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| author | Danny Smith <dannysmith@users.sourceforge.net> | 2002-06-13 10:20:48 +0000 |
|---|---|---|
| committer | Danny Smith <dannysmith@users.sourceforge.net> | 2002-06-13 10:20:48 +0000 |
| commit | dc8971488e7c174ab4084cbdb0a8f12c39b738d7 (patch) | |
| tree | d679387fa379b6d5feb9756bdd7237347614453b /winsup/mingw/mingwex/signbit.c | |
| parent | 5f74ae83e5fba1ceb73a8d822cbe2b48c619127f (diff) | |
| download | cygnal-dc8971488e7c174ab4084cbdb0a8f12c39b738d7.tar.gz cygnal-dc8971488e7c174ab4084cbdb0a8f12c39b738d7.tar.bz2 cygnal-dc8971488e7c174ab4084cbdb0a8f12c39b738d7.zip | |
* include/_mingw.h: Increment version to 2.0.
* Makefile.in: Ditto.
Merge in mingwex branch.
Diffstat (limited to 'winsup/mingw/mingwex/signbit.c')
| -rw-r--r-- | winsup/mingw/mingwex/signbit.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/winsup/mingw/mingwex/signbit.c b/winsup/mingw/mingwex/signbit.c new file mode 100644 index 000000000..7f86c86a3 --- /dev/null +++ b/winsup/mingw/mingwex/signbit.c @@ -0,0 +1,13 @@ +#define __FP_SIGNBIT 0x0200 + +int __signbit (double x) { + unsigned short sw; + __asm__ ("fxam; fstsw %%ax;" + : "=a" (sw) + : "t" (x) ); + return sw & __FP_SIGNBIT; +} + +#undef signbit +int __attribute__ ((alias ("__signbit"))) signbit (double); + |