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| author | Joseph Hunkeler <jhunkeler@gmail.com> | 2015-07-08 20:46:52 -0400 |
|---|---|---|
| committer | Joseph Hunkeler <jhunkeler@gmail.com> | 2015-07-08 20:46:52 -0400 |
| commit | fa080de7afc95aa1c19a6e6fc0e0708ced2eadc4 (patch) | |
| tree | bdda434976bc09c864f2e4fa6f16ba1952b1e555 /unix/f2c/libf2c/r_sign.c | |
| download | iraf-linux-fa080de7afc95aa1c19a6e6fc0e0708ced2eadc4.tar.gz | |
Initial commit
Diffstat (limited to 'unix/f2c/libf2c/r_sign.c')
| -rw-r--r-- | unix/f2c/libf2c/r_sign.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/unix/f2c/libf2c/r_sign.c b/unix/f2c/libf2c/r_sign.c new file mode 100644 index 00000000..797db1a4 --- /dev/null +++ b/unix/f2c/libf2c/r_sign.c @@ -0,0 +1,18 @@ +#include "f2c.h" +#ifdef __cplusplus +extern "C" { +#endif + +#ifdef KR_headers +double r_sign(a,b) real *a, *b; +#else +double r_sign(real *a, real *b) +#endif +{ +double x; +x = (*a >= 0 ? *a : - *a); +return( *b >= 0 ? x : -x); +} +#ifdef __cplusplus +} +#endif |