diff options
| author | Joe Hunkeler <jhunkeler@gmail.com> | 2015-08-11 16:51:37 -0400 |
|---|---|---|
| committer | Joe Hunkeler <jhunkeler@gmail.com> | 2015-08-11 16:51:37 -0400 |
| commit | 40e5a5811c6ffce9b0974e93cdd927cbcf60c157 (patch) | |
| tree | 4464880c571602d54f6ae114729bf62a89518057 /unix/f2c/libf2c/signbit.c | |
| download | iraf-osx-40e5a5811c6ffce9b0974e93cdd927cbcf60c157.tar.gz | |
Repatch (from linux) of OSX IRAF
Diffstat (limited to 'unix/f2c/libf2c/signbit.c')
| -rw-r--r-- | unix/f2c/libf2c/signbit.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/unix/f2c/libf2c/signbit.c b/unix/f2c/libf2c/signbit.c new file mode 100644 index 00000000..de95a3b7 --- /dev/null +++ b/unix/f2c/libf2c/signbit.c @@ -0,0 +1,24 @@ +#include "arith.h" + +#ifndef Long +#define Long long +#endif + + int +#ifdef KR_headers +signbit_f2c(x) double *x; +#else +signbit_f2c(double *x) +#endif +{ +#ifdef IEEE_MC68k + if (*(Long*)x & 0x80000000) + return 1; +#else +#ifdef IEEE_8087 + if (((Long*)x)[1] & 0x80000000) + return 1; +#endif /*IEEE_8087*/ +#endif /*IEEE_MC68k*/ + return 0; + } |