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divide by zero

divide by zero

George George

18yAsked Apr 24, 2008, 5:32 AM2.7kVisual Basic .NET

Hello everyone,

I have verified that the result of 100/0 will not occur any exception, and it will be infinite.

Does it mean there is no exceptions like divide by zero in C#?

thanks in advance,
George

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George George18y ago
Thanks Alan,

Question answered.

regards,

George
Alan18y ago
Yes, float/double arithmetic never throws an exception as I think I said in some other thread.
George George18y ago
Thanks Alan,

I have made some further test that for integer/decimal types, there will be divide by zero exception, but for float/double type, there will not by exception. Seems it is in Language Spec,

http://www.csharpfriends.com/Spec/index.aspx?specID=14.7.2.htm

Do you agree with the conclusion? Any further comments? :-)

regards,

George
Alan18y ago
On my machine, the following line produces a 'divide by constant zero' exception:

int i = 100/0;

However, the following line doesn't produce an exception and gives 'd ' a value of (positive) infinity:

double d = 100.0/0.0;

This is because, unlike floating point arithmetic, integer arithmeric has no special values to deal with division by zero. However, the exception is catchable.