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- /************************************************************************
- * *
- * N O T I C E *
- * *
- * Copyright Abandoned, 1987, Fred Fish *
- * *
- * This previously copyrighted work has been placed into the *
- * public domain by the author (Fred Fish) and may be freely used *
- * for any purpose, private or commercial. I would appreciate *
- * it, as a courtesy, if this notice is left in all copies and *
- * derivative works. Thank you, and enjoy... *
- * *
- * The author makes no warranty of any kind with respect to this *
- * product and explicitly disclaims any implied warranties of *
- * merchantability or fitness for any particular purpose. *
- * *
- ************************************************************************
- */
-
- /*
- * FUNCTION
- *
- * dabs,fabs double precision absolute value
- *
- * KEY WORDS
- *
- * dabs
- * fabs
- * machine independent routines
- * math libraries
- *
- * DESCRIPTION
- *
- * Returns absolute value of double precision number.
- *
- * The fabs routine is supplied for compatibility with unix
- * libraries where for some bizarre reason, the double precision
- * absolute value routine is called fabs.
- *
- * USAGE
- *
- * double dabs (x)
- * double x;
- *
- * double fabs (x)
- * double x;
- *
- * PROGRAMMER
- *
- * Fred Fish
- *
- */
-
- #include <stdio.h>
- #include "pml.h"
-
- static char funcname[] = "dabs";
-
- double dabs (x)
- double x;
- {
- DBUG_ENTER (funcname);
- DBUG_3 ("dabsin", "arg %le", x);
- if (x < 0.0) {
- x = -x;
- }
- DBUG_3 ("dabsout", "result %le", x);
- DBUG_RETURN (x);
- }
-
-
- double fabs (x)
- double x;
- {
- return (dabs(x));
- }
-