Bug 16507 - large error on yn in long double precision
Summary: large error on yn in long double precision
Status: NEW
Alias: None
Product: glibc
Classification: Unclassified
Component: math (show other bugs)
Version: unspecified
: P2 normal
Target Milestone: ---
Assignee: Not yet assigned to anyone
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Depends on:
Blocks:
 
Reported: 2014-01-28 06:58 UTC by Paul Zimmermann
Modified: 2014-06-13 08:50 UTC (History)
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fweimer: security-

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test file (387 bytes, text/x-c)
2014-01-28 06:58 UTC, Paul Zimmermann 		Details
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Description Paul Zimmermann 2014-01-28 06:58:19 UTC 
Created attachment 7374 [details]
test file

I get with the attached program:

GNU libc version: 2.18.90
GNU libc release: development
x=0xd.563c0f9f9f83a9cp+6
libc: yn(17,x)=0xf.c8abeb11cp-38
mpfr: yn(17,x)=0xf.c8abeb0ef945aedp-38
ulp difference: 745252115.000000

See http://webloria.loria.fr/~zimmerma/glibc/

Paul