CompressionTarget zofits::InitNextCompression ( )

inline

Setup the environment to compress yet another tile of data

Parameters

target

the struct where to host the produced parameters

Definition at line 393 of file zofits.h.

References zofits::WriteTarget::data, zofits::CompressionTarget::num_rows, zofits::WriteTarget::size, zofits::CompressionTarget::src, zofits::CompressionTarget::target, zofits::WriteTarget::tile_num, and zofits::CompressionTarget::transposed_src.

        {
            CompressionTarget target(AddOneCatalogRow());

            //fill up compression target
            target.src            = fSmartBuffer;
            target.transposed_src = fMemPool.malloc();
            target.num_rows       = fTable.num_rows;

            //fill up write to disk target
            WriteTarget &write_target = target.target;
            write_target.tile_num = (fTable.num_rows-1)/fNumRowsPerTile;
            write_target.size     = 0;
            write_target.data     = fMemPool.malloc();

            //get a new buffer to host the incoming data
            fSmartBuffer = fMemPool.malloc();

            return target;
        }