Re: MCW_EM How to turn back on floating point exceptions?

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#16177

From: Bob Gonder
Date: Thu, 29 May 2003 18:21

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Jeff Kish <jeff.kish@mro.com> wrote:

>Greetings.
>
>I have seen posts saying you can use _control87(MCW_EM,MCW_EM); to
>turn off floating point exceptions. What do you do to turn them back
>on? I looked at float.h and it is not obvious to me.

The help on _control87() tells all....

	int OriginalValue = _control87( 0, 0 );
	_control87( MCW_EM, MCW_EM );
...later...
	_control87( OriginalValue, (unsigned int)-1 );

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From: Bob Gonder <notbg@notmindspring.invalid>
Newsgroups: borland.public.cppbuilder.nativeapi
Subject: Re: MCW_EM How to turn back on floating point exceptions?
Date: Thu, 29 May 2003 11:21:37 -0700
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