21 lines
289 B
C
21 lines
289 B
C
#ifndef lint
|
|
static char sccsid[] = "@(#)fabs.c 1.1 94/10/31 SMI";
|
|
#endif
|
|
|
|
/*
|
|
* Copyright (c) 1988 by Sun Microsystems, Inc.
|
|
*/
|
|
|
|
double
|
|
fabs(x)
|
|
double x;
|
|
{
|
|
long *px = (long *) &x;
|
|
#ifdef i386
|
|
px[1] &= 0x7fffffff;
|
|
#else
|
|
px[0] &= 0x7fffffff;
|
|
#endif
|
|
return x;
|
|
}
|