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Message-ID: | <ba40711f0704231914r13469e77y7ed032a387ae63d2@mail.gmail.com> |
Date: | Mon, 23 Apr 2007 22:14:17 -0400 |
From: | "Lev Bishop" <lev DOT bishop AT gmail DOT com> |
To: | cygwin AT cygwin DOT com |
Subject: | Re: newlib?: pow function can produce incorrect results. |
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On 4/23/07, Dave Korn wrote: > On 24 April 2007 00:53, Cary R. wrote: > > > I had some more time to look into this and when the > > simple C program I mentioned earlier uses variables > > like the other program, incorrect results are > > produced. I have attached this C/C++ program. I > > certainly don't understand what is going on. I would > > have expected pow to be pass-by value which should > > make the two calls identical from a system standpoint, > > but the results imply something different. Any > > suggestions would be greatly appreciated. > > > The notorious PR323. Nah, in this case it's just that gcc's __builtin_pow() is more standards-compliant than newlib's pow(). L -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/
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