UPDATE: Never mind. Fixed it.

Why does this IC code produce different output each time given the same input?

<Reveal this spoiler or all in this thread>

Results of consequestive runs:

0001010010001001000101011011101111110100101111010001001110111100
0.0000000000450000 mantissa:2403864 exponent:-875 sign:0

C:\test\mandlebrot>F128.pl
0001010010001001000101011011101111110100101111010001001110111100
0.0000000000450000 mantissa:2141720 exponent:-875 sign:0

C:\test\mandlebrot>F128.pl
0001010010001001000101011011101111110100101111010001001110111100
0.0000000000450000 mantissa:1093144 exponent:-875 sign:0

C:\test\mandlebrot>F128.pl
0001010010001001000101011011101111110100101111010001001110111100
0.0000000000450000 mantissa:2338328 exponent:-875 sign:0

[download]

The double passed doesn't change; the binary dumped via the union's U64 doesn't change; but somehow the value of the mantissa field varies?? Why gives?

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In reply to IC problem.[Solved, (feel free to reap)] by BrowserUk

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