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Diffstat (limited to 'Build/source/libs/mpfr/mpfr-src/src/get_si.c')
-rw-r--r--Build/source/libs/mpfr/mpfr-src/src/get_si.c92
1 files changed, 0 insertions, 92 deletions
diff --git a/Build/source/libs/mpfr/mpfr-src/src/get_si.c b/Build/source/libs/mpfr/mpfr-src/src/get_si.c
deleted file mode 100644
index a78b4a4fde7..00000000000
--- a/Build/source/libs/mpfr/mpfr-src/src/get_si.c
+++ /dev/null
@@ -1,92 +0,0 @@
-/* mpfr_get_si -- convert a floating-point number to a signed long.
-
-Copyright 2003-2020 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. */
-
-#include "mpfr-impl.h"
-
-long
-mpfr_get_si (mpfr_srcptr f, mpfr_rnd_t rnd)
-{
- mpfr_prec_t prec;
- long s;
- mpfr_t x;
- MPFR_SAVE_EXPO_DECL (expo);
-
- if (MPFR_UNLIKELY (!mpfr_fits_slong_p (f, rnd)))
- {
- MPFR_SET_ERANGEFLAG ();
- return MPFR_IS_NAN (f) ? 0 :
- MPFR_IS_NEG (f) ? LONG_MIN : LONG_MAX;
- }
-
- if (MPFR_IS_ZERO (f))
- return (long) 0;
-
- /* Determine the precision of long. |LONG_MIN| may have one more bit
- as an integer, but in this case, this is a power of 2, thus fits
- in a precision-prec floating-point number. */
- for (s = LONG_MAX, prec = 0; s != 0; s /= 2, prec++)
- { }
-
- MPFR_SAVE_EXPO_MARK (expo);
-
- /* first round to prec bits */
- mpfr_init2 (x, prec);
- mpfr_rint (x, f, rnd);
-
- /* The flags from mpfr_rint are the wanted ones. In particular,
- it sets the inexact flag when necessary. */
- MPFR_SAVE_EXPO_UPDATE_FLAGS (expo, __gmpfr_flags);
-
- /* warning: if x=0, taking its exponent is illegal */
- if (MPFR_IS_ZERO (x))
- s = 0;
- else
- {
- unsigned long u = 0;
- mp_size_t n;
- mpfr_exp_t exp;
-
- exp = MPFR_GET_EXP (x);
- MPFR_ASSERTD (exp >= 1); /* since |x| >= 1 */
- n = MPFR_LIMB_SIZE (x);
-#ifdef MPFR_LONG_WITHIN_LIMB
- MPFR_ASSERTD (exp <= GMP_NUMB_BITS);
-#else
- while (exp > GMP_NUMB_BITS)
- {
- MPFR_ASSERTD (n > 0);
- u += (unsigned long) MPFR_MANT(x)[n - 1] << (exp - GMP_NUMB_BITS);
- n--;
- exp -= GMP_NUMB_BITS;
- }
-#endif
- MPFR_ASSERTD (n > 0);
- u += MPFR_MANT(x)[n - 1] >> (GMP_NUMB_BITS - exp);
- s = MPFR_IS_POS (f) ? u : u <= LONG_MAX ? - (long) u : LONG_MIN;
- }
-
- mpfr_clear (x);
-
- MPFR_SAVE_EXPO_FREE (expo);
-
- return s;
-}