F11ZCF Example Program Results Elements of B NNZ = 7 B BROW BCOL 1 4.0000E+00 3 1 2 1.0000E+00 1 2 3 -1.0000E+00 2 4 4 0.0000E+00 1 4 5 2.0000E+00 1 1 6 1.0000E+00 2 3 7 1.0000E+00 3 3 Elements of C NNZ = 5 C CROW CCOL 1 2.0000E+00 3 4 2 4.0000E+00 1 1 3 2.0000E+00 1 3 4 -1.0000E+00 2 2 5 1.0000E+00 2 4 Summed and reordered elements of A = B + C, along columns first NNZ = 8 A IROW ICOL 1 6.0000E+00 1 1 2 4.0000E+00 3 1 3 1.0000E+00 1 2 4 -1.0000E+00 2 2 5 2.0000E+00 1 3 6 1.0000E+00 2 3 7 1.0000E+00 3 3 8 2.0000E+00 3 4 Same matrix in CCS format NNZ = 8 A IROW ISTC 1 6.0000E+00 1 1 2 4.0000E+00 3 3 3 1.0000E+00 1 5 4 -1.0000E+00 2 8 5 2.0000E+00 1 9 6 1.0000E+00 2 7 1.0000E+00 3 8 2.0000E+00 3 Same matrix with some rows put out of order NNZ = 8 A IROW ISTC 1 4.0000E+00 3 1 2 6.0000E+00 1 3 3 1.0000E+00 1 5 4 -1.0000E+00 2 8 5 1.0000E+00 3 9 6 1.0000E+00 2 7 2.0000E+00 1 8 2.0000E+00 3 Rows reordered and matrix converted from CCS to CS format NNZ = 8 A IROW ICOL 1 6.0000E+00 1 1 2 4.0000E+00 3 1 3 1.0000E+00 1 2 4 -1.0000E+00 2 2 5 2.0000E+00 1 3 6 1.0000E+00 2 3 7 1.0000E+00 3 3 8 2.0000E+00 3 4 Transpose of this matrix passed to get row-major order NNZ = 8 A IROW ICOL 1 6.0000E+00 1 1 2 1.0000E+00 1 2 3 2.0000E+00 1 3 4 -1.0000E+00 2 2 5 1.0000E+00 2 3 6 4.0000E+00 3 1 7 1.0000E+00 3 3 8 2.0000E+00 3 4