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-rw-r--r--unix/tclMtherr.c82
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diff --git a/unix/tclMtherr.c b/unix/tclMtherr.c
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--- a/unix/tclMtherr.c
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-/*
- * tclMatherr.c --
- *
- * This function provides a default implementation of the
- * "matherr" function, for SYS-V systems where it's needed.
- *
- * Copyright (c) 1993-1994 The Regents of the University of California.
- * Copyright (c) 1994 Sun Microsystems, Inc.
- *
- * See the file "license.terms" for information on usage and redistribution
- * of this file, and for a DISCLAIMER OF ALL WARRANTIES.
- *
- * RCS: @(#) $Id: tclMtherr.c,v 1.5 2002/02/12 14:23:57 davygrvy Exp $
- */
-
-#include "tclInt.h"
-#include <math.h>
-
-#ifndef TCL_GENERIC_ONLY
-#include "tclPort.h"
-#else
-#define NO_ERRNO_H
-#endif
-
-#ifdef NO_ERRNO_H
-extern int errno; /* Use errno from tclExecute.c. */
-#define EDOM 33
-#define ERANGE 34
-#endif
-
-/*
- * The following definitions allow matherr to compile on systems
- * that don't really support it. The compiled procedure is bogus,
- * but it will never be executed on these systems anyway.
- */
-
-#ifndef NEED_MATHERR
-#ifndef DJGPP
-struct exception {
- int type;
-};
-#endif
-#define DOMAIN 0
-#define SING 0
-#endif
-
-/*
- *----------------------------------------------------------------------
- *
- * matherr --
- *
- * This procedure is invoked on Sys-V systems when certain
- * errors occur in mathematical functions. Type "man matherr"
- * for more information on how this function works.
- *
- * Results:
- * Returns 1 to indicate that we've handled the error
- * locally.
- *
- * Side effects:
- * Sets errno based on what's in xPtr.
- *
- *----------------------------------------------------------------------
- */
-
-#ifdef __APPLE_CC__
-__private_extern__
-#endif
-int
-matherr(xPtr)
- struct exception *xPtr; /* Describes error that occurred. */
-{
- if (TclMathInProgress()) {
- return 0;
- }
- if ((xPtr->type == DOMAIN) || (xPtr->type == SING)) {
- errno = EDOM;
- } else {
- errno = ERANGE;
- }
- return 1;
-}