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| author | zimmerma <zimmerma@280ebfd0-de03-0410-8827-d642c229c3f4> | 2018-09-08 11:39:54 +0000 |
|---|---|---|
| committer | zimmerma <zimmerma@280ebfd0-de03-0410-8827-d642c229c3f4> | 2018-09-08 11:39:54 +0000 |
| commit | f02c20005b67d888f9acc5659401e178ac8cd6b5 (patch) | |
| tree | c08b478328f035a76e243175ef7a731835bc83e5 | |
| parent | 31b0ab16fab78a90c32cf69f338036059070f5a0 (diff) | |
| download | mpfr-f02c20005b67d888f9acc5659401e178ac8cd6b5.tar.gz | |
[src/int_ceil_log2.c] fixed __gmpfr_int_ceil_log2 for limb < long
git-svn-id: svn://scm.gforge.inria.fr/svn/mpfr/trunk@13161 280ebfd0-de03-0410-8827-d642c229c3f4
| -rw-r--r-- | src/int_ceil_log2.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/int_ceil_log2.c b/src/int_ceil_log2.c index bfd871e7b..ea2b5f48e 100644 --- a/src/int_ceil_log2.c +++ b/src/int_ceil_log2.c @@ -29,6 +29,7 @@ __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; @@ -39,4 +40,7 @@ __gmpfr_int_ceil_log2 (unsigned long n) count_leading_zeros (b, limb); return GMP_NUMB_BITS - b; } +#else + return mpfr_nbits_ulong (n - 1); +#endif } |