diff options
author | Nobuyoshi Nakada <nobu@ruby-lang.org> | 2021-08-27 12:42:23 +0900 |
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committer | Nobuyoshi Nakada <nobu@ruby-lang.org> | 2021-08-27 12:42:23 +0900 |
commit | 80c1faf0769abfb459c5c749206ed02311d8274b (patch) | |
tree | 0d3f032106e6a6061d21903e0e42598e7bc34baa /missing | |
parent | 04be8e84db1cf4f8b2a7bc7679eda4336da75d43 (diff) |
Use C99-defined signbit macro
Notes
Notes:
Merged: https://github.com/ruby/ruby/pull/4783
Diffstat (limited to 'missing')
-rw-r--r-- | missing/signbit.c | 19 |
1 files changed, 0 insertions, 19 deletions
diff --git a/missing/signbit.c b/missing/signbit.c deleted file mode 100644 index 2f7ce8c601..0000000000 --- a/missing/signbit.c +++ /dev/null @@ -1,19 +0,0 @@ -#include <limits.h> -#include "ruby.h" - -int -signbit(double x) -{ - enum {double_per_long = sizeof(double) / sizeof(long)}; - enum {long_msb = sizeof(long) * CHAR_BIT - 1}; - union {double d; unsigned long i[double_per_long];} u; - unsigned long l; - - u.d = x; -#ifdef WORDS_BIGENDIAN - l = u.i[0]; -#else - l = u.i[double_per_long - 1]; -#endif - return (int)(l >> long_msb); -} |