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On 12/18/2011 12:12 PM, Juan Jose Garcia-Ripoll wrote:
<blockquote
cite="mid:CANejTzrtvzFq2Pqnm_jHtf+F3VV5ZSJttdAqxVaF7d9ozoha2Q@mail.gmail.com"
type="cite">
<div class="gmail_quote">On Sun, Dec 18, 2011 at 8:52 PM, Paul
Bowyer <span dir="ltr"><<a moz-do-not-send="true"
href="mailto:pbowyer@olynet.com">pbowyer@olynet.com</a>></span>
wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0
.8ex;border-left:1px #ccc solid;padding-left:1ex">
<br>
I've just gotten a test copy of the 64-bit version of
PCLinuxOS running on another computer and as part of checking
it out, I have tried to set up ECL on it. Everything seems to
have gone correctly and ECL installed apparently without
problems, but when I ran the tests, I experienced more
failures in the ansi.log file for the 64-bit install than I
get with the 32-bit install that I have been using.</blockquote>
</div>
<br>
Some of the ANSI tests are not very "correct" I would say. The
tests check on the accuracy of certain functions, but what is
accurate is something to be discussed. The differences between 32-
and 64-bit platforms, or between operating systems in the same
machine, are due to how the C library computes those mathematical
functions. Some of them have enough accuracy for long-double
types, some don't. Some work internally with double-float
precision and have more accuracy than what the test suite expects.
Some signal overflows, some don't. etc, etc.
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<br>
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<div>The other two tests </div>
<br style="">
<span style="">MISC.528</span><br style="">
<span style="">MISC.529</span>
<div><font color="#222222" face="arial, sans-serif"><br>
</font></div>
<div><font color="#222222" face="arial, sans-serif">are also
probably due to the fact that the code uses internally double
types for the products, exceeding the precision of the
interpreted code. I also see them in my computer.<br>
</font>
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<div>
<div><br>
</div>
<div>Unless the </div>
<div><br>
</div>
<div>Juanjo</div>
<div><br>
</div>
-- <br>
Instituto de Física Fundamental, CSIC<br>
c/ Serrano, 113b, Madrid 28006 (Spain) <br>
<a moz-do-not-send="true"
href="http://juanjose.garciaripoll.googlepages.com"
target="_blank">http://juanjose.garciaripoll.googlepages.com</a><br>
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</blockquote>
<br>
Juanjo:<br>
<br>
Thanks for easing my doubts. I assume the unfinished "Unless the"
was meant to convey that there is no reason to assume there are
problems in the 64-bit install that I need to worry about.<br>
<br>
Paul<br>
<br>
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