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[Bug math/16560] New: spurious underflow exception from exp2
- From: "zimmerma+gcc at loria dot fr" <sourceware-bugzilla at sourceware dot org>
- To: glibc-bugs at sourceware dot org
- Date: Wed, 12 Feb 2014 09:53:30 +0000
- Subject: [Bug math/16560] New: spurious underflow exception from exp2
- Auto-submitted: auto-generated
https://sourceware.org/bugzilla/show_bug.cgi?id=16560
Bug ID: 16560
Summary: spurious underflow exception from exp2
Product: glibc
Version: unspecified
Status: NEW
Severity: normal
Priority: P2
Component: math
Assignee: unassigned at sourceware dot org
Reporter: zimmerma+gcc at loria dot fr
on x86_64 I get:
Testing function exp2 for exponent 0 [seed=11871].
rounding mode MPFR_RNDN:
wrong underflow flag: mpfr gives 0, library 16
x=8.000000@-38
library gives 1.000000
mpfr gives 1.000000
since the result is 1, there should be no underflow exception!
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