From 7c384752918640c6073afe32dce9808fa6c4f3a6 Mon Sep 17 00:00:00 2001
From: Benoit Jacob <jacob.benoit.1@gmail.com>
Date: Sat, 15 Dec 2007 18:16:30 +0000
Subject: -add Ones, DiagonalMatrix, DiagonalCoeffs -expand and improve
 unit-tests -various renaming and improvements

---
 test/miscmatrices.cpp | 68 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 68 insertions(+)
 create mode 100644 test/miscmatrices.cpp

(limited to 'test/miscmatrices.cpp')

diff --git a/test/miscmatrices.cpp b/test/miscmatrices.cpp
new file mode 100644
index 000000000..052d5ec91
--- /dev/null
+++ b/test/miscmatrices.cpp
@@ -0,0 +1,68 @@
+// This file is part of Eigen, a lightweight C++ template library
+// for linear algebra. Eigen itself is part of the KDE project.
+//
+// Copyright (C) 2006-2007 Benoit Jacob <jacob@math.jussieu.fr>
+//
+// Eigen is free software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the Free Software
+// Foundation; either version 2 or (at your option) any later version.
+//
+// Eigen is distributed in the hope that it will be useful, but WITHOUT ANY
+// WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+// FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
+// details.
+//
+// You should have received a copy of the GNU General Public License along
+// with Eigen; if not, write to the Free Software Foundation, Inc., 51
+// Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+//
+// As a special exception, if other files instantiate templates or use macros
+// or functions from this file, or you compile this file and link it
+// with other works to produce a work based on this file, this file does not
+// by itself cause the resulting work to be covered by the GNU General Public
+// License. This exception does not invalidate any other reasons why a work
+// based on this file might be covered by the GNU General Public License.
+
+#include "main.h"
+
+namespace Eigen {
+
+template<typename MatrixType> void miscMatrices(const MatrixType& m)
+{
+  /* this test covers the following files:
+     DiagonalMatrix.h Ones.h
+  */
+
+  typedef typename MatrixType::Scalar Scalar;
+  typedef Matrix<Scalar, MatrixType::RowsAtCompileTime, 1> VectorType;
+  typedef Matrix<Scalar, 1, MatrixType::ColsAtCompileTime> RowVectorType;
+  int rows = m.rows();
+  int cols = m.cols();
+  
+  int r = random<int>(0, rows-1), r2 = random<int>(0, rows-1), c = random<int>(0, cols-1);
+  VERIFY_IS_APPROX(MatrixType::ones(rows,cols)(r,c), static_cast<Scalar>(1));
+  MatrixType m1 = MatrixType::ones(rows,cols);
+  VERIFY_IS_APPROX(m1(r,c), static_cast<Scalar>(1));
+  VectorType v1 = VectorType::random(rows);
+  v1[0];
+  Matrix<Scalar, MatrixType::RowsAtCompileTime, MatrixType::RowsAtCompileTime>
+  square = MatrixType::diagonal(v1);
+  if(r==r2) VERIFY_IS_APPROX(square(r,r2), v1[r]);
+  else VERIFY_IS_MUCH_SMALLER_THAN(square(r,r2), static_cast<Scalar>(1));
+  square = MatrixType::zero(rows, rows);
+  square.diagonal() = VectorType::ones(rows);
+  VERIFY_IS_APPROX(square, MatrixType::identity(rows));
+}
+
+void EigenTest::testMiscMatrices()
+{
+  for(int i = 0; i < m_repeat; i++) {
+    miscMatrices(Matrix<float, 1, 1>());
+    miscMatrices(Matrix4d());
+    miscMatrices(MatrixXcf(3, 3));
+    miscMatrices(MatrixXi(8, 12));
+    miscMatrices(MatrixXcd(20, 20));
+  }
+}
+
+} // namespace Eigen
-- 
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