add an eigen2support test and a few fixes

Eigen/src/Array/ArrayBase.h

@@ -82,14 +82,10 @@ template<typename Derived> class ArrayBase
     using Base::size;
     using Base::coeff;
     using Base::coeffRef;
-//     using Base::;
+    using Base::operator=;
-//     using Base::;
     
     typedef typename Base::RealScalar RealScalar;
     typedef typename Base::CoeffReturnType CoeffReturnType;
-//     typedef typename Base::ColXpr ColXpr;
-//     typedef typename Base::RowXpr RowXpr;
-//     typedef typename Base::;
 #endif // not EIGEN_PARSED_BY_DOXYGEN
 
 #ifndef EIGEN_PARSED_BY_DOXYGEN
@@ -144,6 +140,8 @@ template<typename Derived> class ArrayBase
 //     Derived& lazyAssign(const ArrayBase<OtherDerived>& other);
 #endif // not EIGEN_PARSED_BY_DOXYGEN
 
+    Derived& operator+=(const Scalar& scalar)
+    { return *this = derived() + scalar; }
 
     template<typename OtherDerived>
     Derived& operator+=(const ArrayBase<OtherDerived>& other);

Eigen/src/Array/ArrayWrapper.h

@@ -34,7 +34,9 @@ template<typename ExpressionType>
 class ArrayWrapper : public ArrayBase<ArrayWrapper<ExpressionType> >
 {
   public:
-    EIGEN_GENERIC_PUBLIC_INTERFACE(ArrayWrapper)
+    typedef ArrayBase<ArrayWrapper> Base;
+    _EIGEN_DENSE_PUBLIC_INTERFACE(ArrayWrapper)
+    EIGEN_INHERIT_ASSIGNMENT_OPERATORS(ArrayWrapper)
 
     inline ArrayWrapper(const ExpressionType& matrix) : m_expression(matrix) {}
 

test/CMakeLists.txt

@@ -160,6 +160,7 @@ ei_add_test(householder)
 ei_add_test(swap)
 ei_add_test(conservative_resize)
 ei_add_test(permutationmatrices)
+ei_add_test(eigen2support)
 
 ei_add_property(EIGEN_TESTING_SUMMARY "CXX:               ${CMAKE_CXX_COMPILER}\n")
 if(CMAKE_COMPILER_IS_GNUCXX)

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)) );
+  }
+}

test/product_trsm.cpp

@@ -40,8 +40,8 @@ template<typename Scalar> void trsm(int size,int cols)
   Matrix<Scalar,Dynamic,Dynamic,ColMajor> cmRhs(size,cols), ref(size,cols);
   Matrix<Scalar,Dynamic,Dynamic,RowMajor> rmRhs(size,cols);
 
-  cmLhs.setRandom(); cmLhs *= static_cast<RealScalar>(0.1); cmLhs.diagonal().cwise() += static_cast<RealScalar>(1);
+  cmLhs.setRandom(); cmLhs *= static_cast<RealScalar>(0.1); cmLhs.diagonal().array() += static_cast<RealScalar>(1);
-  rmLhs.setRandom(); rmLhs *= static_cast<RealScalar>(0.1); rmLhs.diagonal().cwise() += static_cast<RealScalar>(1);
+  rmLhs.setRandom(); rmLhs *= static_cast<RealScalar>(0.1); rmLhs.diagonal().array() += static_cast<RealScalar>(1);
 
   VERIFY_TRSM(cmLhs.conjugate().template triangularView<LowerTriangular>(), cmRhs);
   VERIFY_TRSM(cmLhs            .template triangularView<UpperTriangular>(), cmRhs);