Hello all,

I tried to compile the source again. since I had again missing definition on trunc I wanted to know if I can build at least the 4.1.3 release. I checked out the branch and started all over.

And I ran into following Issue:

../inc/basebmp/packedpixeliterator.hxx:80:10: error: enumerator value for 'bit_mask' is not an integer constant

The corresponding code is:

  enum {
        /** The number of pixel within a single value_type value
         */
num_intraword_positions=sizeof(value_type)*8/bits_per_pixel,
        /** Bit mask for one pixel (least significant bits)
         */
        bit_mask=~(~0 << bits_per_pixel)
    };


An explanation would be great. I found [1] on the net, but I am realy unsure if this is the same. And I do not understand the code in packedpixeliterator at all.

All the best and thanks for your time.

Peter


[1] http://stackoverflow.com/questions/18090541/how-to-set-the-value-of-an-enumeration-constant-outside-the-range-of-int#18090940




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