row_echelon_integer_test, a Fortran90 code which calls row_echelon_integer(), which carries out the exact computation of the integer row echelon form (IREF) and integer reduced row echelon form (IRREF) of an integer matrix.
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row_echelon_integer, a Fortran90 code which carries out the exact computation of the integer row echelon form (IREF) and integer reduced row echelon form (IRREF) of an integer matrix.