all:
	mpic++ -std=c++11 -Wall -Wextra -lboost_mpi -lboost_serialization -o laplacien_mpi.out laplacien_mpi.cpp 
	@echo "run with: mpirun -n 50 --hostfile mpi_file ./laplacien_mpi.out"

clean:
	rm -f laplacien_mpi.out output.pgm