Can I make gcc tell me when a calculation results in NaN or inf at runtime?

Posted by toft on Stack Overflow See other posts from Stack Overflow or by toft
Published on 2010-05-31T05:56:56Z Indexed on 2010/06/01 11:53 UTC
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c

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gcc

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floating-point

Is there a way to tell gcc to throw a SIGFPE or something similar in response to a calculation that results in NaN or (-)inf at runtime, like it would for a divide-by-zero?

I've tried the -fsignaling-nans flag, which doesn't seem to help.

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Developer IT

Can I make gcc tell me when a calculation results in NaN or inf at runtime? - Developer IT

Can I make gcc tell me when a calculation results in NaN or inf at runtime?

c

gcc

floating-point

Related posts about c

Related posts about gcc

alias gcc='gcc -fpermissive' or modifying ./configure script

Changes in gcc/persistence of optimization flags gcc/C

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