2.11BSD/src/lib/libc/gen/fabs.c

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

#if defined(LIBC_SCCS) && !defined(lint)
static char sccsid[] = "@(#)fabs.c	2.2 (Berkeley) 1/25/87";
#endif LIBC_SCCS and not lint

double
fabs(arg)
	double arg;
{
	return(arg < 0 ? -arg : arg);
}