-add Ones, DiagonalMatrix, DiagonalCoeffs

-expand and improve unit-tests
-various renaming and improvements

test/CMakeLists.txt

@@ -9,6 +9,7 @@ SET(test_SRCS
   basicstuff.cpp
   adjoint.cpp
   submatrices.cpp
+  miscmatrices.cpp
 )
 QT4_AUTOMOC(${test_SRCS})
 

test/basicstuff.cpp

@@ -32,7 +32,7 @@ template<typename MatrixType> void basicStuff(const MatrixType& m)
   /* this test covers the following files:
      1) Explicitly (see comments below):
      Random.h Zero.h Identity.h Fuzzy.h Sum.h Difference.h
-     Opposite.h Product.h ScalarMultiple.h FromArray.h
+     Opposite.h Product.h ScalarMultiple.h Map.h
      
      2) Implicitly (the core stuff):
      MatrixBase.h Matrix.h MatrixStorage.h CopyHelper.h MatrixRef.h
@@ -84,7 +84,7 @@ template<typename MatrixType> void basicStuff(const MatrixType& m)
   // hence has no _write() method, the corresponding MatrixBase method (here zero())
   // should return a const-qualified object so that it is the const-qualified
   // operator() that gets called, which in turn calls _read().
-  VERIFY_IS_MUCH_SMALLER_THAN(MatrixType::zero()(r,c), static_cast<Scalar>(1));
+  VERIFY_IS_MUCH_SMALLER_THAN(MatrixType::zero(rows,cols)(r,c), static_cast<Scalar>(1));
   
   // test the linear structure, i.e. the following files:
   // Sum.h Difference.h Opposite.h ScalarMultiple.h
@@ -145,16 +145,16 @@ template<typename MatrixType> void basicStuff(const MatrixType& m)
   VERIFY_IS_APPROX(m1,                      identity*m1);
   VERIFY_IS_APPROX(v1,                      identity*v1);
   // again, test operator() to check const-qualification
-  VERIFY_IS_APPROX(MatrixType::identity()(r,c), static_cast<Scalar>(r==c));
+  VERIFY_IS_APPROX(MatrixType::identity(std::max(rows,cols))(r,c), static_cast<Scalar>(r==c));
   
-  // test FromArray.h
+  // test Map.h
   Scalar* array1 = new Scalar[rows];
   Scalar* array2 = new Scalar[rows];
-  Matrix<Scalar, Dynamic, 1>::fromArray(array1, rows) = Matrix<Scalar, Dynamic, 1>::random(rows);
-  Matrix<Scalar, Dynamic, 1>::fromArray(array2, rows)
-    = Matrix<Scalar, Dynamic, 1>::fromArray(array1, rows);
-  Matrix<Scalar, Dynamic, 1> ma1 = Matrix<Scalar, Dynamic, 1>::fromArray(array1, rows);
-  Matrix<Scalar, Dynamic, 1> ma2 = Matrix<Scalar, Dynamic, 1>::fromArray(array2, rows);
+  Matrix<Scalar, Dynamic, 1>::map(array1, rows) = Matrix<Scalar, Dynamic, 1>::random(rows);
+  Matrix<Scalar, Dynamic, 1>::map(array2, rows)
+    = Matrix<Scalar, Dynamic, 1>::map(array1, rows);
+  Matrix<Scalar, Dynamic, 1> ma1 = Matrix<Scalar, Dynamic, 1>::map(array1, rows);
+  Matrix<Scalar, Dynamic, 1> ma2 = Matrix<Scalar, Dynamic, 1>::map(array2, rows);
   VERIFY_IS_APPROX(ma1, ma2);
   delete[] array1;
   delete[] array2;

test/main.h

@@ -116,7 +116,7 @@ class EigenTest : public QObject
     void testBasicStuff();
     void testAdjoint();
     void testSubmatrices();
- 
+    void testMiscMatrices();
   protected:
     int m_repeat;
 };

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

test/submatrices.cpp

@@ -30,9 +30,9 @@ namespace Eigen {
 template<typename MatrixType> void submatrices(const MatrixType& m)
 {
   /* this test covers the following files:
-     Transpose.h Conjugate.h Dot.h
+     Row.h Column.h Block.h DynBlock.h Minor.h DiagonalCoeffs.h
   */
-
+  
   typedef typename MatrixType::Scalar Scalar;
   typedef Matrix<Scalar, MatrixType::RowsAtCompileTime, 1> VectorType;
   typedef Matrix<Scalar, 1, MatrixType::ColsAtCompileTime> RowVectorType;
@@ -54,10 +54,6 @@ template<typename MatrixType> void submatrices(const MatrixType& m)
 
   Scalar s1 = random<Scalar>();
   
-  /* this test covers the following files:
-     Row.h Column.h Block.h DynBlock.h Minor.h
-  */
-  
   int r1 = random<int>(0,rows-1);
   int r2 = random<int>(r1,rows-1);
   int c1 = random<int>(0,cols-1);
@@ -91,6 +87,12 @@ template<typename MatrixType> void submatrices(const MatrixType& m)
     //check operator(), both constant and non-constant, on minor()
     m1.minor(r1,c1)(0,0) = m1.minor(0,0)(0,0);
   }
+  
+  //check diagonal()
+  VERIFY_IS_APPROX(m1.diagonal(), m1.transpose().diagonal());
+  m2.diagonal() = 2 * m1.diagonal();
+  m2.diagonal()[0] *= 3;
+  VERIFY_IS_APPROX(m2.diagonal()[0], static_cast<Scalar>(6) * m1.diagonal()[0]);
 }
 
 void EigenTest::testSubmatrices()