diff options
Diffstat (limited to 'Build/source/libs/mpfr/mpfr-src/src/int_ceil_log2.c')
-rw-r--r-- | Build/source/libs/mpfr/mpfr-src/src/int_ceil_log2.c | 48 |
1 files changed, 0 insertions, 48 deletions
diff --git a/Build/source/libs/mpfr/mpfr-src/src/int_ceil_log2.c b/Build/source/libs/mpfr/mpfr-src/src/int_ceil_log2.c deleted file mode 100644 index fdb0650e4ce..00000000000 --- a/Build/source/libs/mpfr/mpfr-src/src/int_ceil_log2.c +++ /dev/null @@ -1,48 +0,0 @@ -/* __gmpfr_int_ceil_log2 -- Integer ceil of log2(x) - -Copyright 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 /* for count_leading_zeros */ -#include "mpfr-impl.h" - -int -__gmpfr_int_ceil_log2 (unsigned long n) -{ - if (MPFR_UNLIKELY (n == 1)) - return 0; - else -#ifdef MPFR_LONG_WITHIN_LIMB - { - int b; - mp_limb_t limb; - - MPFR_ASSERTN (n > 1); - limb = n - 1; - MPFR_ASSERTN (limb == n - 1); - count_leading_zeros (b, limb); - b = GMP_NUMB_BITS - b; - MPFR_ASSERTD (b >= 0); - return b; - } -#else - return mpfr_nbits_ulong (n - 1); -#endif -} |