From 22a6ab1f4b473a97b1d9bf27eb91788f35d9ac40 Mon Sep 17 00:00:00 2001
From: Gael Guennebaud <g.gael@free.fr>
Date: Wed, 16 Dec 2009 17:37:21 +0100
Subject: add an eigen2support test and a few fixes

---
 test/eigen2support.cpp | 68 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 68 insertions(+)
 create mode 100644 test/eigen2support.cpp

(limited to 'test/eigen2support.cpp')

diff --git a/test/eigen2support.cpp b/test/eigen2support.cpp
new file mode 100644
index 000000000..de39be5c8
--- /dev/null
+++ b/test/eigen2support.cpp
@@ -0,0 +1,68 @@
+// This file is part of Eigen, a lightweight C++ template library
+// for linear algebra.
+//
+// Copyright (C) 2009 Gael Guennebaud <g.gael@free.fr>
+//
+// Eigen is free software; you can 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 3 of the License, or (at your option) any later version.
+//
+// Alternatively, 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 of
+// the License, 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 Lesser General Public License or the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public
+// License and a copy of the GNU General Public License along with
+// Eigen. If not, see <http://www.gnu.org/licenses/>.
+
+#define EIGEN2_SUPPORT
+
+#include "main.h"
+
+template<typename MatrixType> void eigen2support(const MatrixType& m)
+{
+  typedef typename MatrixType::Scalar Scalar;
+
+  int rows = m.rows();
+  int cols = m.cols();
+
+  MatrixType m1 = MatrixType::Random(rows, cols),
+             m2 = MatrixType::Random(rows, cols),
+             m3(rows, cols);
+
+  Scalar  s1 = ei_random<Scalar>(),
+          s2 = ei_random<Scalar>();
+
+  // scalar addition
+  VERIFY_IS_APPROX(m1.cwise() + s1, s1 + m1.cwise());
+  VERIFY_IS_APPROX(m1.cwise() + s1, MatrixType::Constant(rows,cols,s1) + m1);
+  VERIFY_IS_APPROX((m1*Scalar(2)).cwise() - s2, (m1+m1) - MatrixType::Constant(rows,cols,s2) );
+  m3 = m1;
+  m3.cwise() += s2;
+  VERIFY_IS_APPROX(m3, m1.cwise() + s2);
+  m3 = m1;
+  m3.cwise() -= s1;
+  VERIFY_IS_APPROX(m3, m1.cwise() - s1);
+
+
+
+}
+
+void test_eigen2support()
+{
+  for(int i = 0; i < g_repeat; i++) {
+    CALL_SUBTEST_1( eigen2support(Matrix<double,1,1>()) );
+    CALL_SUBTEST_2( eigen2support(MatrixXd(1,1)) );
+    CALL_SUBTEST_4( eigen2support(Matrix3f()) );
+    CALL_SUBTEST_5( eigen2support(Matrix4d()) );
+    CALL_SUBTEST_2( eigen2support(MatrixXf(200,200)) );
+    CALL_SUBTEST_6( eigen2support(MatrixXcd(100,100)) );
+  }
+}
-- 
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