Free42 with IEEE 754-2008 decimal floating-point -- interested in a sneak preview?
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03-17-2014, 11:40 AM
Post: #81
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RE: Free42 with IEEE 754-2008 decimal floating-point -- interested in a sneak preview?
(03-16-2014 01:45 PM)Werner Wrote: in DEG mode: I'm not surprised here. 180 + 10^-31 is pushing the number of digits in double precision whereas -10^-31 isn't stretching anything. In single precision there doesn't seem to be an issue thankfully. I know the 34S trigonometric functions don't do the usual full reduction to the first octant before evaluating the functions. I brute force things with a longer series -- it is smaller codewise. There is also the conversion to radians involved to disturb the results a bit. In summary: * not unexpected, * doesn't impact single precision, * will take space to fix. Is it worthwhile trying? I'll see if I can come up with something nice and simple. - Pauli |
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