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Free42 with IEEE 754-2008 decimal floating-point -- interested in a sneak preview?
02-25-2014, 12:10 AM
Post: #11
RE: Free42 with IEEE 754-2008 decimal floating-point - interested in a sneak preview?
(02-24-2014 07:54 PM)Thomas Klemm Wrote:  Is there a place where you want us to report bugs?

You can use this thread, or the Free42 forum, or email me.

Link to Free42 forum: http://groups.google.com/group/free42discuss
My email: thomas_okken@yahoo.com

(02-24-2014 07:54 PM)Thomas Klemm Wrote:  1E-34
1 +
1 -

Result:
0.0000E-34

Expected:
0.0000

This appears to be a quirk in the bid128_to_string() function in the Intel library. Numerically, there doesn't appear to be a problem: these zeroes with nonzero exponents do compare equal to regular zero and to each other.

I added a couple of lines in the display code, to make it ignore the exponent when the mantissa is zero; the updated code is on my web site now, under the same URL as before.

- Thomas
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RE: Free42 with IEEE 754-2008 decimal floating-point - interested in a sneak preview? - Thomas Okken - 02-25-2014 12:10 AM



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