From: Neal Becker (ndbecker2_at_[hidden])
Date: 2007-04-19 07:09:22
This proposed patch allows bypassing of default constructors. This can be
important for high performance computing.
What this patch does:
1. Add an optional arg to 'allocate_space' to specify if element
construction is wanted
2. Add 'default_do_init' static constant, which is false for POD and for
3. Also bypass construction when the result is going to be immediately
4. Add to 'allocate_space' and optional init value, which default to T().
The purpose is to allow for a multi_array constructor that specifies an
initial fill value. This is another optimization and consistent with STL
containers. However, I haven't figured out how to use this yet.
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