https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=218514
--- Comment #24 from Steve Kargl <kargl_at_FreeBSD.org> ---
For those curious, with older testing programs I'm see
Max ULP as shown in the tables below.
sinpif time: 0.0077 usec per call (average [0x1p-14,0.25] exhaustive)
cospif time: 0.0063 usec per call
tanpif time: 0.0078 usec per call
Interval sinpif cospif tanpif
[0x1p-14,0.25] 0.500074 0.500898 0.799714 (exhaustive)
[0.25,1] 0.500898 0.500893 0.799635 (exhaustive)
[100,104] 0.500893 0.500893 0.796762 (exhaustive)
sinpi time: 0.0159 usec per call (1M calls in [0x1p-29,0.25])
cospi time: 0.0145 usec per call
tanpi time: 0.0264 usec per call
Interval sinpi cospi tanpi
[0x1p-29,0.25] 0.735554 0.791773 0.863064 (total tested: 8388607)
[0.25,1] 0.767862 0.767862 0.868273 (total tested: 8388606)
[100,104] 0.769793 0.765948 0.855805 (total tested: 8388604)
ld80/sinpil time: 0.1046 usec per call (1M calls in [0x1p-34,0.25])
ld80/cospil time: 0.1014 usec per call
ld80/tanpil time: 0.1915 usec per call
Interval sinpil cospil tanpil
[0x1p-34,0.25] 0.710709 0.773680 0.870418 (total tested: 8388607)
[0.25,1] 0.769538 0.765667 0.863644 (total tested: 8388606)
[100,104] 0.765416 0.763284 0.861817 (total tested: 8388604)
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Received on Tue Oct 26 2021 - 19:27:47 UTC