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digitalmars.D.bugs - [Issue 10239] New: Efficient bitcount for std.bitmanip.BitArray


           Summary: Efficient bitcount for std.bitmanip.BitArray
           Product: D
           Version: D2
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: enhancement
          Priority: P2
         Component: Phobos
        AssignedTo: nobody puremagic.com
        ReportedBy: bearophile_hugs eml.cc

--- Comment #0 from bearophile_hugs eml.cc 2013-06-02 05:10:04 PDT ---
Split from Issue 4124.

I suggest to add to BitArray a method to count set bits. There are _very_
efficient algorithms to do this. Optionally such member function should have
two arguments to specify the start and ending points to count the bits into.

See also Issue 10238

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Jun 02 2013