merge

Eigen/src/Core/util/BlasUtil.h

@@ -166,7 +166,7 @@ template<typename XprType> struct ei_blas_traits
   };
   typedef typename ei_meta_if<int(ActualAccess)==HasDirectAccess,
     ExtractType,
-    typename _ExtractType::PlainMatrixType
+    typename _ExtractType::PlainObject
     >::ret DirectLinearAccessType;
   static inline ExtractType extract(const XprType& x) { return x; }
   static inline Scalar extractScalarFactor(const XprType&) { return Scalar(1); }
@@ -227,7 +227,7 @@ struct ei_blas_traits<Transpose<NestedXpr> >
   typedef Transpose<typename Base::_ExtractType> _ExtractType;
   typedef typename ei_meta_if<int(Base::ActualAccess)==HasDirectAccess,
     ExtractType,
-    typename ExtractType::PlainMatrixType
+    typename ExtractType::PlainObject
     >::ret DirectLinearAccessType;
   enum {
     IsTransposed = Base::IsTransposed ? 0 : 1
@@ -236,4 +236,22 @@ struct ei_blas_traits<Transpose<NestedXpr> >
   static inline Scalar extractScalarFactor(const XprType& x) { return Base::extractScalarFactor(x.nestedExpression()); }
 };
 
+template<typename T, int Access=ei_blas_traits<T>::ActualAccess>
+struct ei_extract_data_selector {
+  static const typename T::Scalar* run(const T& m)
+  {
+    return &ei_blas_traits<T>::extract(m).const_cast_derived().coeffRef(0,0); // FIXME this should be .data()
+  }
+};
+
+template<typename T>
+struct ei_extract_data_selector<T,NoDirectAccess> {
+  static typename T::Scalar* run(const T&) { return 0; }
+};
+
+template<typename T> const typename T::Scalar* ei_extract_data(const T& m)
+{
+  return ei_extract_data_selector<T>::run(m);
+}
+
 #endif // EIGEN_BLASUTIL_H

Eigen/src/Core/util/ForwardDeclarations.h

@@ -29,7 +29,7 @@
 template<typename T> struct ei_traits;
 template<typename T> struct NumTraits;
 
-template<typename Derived> struct AnyMatrixBase;
+template<typename Derived> struct EigenBase;
 
 template<typename _Scalar, int _Rows, int _Cols,
          int _Options = EIGEN_DEFAULT_MATRIX_STORAGE_ORDER_OPTION | AutoAlign,

Eigen/src/Core/util/Macros.h

@@ -211,7 +211,7 @@ using Eigen::ei_cos;
  */
 #if !EIGEN_ALIGN
   #define EIGEN_ALIGN_TO_BOUNDARY(n)
-#elif (defined __GNUC__)
+#elif (defined __GNUC__) || (defined __PGI)
   #define EIGEN_ALIGN_TO_BOUNDARY(n) __attribute__((aligned(n)))
 #elif (defined _MSC_VER)
   #define EIGEN_ALIGN_TO_BOUNDARY(n) __declspec(align(n))

Eigen/src/Core/util/XprHelper.h

@@ -147,7 +147,7 @@ template<typename T, typename StorageType = typename ei_traits<T>::StorageType>
 template<typename T> struct ei_eval<T,Dense>
 {
   typedef typename ei_plain_matrix_type<T>::type type;
-//   typedef typename T::PlainMatrixType type;
+//   typedef typename T::PlainObject type;
 //   typedef T::Matrix<typename ei_traits<T>::Scalar,
 //                 ei_traits<T>::RowsAtCompileTime,
 //                 ei_traits<T>::ColsAtCompileTime,
@@ -201,6 +201,18 @@ template<typename T> struct ei_plain_matrix_type_row_major
 // we should be able to get rid of this one too
 template<typename T> struct ei_must_nest_by_value { enum { ret = false }; };
 
+template<class T>
+struct ei_is_reference
+{
+  enum { ret = false };
+};
+
+template<class T>
+struct ei_is_reference<T&>
+{
+  enum { ret = true };
+};
+
 /**
 * The reference selector for template expressions. The idea is that we don't
 * need to use references for expressions since they are light weight proxy
@@ -234,7 +246,7 @@ struct ei_ref_selector
   * const Matrix3d&, because the internal logic of ei_nested determined that since a was already a matrix, there was no point
   * in copying it into another matrix.
   */
-template<typename T, int n=1, typename PlainMatrixType = typename ei_eval<T>::type> struct ei_nested
+template<typename T, int n=1, typename PlainObject = typename ei_eval<T>::type> struct ei_nested
 {
   enum {
     CostEval   = (n+1) * int(NumTraits<typename ei_traits<T>::Scalar>::ReadCost),
@@ -244,7 +256,7 @@ template<typename T, int n=1, typename PlainMatrixType = typename ei_eval<T>::ty
   typedef typename ei_meta_if<
     ( int(ei_traits<T>::Flags) & EvalBeforeNestingBit ) ||
     ( int(CostEval) <= int(CostNoEval) ),
-      PlainMatrixType,
+      PlainObject,
       typename ei_ref_selector<T>::type
   >::ret type;
 };
@@ -258,7 +270,7 @@ template<unsigned int Flags> struct ei_are_flags_consistent
   * overloads for complex types */
 template<typename Derived,typename Scalar,typename OtherScalar,
          bool EnableIt = !ei_is_same_type<Scalar,OtherScalar>::ret >
-struct ei_special_scalar_op_base : public AnyMatrixBase<Derived>
+struct ei_special_scalar_op_base : public EigenBase<Derived>
 {
   // dummy operator* so that the
   // "using ei_special_scalar_op_base::operator*" compiles
@@ -266,7 +278,7 @@ struct ei_special_scalar_op_base : public AnyMatrixBase<Derived>
 };
 
 template<typename Derived,typename Scalar,typename OtherScalar>
-struct ei_special_scalar_op_base<Derived,Scalar,OtherScalar,true>  : public AnyMatrixBase<Derived>
+struct ei_special_scalar_op_base<Derived,Scalar,OtherScalar,true>  : public EigenBase<Derived>
 {
   const CwiseUnaryOp<ei_scalar_multiple2_op<Scalar,OtherScalar>, Derived>
   operator*(const OtherScalar& scalar) const