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MathRegion Critical Error on DEL key action
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 1 user thanked tomtit for this useful post.
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Rank: Advanced Member Groups: Registered
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Was thanked: 11 time(s) in 10 post(s)
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Jean,
It can't be doctored, it is not a calculation issue.
Smath Studio crashes at the moment you push "DEL" key to delete this number "4" or whatever else there.
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 Rank: Advanced Member Groups: Registered, Advanced Member Joined: 10/11/2010(UTC) Posts: 1,432   Was thanked: 1227 time(s) in 711 post(s)
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Confirmed. I also came across it, but I didn't investigate it. SMath Studio 0.99.7921.69. |
Russia ☭ forever
Viacheslav N. Mezentsev |
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confirmed under linux.
same behavior.
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 Rank: Advanced Member Groups: Registered, Advanced Member Joined: 13/01/2012(UTC) Posts: 2,557  Location: Italy Was thanked: 1279 time(s) in 841 post(s)
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Thank you, confirmed Code:System.IndexOutOfRangeException: Index out of matrix bounds.
in SMath.Controls.MathPainter.PrepareForPaint(MathRegion region, PaintContext ctx, Term[] input, MathAnswer answer, Term[] units, Boolean inputDataVisibility, Int32 currentTermIdx, FontInfo font, Boolean focused, Single& middleLine, Single& baseLine)
in SMath.Controls.MathRegion.(IGraphics , PaintEventOptions )
in SMath.Controls.MathRegion.OnCommandSend(String value)
in SMath.Controls.WorksheetEditor.(RegionBase , String )
in SMath.Controls.WorksheetEditor.InsertManager(String value)
in SMath.Controls.Worksheet.Insert(String value)
in SMath.Controls.WorksheetEditor.KeyDown(KeyEventOptions e)
in SMath.UI.Accessories.DesktopWorksheet.OnKeyDown(KeyEventArgs e)
in System.Windows.Forms.Control.ProcessKeyEventArgs(Message& m)
in System.Windows.Forms.Control.WmKeyChar(Message& m)
in System.Windows.Forms.Control.WndProc(Message& m)
in System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)
Edited by user 14 January 2022 12:03:05(UTC)
| Reason: Thread title |
If you like my plugins please consider a donation to SMath Studio; for personal contributions to me: paypal.me/dcprojects |
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Joined: 23/07/2013(UTC) Posts: 996 Was thanked: 413 time(s) in 277 post(s)
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Originally Posted by: Jean Giraud  Originally Posted by: tomtit Eventually I have caught a bug that bothered me in a few latest versions of Smath. ... end of it ! It didn't surprise me that Jean couldn't understand what the bug is.
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1 user thanked overlord for this useful post.
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Rank: Advanced Member Groups: Registered, Advanced Member Joined: 10/11/2010(UTC) Posts: 1,432 Was thanked: 1227 time(s) in 711 post(s)
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Jean, what you're trying to do here is destructive. You prevent users from helping developers improve the program, that is, you bring harm. You don't have to do that. This is not good. |
Russia ☭ forever
Viacheslav N. Mezentsev |
6 users thanked uni for this useful post.
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on 14/01/2022(UTC), on 14/01/2022(UTC), on 14/01/2022(UTC), on 14/01/2022(UTC), on 14/01/2022(UTC), on 17/05/2022(UTC)
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Rank: Advanced Member Groups: Registered, Advanced Member Joined: 10/11/2010(UTC) Posts: 1,432 Was thanked: 1227 time(s) in 711 post(s)
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Jean, in the exUSSR there was such a norm as forced rest. People who worked hard were forced to rest in a sanatorium. And their leaders, who allowed this, were punished. I think you need to go to a sanatorium and temporarily stop working here. I don't want to be punished and I can give you a rest. |
Russia ☭ forever
Viacheslav N. Mezentsev |
4 users thanked uni for this useful post.
