add test for SparseMatrixEZ<>.set()

diff --git a/tests/lac/sparse_matrix_ez_00.cc b/tests/lac/sparse_matrix_ez_00.cc
new file mode 100644 (file)
index 0000000..76e1922
--- /dev/null
+++ b/tests/lac/sparse_matrix_ez_00.cc
@@ -0,0 +1,97 @@
+// ---------------------------------------------------------------------
+//
+// Copyright (C) 2015 by the deal.II authors
+//
+// This file is part of the deal.II library.
+//
+// The deal.II library is free software; you can use it, redistribute
+// it, and/or modify it under the terms of the GNU Lesser General
+// Public License as published by the Free Software Foundation; either
+// version 2.1 of the License, or (at your option) any later version.
+// The full text of the license can be found in the file LICENSE at
+// the top level of the deal.II distribution.
+//
+// ---------------------------------------------------------------------
+
+
+// Test SparseMatrixEZ class's behavior on inserting zero entry and the
+// elide_zero_values flag.
+
+#include "../tests.h"
+#include <deal.II/lac/sparse_matrix_ez.h>
+
+#define NUMBER double
+
+int main(int argc, char *argv[])
+{
+  SparseMatrixEZ<NUMBER> m_ez(5,5,3);
+
+  std::ofstream logfile("output");
+  // Not use because SparseMatrixEZ has no interface with LogStream either with
+  // function .print() or operator <<
+
+  // Initialize the matrix
+  m_ez.set(0,0,1);
+
+  m_ez.set(1,0,2);
+  m_ez.set(1,1,3);
+
+  // The third row is filled to default length
+  m_ez.set(2,0,7);
+  m_ez.set(2,1,6.18);
+  m_ez.set(2,2,3.14);
+
+  // Put a non-zero at end of forth row's default length
+  m_ez.set(3,2,2.718);
+
+  // Fifth row is left empty
+
+  //------------------------
+
+  logfile << "The initial matrix:" << std::endl;
+  m_ez.print(logfile);
+
+  m_ez.set(0,1,0.0);
+  logfile << "Ignore a zero entry insertion:" << std::endl;
+  m_ez.print(logfile);
+
+  m_ez.set(1,0,0.0);
+  logfile << "Set existing entry (1,0) to zero:" << std::endl;
+  m_ez.print(logfile);
+
+  m_ez.set(1,2,0.0, /*elide_zero_values=*/false);
+  logfile << "Insert new zero to (1,2):" << std::endl;
+  m_ez.print(logfile);
+
+  m_ez.set(2,4,0.0, /*elide_zero_values=*/false);
+  logfile << "Insert new zero to (2,4), out of range of default row length:" << std::endl;
+  m_ez.print(logfile);
+
+  m_ez.set(2,1,0.0, /*elide_zero_values=*/false);
+  logfile << "Set existing entry (2,1) to zero with elide_zero_values=false:" << std::endl;
+  m_ez.print(logfile);
+
+  m_ez.set(3,0,1.414, /*elide_zero_values=*/false);
+  logfile << "Insert a non-zero entry at (3,0) with elide_zero_values=false:" << std::endl;
+  m_ez.print(logfile);
+
+  m_ez.set(4,4,0.0, /*elide_zero_values=*/false);
+  logfile << "Insert new zero entry to an empty row with elide_zero_values=false:" << std::endl;
+  m_ez.print(logfile);
+
+  {
+    SparseMatrixEZ<NUMBER> m_ez_cpoier(5,5,2);
+    m_ez_cpoier.copy_from(m_ez);
+    logfile << "Copy the matrix and drop all zeros:" << std::endl;
+    m_ez_cpoier.print(logfile);
+  }
+  {
+    SparseMatrixEZ<NUMBER> m_ez_cpoier(5,5,2);
+    m_ez_cpoier.copy_from(m_ez, /*elide_zero_values=*/false);
+    logfile << "Copy the matrix and keep all zeros:" << std::endl;
+    m_ez_cpoier.print(logfile);
+  }
+
+  logfile.close();
+  return (0);
+}

diff --git a/tests/lac/sparse_matrix_ez_00.output b/tests/lac/sparse_matrix_ez_00.output
new file mode 100644 (file)
index 0000000..105d1b3
--- /dev/null
+++ b/tests/lac/sparse_matrix_ez_00.output
@@ -0,0 +1,95 @@
+The initial matrix:
+0      0       1
+1      0       2
+1      1       3
+2      0       7
+2      1       6.18
+2      2       3.14
+3      2       2.718
+Ignore a zero entry insertion:
+0      0       1
+1      0       2
+1      1       3
+2      0       7
+2      1       6.18
+2      2       3.14
+3      2       2.718
+Set existing entry (1,0) to zero:
+0      0       1
+1      0       0
+1      1       3
+2      0       7
+2      1       6.18
+2      2       3.14
+3      2       2.718
+Insert new zero to (1,2):
+0      0       1
+1      0       0
+1      1       3
+1      2       0
+2      0       7
+2      1       6.18
+2      2       3.14
+3      2       2.718
+Insert new zero to (2,4), out of range of default row length:
+0      0       1
+1      0       0
+1      1       3
+1      2       0
+2      0       7
+2      1       6.18
+2      2       3.14
+2      4       0
+3      2       2.718
+Set existing entry (2,1) to zero with elide_zero_values=false:
+0      0       1
+1      0       0
+1      1       3
+1      2       0
+2      0       7
+2      1       0
+2      2       3.14
+2      4       0
+3      2       2.718
+Insert a non-zero entry at (3,0) with elide_zero_values=false:
+0      0       1
+1      0       0
+1      1       3
+1      2       0
+2      0       7
+2      1       0
+2      2       3.14
+2      4       0
+3      0       1.414
+3      2       2.718
+Insert new zero entry to an empty row with elide_zero_values=false:
+0      0       1
+1      0       0
+1      1       3
+1      2       0
+2      0       7
+2      1       0
+2      2       3.14
+2      4       0
+3      0       1.414
+3      2       2.718
+4      4       0
+Copy the matrix and drop all zeros:
+0      0       1
+1      1       3
+2      0       7
+2      2       3.14
+3      0       1.414
+3      2       2.718
+Copy the matrix and keep all zeros:
+0      0       1
+1      0       0
+1      1       3
+1      2       0
+2      0       7
+2      1       0
+2      2       3.14
+2      4       0
+3      0       1.414
+3      2       2.718
+4      4       0