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[Bug math/13705] New: Bogus FPE on underflow for exp(double)
- From: "law at redhat dot com" <sourceware-bugzilla at sourceware dot org>
- To: glibc-bugs at sources dot redhat dot com
- Date: Fri, 17 Feb 2012 21:08:39 +0000
- Subject: [Bug math/13705] New: Bogus FPE on underflow for exp(double)
- Auto-submitted: auto-generated
http://sourceware.org/bugzilla/show_bug.cgi?id=13705
Bug #: 13705
Summary: Bogus FPE on underflow for exp(double)
Product: glibc
Version: 2.15
Status: NEW
Severity: normal
Priority: P2
Component: math
AssignedTo: aj@suse.de
ReportedBy: law@redhat.com
Classification: Unclassified
Created attachment 6225
--> http://sourceware.org/bugzilla/attachment.cgi?id=6225
testcase
With floating point trapping enabled, *except* for "underflow"
and "inexact", exp(-1.0e40) will throw a Floating Point Exception.
How reproducible:
Every time.
Steps to Reproduce:
1. Compile attached test programme (g++ test1.cpp)
2. Run program
3.
Actual results:
Floating point exception.
Expected results:
The value 0 should be printed.
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