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https://issues.apache.org/jira/browse/STDCXX-226?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12551553
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Martin Sebor commented on STDCXX-226:
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I'm not 100% sure it can do that. The floating point environment (such as the
rounding mode) during compilation might be different from runtime. Let's check
the assembly on a few platforms first.
> __rw::__rw_new_capacity() uses floating point math
> --------------------------------------------------
>
> Key: STDCXX-226
> URL: https://issues.apache.org/jira/browse/STDCXX-226
> Project: C++ Standard Library
> Issue Type: Improvement
> Components: 23. Containers
> Affects Versions: 4.1.2, 4.1.3, 4.2.0
> Environment: all
> Reporter: Martin Sebor
> Assignee: Farid Zaripov
> Fix For: 4.2.1
>
> Attachments: benchmark-stdcxx-226.c, new_capacity.patch
>
>
> Moved from the Rogue Wave bug tracking database:
> ****Created By: sebor @ May 09, 2002 11:15:41 AM****
> The template __rw_new_capacity() uses floating point arithmetic which may be
> less efficient than integer arithmetic on some architectures. Need to change
> to integer arithmetic and correctly handle integer overflow.
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