cvs commit: src/lib/msun/src e_lgammaf_r.c
bde at zeta.org.au
Mon Nov 28 09:03:32 GMT 2005
On Mon, 28 Nov 2005, Bruce Evans wrote:
> Now the max error for lgammaf(x) with |x| < 2**-21 is 0.7885 ulps, and
> speed and accuracy are almost the same for positive and negative args
> in this range. The maximum error overall is still infinity ulps.
Oops. The max error overall is only 7497618.070 ulps (i.e., the
result is off by a factor of almost 2, or has about 1 bit of accuracy).
This occurs for lgammaf(-2.45702481269836F).
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