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c++ Programming Glossary: num_as_stringwriting a matrix into a single txt file with mpi http://stackoverflow.com/questions/9777828/writing-a-matrix-into-a-single-txt-file-with-mpi offset MPI_File file MPI_Status status MPI_Datatype num_as_string MPI_Datatype localarray const int nrows 10 const int ncols 10.. charspernum chars MPI_Type_contiguous charspernum MPI_CHAR num_as_string MPI_Type_commit num_as_string convert our data into txt char.. charspernum MPI_CHAR num_as_string MPI_Type_commit num_as_string convert our data into txt char data_as_txt malloc locnrows ncols..
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