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List: apache-stdcxx-dev
Subject: [jira] Created: (STDCXX-309) std::valarray::operator[](std::gslice)
From: "Martin Sebor (JIRA)" <jira () apache ! org>
Date: 2006-12-11 22:25:20
Message-ID: 6793367.1165875920964.JavaMail.jira () brutus
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std::valarray::operator[](std::gslice) bad result
-------------------------------------------------
Key: STDCXX-309
URL: http://issues.apache.org/jira/browse/STDCXX-309
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 aborts at runtime with the latest trunk:
$ cat t.cpp && nice gmake t && ./t
#include <cassert>
#include <cstddef>
#include <valarray>
int main ()
{
const int a[] = { 1, 2, 3, 4, 5, 6 };
const std::valarray<int> v (a, sizeof a / sizeof *a);
const std::size_t start = 5;
std::valarray<std::size_t> length (1, 1);
std::valarray<std::size_t> stride (1, 1);
const std::gslice gsl (start, length, stride);
const std::valarray<int> vsl = v [gsl];
assert (a [start] == vsl [0]);
}
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 Assertion failed: a [start] == vsl [0], file t.cpp, line 19
ABORT instruction (core dumped)
--
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