't an integer) */
- while (up[--un] == 0)
- re -= GMP_NUMB_BITS;
- MPFR_ASSERTN(un >= 0);
- k = up[un];
- count_leading_zeros(sh, k);
- re -= sh;
- k <<= sh;
- }
- /* The exponent of r will be re */
- /* un: index of the limb of u that contains the first bit 1 of the FP */
-
- t = (mp_size_t) (MPFR_PREC(r) - 1) / GMP_NUMB_BITS < un ?
- (mpfr_init2 (tmp, (un + 1) * GMP_NUMB_BITS), tmp) : r;
- /* t has enough precision to contain the fractional part of u */
- /* If we use a temporary variable, we take the non-significant bits
- of u into account, because of the mpn_lshift below. */
- MPFR_SET_SAME_SIGN(t, u);
-
- /* Put the fractional part of u into t */
- tn = (MPFR_PREC(t) - 1) / GMP_NUMB_BITS;
- MPFR_ASSERTN(tn >= un);
- t0 = tn - un;
- tp = MPFR_MANT(t);
- if (sh == 0)
- mpn_copyd (tp + t0, up, un + 1);
- else /* warning: un may be 0 here */
- tp[tn] = k | ((un) ? mpn_lshift (tp + t0, up, un, sh) : MPFR_LIMB_ZERO);
- if (t0 > 0)
- MPN_ZERO(tp, t0);
-
- MPFR_SAVE_EXPO_MARK (expo);
-
- if (t != r)
- { /* t is tmp */
- MPFR_EXP (t) = 0; /* should be re, but not necessarily in the range */
- inex = mpfr_set (r, t, rnd_mode); /* no underflow */
- mpfr_clear (t);
- MPFR_EXP (r) += re;
- }
- else
- { /* There may be remaining non-significant bits in t (= r). */
- int carry;
-
- MPFR_EXP (r) = re;
- carry = mpfr_round_raw (tp, tp,
- (mpfr_prec_t) (tn + 1) * GMP_NUMB_BITS,
- MPFR_IS_NEG (r), MPFR_PREC (r), rnd_mode,
- &inex);
- if (carry)
- {
- tp[tn] = MPFR_LIMB_HIGHBIT;
- MPFR_EXP (r) ++;
- }
- }
-
- MPFR_SAVE_EXPO_FREE (expo);
- return mpfr_check_range (r, inex, rnd_mode);
-}