freebsd-dev/contrib/libf2c/libF77/r_sign.c
2003-07-11 03:42:19 +00:00

10 lines
126 B
C

#include "f2c.h"
double
r_sign (real * a, real * b)
{
double x;
x = (*a >= 0 ? *a : -*a);
return (*b >= 0 ? x : -x);
}