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<body class='hmmessage'><div dir='ltr'>Hello,<br><br>I have installed espresso-5.2.1 on fedora 22, with some minor difficulties, but it has been installed, I run all the tests, and as far as I could see all of them passed.<br>However when running one of the samples from the tutorials with the following command:<br>pw.x <Si.sample.in> Si.sample.out <br>I get the following message during execution:<br><br>
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<span style="font-family:monospace"><span style="color:#000000;background-color:#ffffff;">[hsiles@localhost exercise1]$ pw.x <Si.sample.in> Si.sample.out
</span><br>Note: The following floating-point exceptions are signalling: IEEE_INVALID_FLAG IEEE_DENORMAL.<br><br>There is an output file<br> <br>Does the message means any thing to worry about ??<br><br></span></div>
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