[unix-history] / usr / src / usr.bin / f77 / libF77 / r_sign.c

/*
* Copyright (c) 1980 Regents of the University of California.
* All rights reserved.  The Berkeley software License Agreement
* specifies the terms and conditions for redistribution.
*
*      @(#)r_sign.c    5.2     %G%
*/

float r_sign(a,b)
float *a, *b;
{
float x;
x = (*a >= 0 ? *a : - *a);
return( *b >= 0 ? x : -x);
}