blob: b90c0f24b0a2b9bc5034cfcb9935fafaa883b602 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
|
/*
* tclWinMtherr.c --
*
* This function provides a default implementation of the
* _matherr function for Borland C++.
*
* Copyright (c) 1995 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: tclWinMtherr.c,v 1.5 2002/05/31 22:20:22 dgp Exp $
*/
#include "tclWinInt.h"
#include <math.h>
/*
*----------------------------------------------------------------------
*
* _matherr --
*
* This procedure is invoked by Borland C++ when certain
* errors occur in mathematical functions. This procedure
* replaces the default implementation which generates pop-up
* warnings.
*
* Results:
* Returns 1 to indicate that we've handled the error
* locally.
*
* Side effects:
* Sets errno based on what's in xPtr.
*
*----------------------------------------------------------------------
*/
int
_matherr(xPtr)
struct exception *xPtr; /* Describes error that occurred. */
{
if ((xPtr->type == DOMAIN)
#ifdef __BORLANDC__
|| (xPtr->type == TLOSS)
#endif
|| (xPtr->type == SING)) {
errno = EDOM;
} else {
errno = ERANGE;
}
return 1;
}
|
