Distribute_Block_Local.h

#ifndef QNANO_NEW_DISTRIBUTE_BLOCK_LOCAL_DEINFED_H
#define QNANO_NEW_DISTRIBUTE_BLOCK_LOCAL_DEINFED_H

#include "tools/Distribute_Block.h"

/* Purpose: A Distribute_Block, but aniticipating that we might want to 
parallelize with MPI, where each block belongs to one thread, we also want
a more abstract structure for the situation without MPI support. 
In particular, we need a get_local_start and get_local_blocksize function.
We also specify the trivial case where there is only one such block for 
situations without parallelization.
*/


class Distribute_Block_Local: public Distribute_Block{
public:
  size_t block;

  size_t get_block() const{
    return block;
  }
  size_t get_local_start() const{
    return Distribute_Block::get_start(get_block());
  }
  size_t get_local_blocksize() const{
    return Distribute_Block::get_blocksize(get_block());
  }
  size_t get_local_end() const{
    return get_local_start()+get_local_blocksize();
  }
  Distribute_Block_Local(size_t totalsize=0) : Distribute_Block(totalsize,1), block(0){
  }
  virtual ~Distribute_Block_Local(){
  }

};

#endif