/[dtapublic]/projs/trunk/shared_source/c_tcl_base_7_5_w_mods/tclwinmtherr.c
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revision 64 by dashley, Sun Oct 30 04:21:11 2016 UTC revision 71 by dashley, Sat Nov 5 11:07:06 2016 UTC
# Line 1  Line 1 
 /* $Header$ */  
   
 /*  
  * 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 1.1.1.1 2001/06/13 04:49:20 dtashley 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 (!TclMathInProgress()) {  
         return 0;  
     }  
     if ((xPtr->type == DOMAIN) || (xPtr->type == SING)) {  
         errno = EDOM;  
     } else {  
         errno = ERANGE;  
     }  
     return 1;  
 }  
   
   
 /* $History: tclwinmtherr.c $  
  *  
  * *****************  Version 1  *****************  
  * User: Dtashley     Date: 1/02/01    Time: 12:28a  
  * Created in $/IjuScripter, IjuConsole/Source/Tcl Base  
  * Initial check-in.  
  */  
   
 /* End of TCLWINMTHERR.C */  
1    /* $Header$ */
2    /*
3     * tclWinMtherr.c --
4     *
5     *      This function provides a default implementation of the
6     *      _matherr function for Borland C++.
7     *
8     * Copyright (c) 1995 Sun Microsystems, Inc.
9     *
10     * See the file "license.terms" for information on usage and redistribution
11     * of this file, and for a DISCLAIMER OF ALL WARRANTIES.
12     *
13     * RCS: @(#) $Id: tclwinmtherr.c,v 1.1.1.1 2001/06/13 04:49:20 dtashley Exp $
14     */
15    
16    #include "tclWinInt.h"
17    #include <math.h>
18    
19    
20    /*
21     *----------------------------------------------------------------------
22     *
23     * _matherr --
24     *
25     *      This procedure is invoked by Borland C++ when certain
26     *      errors occur in mathematical functions.  This procedure
27     *      replaces the default implementation which generates pop-up
28     *      warnings.
29     *
30     * Results:
31     *      Returns 1 to indicate that we've handled the error
32     *      locally.
33     *
34     * Side effects:
35     *      Sets errno based on what's in xPtr.
36     *
37     *----------------------------------------------------------------------
38     */
39    
40    int
41    _matherr(xPtr)
42        struct exception *xPtr;     /* Describes error that occurred. */
43    {
44        if (!TclMathInProgress()) {
45            return 0;
46        }
47        if ((xPtr->type == DOMAIN) || (xPtr->type == SING)) {
48            errno = EDOM;
49        } else {
50            errno = ERANGE;
51        }
52        return 1;
53    }
54    
55    /* End of tclwinmtherr.c */

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