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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - istream fails to parse long numeric string correctly"
href="http://llvm.org/bugs/show_bug.cgi?id=15445">15445</a>
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<th>Summary</th>
<td>istream fails to parse long numeric string correctly
</td>
</tr>
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<th>Product</th>
<td>libc++
</td>
</tr>
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<th>Version</th>
<td>unspecified
</td>
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<th>Hardware</th>
<td>PC
</td>
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<th>OS</th>
<td>Linux
</td>
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<th>Status</th>
<td>NEW
</td>
</tr>
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<th>Severity</th>
<td>release blocker
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
</tr>
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<th>Component</th>
<td>All Bugs
</td>
</tr>
<tr>
<th>Assignee</th>
<td>hhinnant@apple.com
</td>
</tr>
<tr>
<th>Reporter</th>
<td>john@johnmaddock.co.uk
</td>
</tr>
<tr>
<th>CC</th>
<td>llvmbugs@cs.uiuc.edu
</td>
</tr>
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<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>The following code fails as reading stops on the '+' character (but that's not
the bug, removing the '+' from the string still causes it to fail).
#include <sstream>
#include <cassert>
int main(int argc, char** argv)
{
std::stringstream ss;
ss <<
"3.14159265358979323846264338327950288419716939937510582097494459230781640628620899862803482534211706798214808651e+10";
long double d;
ss >> d;
//char c = ss.get();
assert(ss.rdbuf()->in_avail() == 0);
return 0;
}
The rational for wanting to do this, is that we have both numeric constants and
test data expressed as a string - sometimes this is read into a multiprecision
type, and sometimes into a native type.
The failure is with SVN Trunk BTW.</pre>
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