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Exception on a simple arithmetic problem

Subject: Exception on a simple arithmetic problem
From: Peter <email@hidden>
Date: Fri, 20 Jan 2006 20:30:23 +0800
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This happen during debugging my C code under XCode, compiled for Intel platform,

double fVal, fTemp;

fTemp = filesize; /* filesize is a long long and is greater than 0 */ fVal = 100.0 / (double) fTemp; /* EXC_ARITHMETIC happens here */

The debugger stop and throws EXC_ARITHMETIC message at the calculation line. When the program is in release mode(compile with - O2), this problem never happens during runtime. I am using OS 10.4.3 (8F1111).

What condition makes EXC_ARITHMETIC exception to be thrown under Pentium ?

There was never an exception of this kind happen when I am doing PowerPC debugging. I am already missing PowerPC Macs.

Thanks in advance.

Peter.

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