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on 14/01/2022(UTC), on 14/01/2022(UTC), on 14/01/2022(UTC), on 15/01/2022(UTC)
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Rank: Advanced Member Groups: Registered
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Originally Posted by: Jean Giraud Basically up to SS 6179, Smath is an equation editor
working similar to Mathcad 11 and earlier, including program.
AFAIK, an option for script style [typical Kalkulator ...]
will manage the critical error demo bug.
Is it possible to combine both: part script style & equation editor ?
As well as accommodate both styles in program ?
Cheers ... Jean. And yet another useless not related post again. Unbelievable. Wow, just wow. Such ignorance, such obstinate, such thick head... I am out of speech right now.
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3 users thanked overlord for this useful post.
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on 14/01/2022(UTC), on 15/01/2022(UTC), on 17/05/2022(UTC)
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Unfortunately, The "Critical Error on Del key action" was not fixed yet in the latest stable version. Try to delete "g" by using DEL key.  oldbug.sm (3kb) downloaded 14 time(s).Edited by user 16 May 2022 18:09:12(UTC)
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  Rank: Administration Groups: Developers, Registered, Knovel Developers, Administrators, Advanced Member Joined: 11/07/2008(UTC) Posts: 1,603 Was thanked: 1972 time(s) in 661 post(s)
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1 user thanked Andrey Ivashov for this useful post.
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Greetings! I can also confirm the existence of this issue ( "v0.99.7921.69" ). Upon investigation, I have (2) items: 1) The program does not actually 'crash', the program is still running. Thus: you can recover from this bug without losing all your work! a) To recover from this error: 1) On the " ⨂ Unhandled exception has occurred ... Index was outside the bounds of the array" popup error message, Click on the button: ｢Continue｣ 2) 'UNDO' your last action, either via the menu bar: ｢Edit｣ -> ｢ ↻ Undo｣ or via keypress ｢Ctrl｣ + ｢Z｣ 3) Repeat steps #1 and #2 until you achieve a successful 'undo'. 2) The elements of this error seem to require a grouping operator (e.g., Absolute Value, Parenthesis, Determinant, Square Root, Matrix) that is paired with a fraction/division operation, prepend this with a multiplication statement and you can duplicate the error. See screen capture below: Below are a few statements I compiled; performing the double-delete on the integer '6' will throw the same error:  -Kenny Lemens, P.E. |
"No matter where you go, there you are." -Buckaroo Banzai |
1 user thanked Kenny Lemens for this useful post.
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Greetings, I found another configuration that can trigger this error; if you declare/evaluate a variable, and then try to multiply that entire set: you get a syntax error. Now if you attempt to correct the statement by using the [DEL] to remove the evaluation, the error gets thrown (as shown below): ![[SMath]Critical_Error_Occured.jpg](/forum/resource.ashx?a=44920&b=2) The work around would be to use the [Backspace] to delete/correct the equation, or to copy/paste the terms into a new statement without syntax errors. -Kenny Lemens, P.E. |
"No matter where you go, there you are." -Buckaroo Banzai |
1 user thanked Kenny Lemens for this useful post.
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Rank: Administration Groups: Developers, Registered, Knovel Developers, Administrators, Advanced Member Joined: 11/07/2008(UTC) Posts: 1,603 Was thanked: 1972 time(s) in 661 post(s)
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Finally fixed in version 1.0.8238.
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3 users thanked Andrey Ivashov for this useful post.
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on 22/07/2022(UTC), on 23/07/2022(UTC), on 23/07/2022(UTC)
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Rank: Newbie
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Joined: 13/04/2023(UTC)
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Location: New York
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Originally Posted by: Kenny Lemens Greetings, I found another configuration that can trigger this error; if you declare/evaluate a variable, and then try to multiply that entire set: you get a syntax error. Now if you attempt to correct the Candy Crush statement by using the [DEL] to remove the evaluation, the error gets thrown (as shown below): The work around would be to use the [Backspace] to delete/correct the equation, or to copy/paste the terms into a new statement without syntax errors. -Kenny Lemens, P.E. I tried that .... still get the error
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MathRegion Critical Error on DEL key action
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