linpack_d_test, a C++ code which calls linpack_d(), which solves systems of linear equations for a variety of matrix types and storage modes, using double precision real arithmetic, by Jack Dongarra, Cleve Moler, Jim Bunch, Pete Stewart.
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linpack_d, a C++ code which factors and solves linear systems using double precision real arithmetic, by Jack Dongarra, Jim Bunch, Cleve Moler, Pete Stewart.