freebsd-skq/lib/libF77/r_sign.c
L Jonas Olsson 09c656ca68 Library for f2c (part 2 of 2)
Obtained from: netlib.att.com
1994-10-26 18:17:41 +00:00

13 lines
181 B
C

#include "f2c.h"
#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);
}