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Re: Capture division by zero [message #55282 is a reply to message #55281] |
Tue, 27 October 2020 11:40   |
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mirek
Messages: 14256 Registered: November 2005
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Ultimate Member |
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koldo wrote on Tue, 27 October 2020 11:38mirek wrote on Tue, 27 October 2020 11:16Yet another example, how are you going to fix this:
double SomeFunction(double x)
{
return ln(x*x*x - 15*x*x + x + 20);
}
Now this function is used throughout your code on 50 places and you have got an exception because the argument is negative.
How are you going to fix it?
This is the main problem I have encounterd with "activate FP exception" approach and I still do not know the correct solution....
Mirek In my code I would put an ASSERT to capture the error in DEBUG. Just like Vector checks if index is negative.
Yeah, so your program now does not work in debug for particular input data. What is the next step?
Mirek
[Updated on: Tue, 27 October 2020 11:41] Report message to a moderator
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FP exception vs NaN
By: koldo on Mon, 26 October 2020 21:08
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Re: Capture division by zero
By: mirek on Tue, 27 October 2020 09:23
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Re: Capture division by zero
By: mirek on Tue, 27 October 2020 11:09
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Re: Capture division by zero
By: mirek on Tue, 27 October 2020 11:16
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Re: Capture division by zero
By: koldo on Tue, 27 October 2020 11:38
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Re: Capture division by zero
By: mirek on Tue, 27 October 2020 11:40
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Re: Capture division by zero
By: koldo on Tue, 27 October 2020 11:36
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Re: Capture division by zero
By: koldo on Tue, 27 October 2020 17:18
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Re: Capture division by zero
By: mirek on Tue, 27 October 2020 18:52
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Re: Capture division by zero
By: mirek on Tue, 27 October 2020 19:19
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Re: Capture division by zero
By: koldo on Tue, 27 October 2020 19:25
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Re: Capture division by zero
By: Klugier on Tue, 27 October 2020 20:35
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Re: Capture division by zero
By: mirek on Tue, 27 October 2020 20:47
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Re: Capture division by zero
By: koldo on Wed, 28 October 2020 09:29
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Re: Capture division by zero
By: mirek on Tue, 27 October 2020 20:50
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Re: Capture division by zero
By: koldo on Wed, 28 October 2020 09:24
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Re: Capture division by zero
By: mirek on Wed, 28 October 2020 13:51
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Re: Capture division by zero
By: mirek on Wed, 28 October 2020 14:04
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Re: Capture division by zero
By: koldo on Thu, 29 October 2020 14:19
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Re: Capture division by zero
By: mirek on Mon, 02 November 2020 10:31
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Re: Capture division by zero
By: koldo on Mon, 02 November 2020 18:07
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