* gcj.texi (Compatibility): Add Limitations and Extensions section.

[official-gcc.git] / libf2c / libF77 / d_sign.c

#include "f2c.h"

double
d_sign (doublereal * a, doublereal * b)
{
  double x;
  x = (*a >= 0 ? *a : -*a);
  return (*b >= 0 ? x : -x);
}