diff options
Diffstat (limited to 'gcc/f/runtime/libF77/d_sign.c')
-rw-r--r-- | gcc/f/runtime/libF77/d_sign.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/gcc/f/runtime/libF77/d_sign.c b/gcc/f/runtime/libF77/d_sign.c new file mode 100644 index 00000000000..514ff0bbff8 --- /dev/null +++ b/gcc/f/runtime/libF77/d_sign.c @@ -0,0 +1,12 @@ +#include "f2c.h" + +#ifdef KR_headers +double d_sign(a,b) doublereal *a, *b; +#else +double d_sign(doublereal *a, doublereal *b) +#endif +{ +double x; +x = (*a >= 0 ? *a : - *a); +return( *b >= 0 ? x : -x); +} |