bug #426: move operator && and || to MatrixBase and SparseMatrixBase.

test/array_for_matrix.cpp

diff --git a/test/array_for_matrix.cpp b/test/array_for_matrix.cpp
index 97e03be..c150194 100644
--- a/test/array_for_matrix.cpp
+++ b/test/array_for_matrix.cpp
@@ -134,6 +134,12 @@
   // count
   VERIFY(((m1.array().abs()+1)>RealScalar(0.1)).count() == rows*cols);
 
+  // and/or
+  VERIFY( ((m1.array()<RealScalar(0)).matrix() && (m1.array()>RealScalar(0)).matrix()).count() == 0);
+  VERIFY( ((m1.array()<RealScalar(0)).matrix() || (m1.array()>=RealScalar(0)).matrix()).count() == rows*cols);
+  RealScalar a = m1.cwiseAbs().mean();
+  VERIFY( ((m1.array()<-a).matrix() || (m1.array()>a).matrix()).count() == (m1.cwiseAbs().array()>a).count());
+
   typedef Matrix<typename MatrixType::Index, Dynamic, 1> VectorOfIndices;
 
   // TODO allows colwise/rowwise for array

test/sparse_basic.cpp

diff --git a/test/sparse_basic.cpp b/test/sparse_basic.cpp
index 552bbac..2a3117b 100644
--- a/test/sparse_basic.cpp
+++ b/test/sparse_basic.cpp
@@ -217,6 +217,21 @@
           refM1(it.row(), it.col()) += s1;
       VERIFY_IS_APPROX(m1, refM1);
     }
+
+    // and/or
+    {
+      typedef SparseMatrix<bool, SparseMatrixType::Options, typename SparseMatrixType::StorageIndex> SpBool;
+      SpBool mb1 = m1.real().template cast<bool>();
+      SpBool mb2 = m2.real().template cast<bool>();
+      VERIFY_IS_EQUAL(mb1.template cast<int>().sum(), refM1.real().template cast<bool>().count());
+      VERIFY_IS_EQUAL((mb1 && mb2).template cast<int>().sum(), (refM1.real().template cast<bool>() && refM2.real().template cast<bool>()).count());
+      VERIFY_IS_EQUAL((mb1 || mb2).template cast<int>().sum(), (refM1.real().template cast<bool>() || refM2.real().template cast<bool>()).count());
+      SpBool mb3 = mb1 && mb2;
+      if(mb1.coeffs().all() && mb2.coeffs().all())
+      {
+        VERIFY_IS_EQUAL(mb3.nonZeros(), (refM1.real().template cast<bool>() && refM2.real().template cast<bool>()).count());
+      }
+    }
   }
 
   // test reverse iterators