| c++ Programming Glossary: data_as_txtwriting a matrix into a single txt file with mpi http://stackoverflow.com/questions/9777828/writing-a-matrix-into-a-single-txt-file-with-mpi  num_as_string convert our data into txt char data_as_txt malloc locnrows ncols charspernum sizeof char int count 0 for.. for int i 0 i locnrows i for int j 0 j ncols 1 j  sprintf data_as_txt count charspernum fmt data i j  count  sprintf data_as_txt count.. data_as_txt count charspernum fmt data i j  count  sprintf data_as_txt count charspernum endfmt data i ncols 1 count printf d s n rank.. 
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