[Bug 429113] Re: libm pow() function does not report floating point underflow exception
Launchpad Bug Tracker
429113 at bugs.launchpad.net
Sun May 1 18:53:02 UTC 2016
Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: glibc (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/429113
Title:
libm pow() function does not report floating point underflow exception
Status in glibc package in Ubuntu:
Confirmed
Bug description:
Ubuntu 8.10 for x86-64
glibc 2.8~20080505-0ubuntu9
The pow() function in the standard C library does not report a
floating point underflow exception like it is supposed to.
Compile the attached program with '-O0 -fno-bultin-pow -lm'. Then run
it.
Expected output:
0.000000
exceptions:
inexact
underflow
Actual output:
0.000000
exceptions:
inexact
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