dexx.cpp File Reference

#include <iostream>
#include <cstdlib>
#include <mpi.h>

Functions
void	Send_ProcD (const int to, const int nin, const double xin[], const MPI::Intracomm &icomm)
void	Recv_ProcD (const int from, int &nout, double xout[], const int maxbuf, const MPI::Intracomm &icomm)
void	ExchangeD (const int yourid, const int nin, const double xin[], int &nout, double xout[], const int maxbuf, const MPI::Intracomm &icomm)
Variables
const int	TAG1 = 1
const int	TAG2 = 2

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Function Documentation

void ExchangeD	(	const int	yourid,
		const int	nin,
		const double	xin[],
		int &	nout,
		double	xout[],
		const int	maxbuf,
		const MPI::Intracomm &	icomm
	)

Exchanges vectors between my process and the process with rank .

Parameters:

[in]	yourid	rank of process in communicator icomm to send the message
[in]	nin	number of elements in vector xin
[in]	xin	my vector
[out]	nout	number of received elements stored in vector xout
[out]	xout	vector
[in]	maxbuf	maximal number of elements of xout
[in]	icomm	communicator to use

void Recv_ProcD	(	const int	from,
		int &	nout,
		double	xout[],
		const int	maxbuf,
		const MPI::Intracomm &	icomm
	)

Receives data from process with rank from into a double-vector xout .

Parameters:

[in]	from	rank of process in communicator icomm to receive the message from
[out]	nout	number of received elements stored in vector xout
[out]	xout	vector
[in]	maxbuf	maximal number of elements of xout
[in]	icomm	communicator to use

void Send_ProcD	(	const int	to,
		const int	nin,
		const double	xin[],
		const MPI::Intracomm &	icomm
	)

Sends data of double-vector xin to the process with rank to .

Parameters:

[in]	to	rank of process in communicator icomm to send the message
[in]	nin	number of elements in vector xin
[in]	xin	vector
[in]	icomm	communicator to use

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Variable Documentation

const int TAG1 = 1

const int TAG2 = 2