many2one.h
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	#ifndef MANY2ONE_H
	#define MANY2ONE_H

	#include <mpi.h>

	class Many2One {
	public:
	Many2One(MPI_Comm);
	~Many2One();

	void setup(int, int *, int);
	void gather(double , int, double );

	protected:
	int me,nprocs;
	MPI_Comm comm;
	class Memory *memory;

	int nsrc,nall;
	int counts,multicounts;
	int displs,multidispls;
	int *idall;
	};

	#endif