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From "Martin Sebor (JIRA)" <>
Subject [jira] Created: (STDCXX-318) SIGFPE in std::valarray::cshift() on empty array
Date Tue, 09 Jan 2007 21:31:27 GMT
SIGFPE in std::valarray::cshift() on empty array

                 Key: STDCXX-318
             Project: C++ Standard Library
          Issue Type: Bug
          Components: 26. Numerics
    Affects Versions: 4.1.2, 4.1.3
         Environment: all
            Reporter: Martin Sebor
         Assigned To: Martin Sebor
             Fix For: 4.2

The program below abends with SIGFPE due to division by zero:

$ cat t.cpp && nice gmake t && ./t
#include <cassert>
#include <valarray>

int main ()
    const std::valarray<int> a;

    a.cshift (1);
aCC -c -I/nfs/devco/sebor/dev/stdlib/include/ansi -I/usr/include  -D_RWSTDDEBUG   -mt -D_RWSTD_USE_CONFIG
-I/nfs/devco/sebor/dev/stdlib/include -I/build/sebor/aCC-3.70-15S/include -I/nfs/devco/sebor/dev/stdlib/examples/include
 -Aa +nostl  -g +d  +DD64 +w +W392 +W655 +W684 +W818 +W819 +W849   t.cpp
aCC t.o -o t -Aa +nostl -Wl,+s -Wl,+vnocompatwarnings   -mt +DD64 -L/build/sebor/aCC-3.70-15S/lib
-lstd15S   -lm 
Floating point exception (core dumped)

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