Fixed conservativeResize.

Fixed multiple overloads for operator=.
Removed debug output.

Eigen/src/Core/DenseStorageBase.h

@@ -551,7 +551,7 @@ struct ei_conservative_resize_like_impl
     const int common_rows = std::min(rows, _this.rows());
     const int common_cols = std::min(cols, _this.cols());
     tmp.block(0,0,common_rows,common_cols) = _this.block(0,0,common_rows,common_cols);
-    _this.swap(tmp);
+    _this.derived().swap(tmp);
   }
 
   static void run(DenseBase<Derived>& _this, const DenseBase<OtherDerived>& other)
@@ -583,7 +583,7 @@ struct ei_conservative_resize_like_impl<Derived,OtherDerived,true>
     typename Derived::PlainMatrixType tmp(size);
     const int common_size = std::min<int>(_this.size(),size);
     tmp.segment(0,common_size) = _this.segment(0,common_size);
-    _this.swap(tmp);
+    _this.derived().swap(tmp);
   }
 
   static void run(DenseBase<Derived>& _this, const DenseBase<OtherDerived>& other)

Eigen/src/Core/Matrix.h

@@ -152,6 +152,14 @@ class Matrix
     using Base::coeff;
     using Base::coeffRef;
 
+    /** This is a special case of the templated operator=. Its purpose is to
+      * prevent a default operator= from hiding the templated operator=.
+      */
+    EIGEN_STRONG_INLINE Matrix& operator=(const Matrix& other)
+    {
+      return Base::_set(other);
+    }
+
     /** Copies the value of the expression \a other into \c *this with automatic resizing.
       *
       * *this might be resized to match the dimensions of \a other. If *this was a null matrix (not already initialized),
@@ -167,15 +175,18 @@ class Matrix
       return Base::_set(other);
     }
 
-    /** This is a special case of the templated operator=. Its purpose is to
+    /**
-      * prevent a default operator= from hiding the templated operator=.
+      * The usage of 
+      *   using Base::operator=;
+      * fails on MSVC. Since the code below is working with GCC and MSVC, we skipped
+      * the usage of 'using'. This should be done only for operator=.
       */
-    EIGEN_STRONG_INLINE Matrix& operator=(const Matrix& other)
+    template<typename OtherDerived>
+    EIGEN_STRONG_INLINE Matrix& operator=(const AnyMatrixBase<OtherDerived> &other)
     {
-      return Base::_set(other);
+      return Base::operator=(other);
     }
 
-    using Base::operator =;
     using Base::operator +=;
     using Base::operator -=;
     using Base::operator *=;
@@ -292,6 +303,8 @@ class Matrix
     {
       Base::_check_template_params();
       Base::resize(other.rows(), other.cols());
+      // FIXME/CHECK: isn't *this = other.derived() more efficient. it allows to 
+      //              go for pure _set() implementations, right?
       *this = other;
     }
 

Eigen/src/Core/arch/SSE/PacketMath.h

@@ -181,9 +181,9 @@ template<> EIGEN_STRONG_INLINE Packet2d ei_pload<double>(const double*  from) {
 template<> EIGEN_STRONG_INLINE Packet4i ei_pload<int>(const int* from) { EIGEN_DEBUG_ALIGNED_LOAD return _mm_load_si128(reinterpret_cast<const Packet4i*>(from)); }
 
 #if (!defined __GNUC__) && (!defined __ICC)
-template<> EIGEN_STRONG_INLINE Packet4f ei_ploadu(const float*   from) { return EIGEN_DEBUG_UNALIGNED_LOAD _mm_loadu_ps(from); }
+template<> EIGEN_STRONG_INLINE Packet4f ei_ploadu(const float*   from) { EIGEN_DEBUG_UNALIGNED_LOAD return _mm_loadu_ps(from); }
-template<> EIGEN_STRONG_INLINE Packet2d ei_ploadu<double>(const double*  from) { return EIGEN_DEBUG_UNALIGNED_LOAD _mm_loadu_pd(from); }
+template<> EIGEN_STRONG_INLINE Packet2d ei_ploadu<double>(const double*  from) { EIGEN_DEBUG_UNALIGNED_LOAD return _mm_loadu_pd(from); }
-template<> EIGEN_STRONG_INLINE Packet4i ei_ploadu<int>(const int* from) { return EIGEN_DEBUG_UNALIGNED_LOAD _mm_loadu_si128(reinterpret_cast<const Packet4i*>(from)); }
+template<> EIGEN_STRONG_INLINE Packet4i ei_ploadu<int>(const int* from) { EIGEN_DEBUG_UNALIGNED_LOAD return _mm_loadu_si128(reinterpret_cast<const Packet4i*>(from)); }
 #else
 // Fast unaligned loads. Note that here we cannot directly use intrinsics: this would
 // require pointer casting to incompatible pointer types and leads to invalid code

test/jacobisvd.cpp

@@ -54,8 +54,8 @@ template<typename MatrixType, unsigned int Options> void svd(const MatrixType& m
   MatrixUType u = svd.matrixU();
   MatrixVType v = svd.matrixV();
 
-  std::cout << "a\n" << a << std::endl;
+  //std::cout << "a\n" << a << std::endl;
-  std::cout << "b\n" << u * sigma * v.adjoint() << std::endl;
+  //std::cout << "b\n" << u * sigma * v.adjoint() << std::endl;
   
   VERIFY_IS_APPROX(a, u * sigma * v.adjoint());
   VERIFY_IS_UNITARY(u);