private static void test01() //****************************************************************************80 // // Purpose: // // TEST01 tests ccs_TO_ST using a 1-based matrix. // // Discussion: // // This test uses a trivial matrix whose full representation is: // // 2 3 0 0 0 // 3 0 4 0 6 // A = 0 -1 -3 2 0 // 0 0 1 0 0 // 0 4 2 0 1 // // The 1-based CCS representation is // // # ICC CCC ACC // -- --- --- --- // 1 1 1 2 // 2 2 3 // // 3 1 3 3 // 4 3 -1 // 5 5 4 // // 6 2 6 4 // 7 3 -3 // 8 4 1 // 9 5 2 // // 10 3 10 2 // // 11 2 11 6 // 12 5 1 // // 13 * 13 // // Licensing: // // This code is distributed under the GNU LGPL license. // // Modified: // // 23 July 2014 // // Author: // // John Burkardt // { const int N = 5; const int NCC = 12; double[] acc = { 2.0, 3.0, 3.0, -1.0, 4.0, 4.0, -3.0, 1.0, 2.0, 2.0, 6.0, 1.0 } ; int[] ccc = { 1, 3, 6, 10, 11, 13 } ; int[] icc = { 1, 2, 1, 3, 5, 2, 3, 4, 5, 3, 2, 5 } ; const int m = 5; int nst = 0; Console.WriteLine(""); Console.WriteLine("TEST01"); Console.WriteLine(" Convert a 1-based CCS matrix to ST format."); // // Print the CCS matrix. // CompressedColumnStorage.ccs_print(m, N, NCC, icc, ccc, acc, " The CCS matrix:"); // // Convert it. // int[] ist = new int[NCC]; int[] jst = new int[NCC]; double[] ast = new double[NCC]; CompressedColumnStorage.ccs_to_st(m, N, NCC, icc, ccc, acc, ref nst, ref ist, ref jst, ref ast); // // Print the ST matrix. // SparseTriplet.st_print(m, N, nst, ist, jst, ast, " The ST matrix:"); }