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- 1.1
- date 88.10.23.14.57.23; author ouster; state Exp;
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- 1.1
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- @Initial revision
- @
- text
- @/*
- * fabs.c --
- *
- * Source code for the "fabs" library procedure.
- *
- * Copyright 1988 Regents of the University of California
- * Permission to use, copy, modify, and distribute this
- * software and its documentation for any purpose and without
- * fee is hereby granted, provided that the above copyright
- * notice appear in all copies. The University of California
- * makes no representations about the suitability of this
- * software for any purpose. It is provided "as is" without
- * express or implied warranty.
- */
-
- #ifndef lint
- static char rcsid[] = "$Header: proto.c,v 1.2 88/03/11 08:39:08 ouster Exp $ SPRITE (Berkeley)";
- #endif not lint
-
-
- /*
- *----------------------------------------------------------------------
- *
- * fabs --
- *
- * Return the absolute value of a floating-point number
- *
- * Results:
- * Absolute value of x.
- *
- * Side effects:
- * None.
- *
- *----------------------------------------------------------------------
- */
-
- double
- fabs(x)
- double x;
- {
- if (x < 0) {
- return -x;
- }
- return x;
- }
- @
-