Eigen  3.3.3
Assign.h
00001 // This file is part of Eigen, a lightweight C++ template library
00002 // for linear algebra.
00003 //
00004 // Copyright (C) 2007 Michael Olbrich <michael.olbrich@gmx.net>
00005 // Copyright (C) 2006-2010 Benoit Jacob <jacob.benoit.1@gmail.com>
00006 // Copyright (C) 2008 Gael Guennebaud <gael.guennebaud@inria.fr>
00007 //
00008 // This Source Code Form is subject to the terms of the Mozilla
00009 // Public License v. 2.0. If a copy of the MPL was not distributed
00010 // with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
00011 
00012 #ifndef EIGEN_ASSIGN_H
00013 #define EIGEN_ASSIGN_H
00014 
00015 namespace Eigen {
00016 
00017 template<typename Derived>
00018 template<typename OtherDerived>
00019 EIGEN_STRONG_INLINE Derived& DenseBase<Derived>
00020   ::lazyAssign(const DenseBase<OtherDerived>& other)
00021 {
00022   enum{
00023     SameType = internal::is_same<typename Derived::Scalar,typename OtherDerived::Scalar>::value
00024   };
00025 
00026   EIGEN_STATIC_ASSERT_LVALUE(Derived)
00027   EIGEN_STATIC_ASSERT_SAME_MATRIX_SIZE(Derived,OtherDerived)
00028   EIGEN_STATIC_ASSERT(SameType,YOU_MIXED_DIFFERENT_NUMERIC_TYPES__YOU_NEED_TO_USE_THE_CAST_METHOD_OF_MATRIXBASE_TO_CAST_NUMERIC_TYPES_EXPLICITLY)
00029 
00030   eigen_assert(rows() == other.rows() && cols() == other.cols());
00031   internal::call_assignment_no_alias(derived(),other.derived());
00032   
00033   return derived();
00034 }
00035 
00036 template<typename Derived>
00037 template<typename OtherDerived>
00038 EIGEN_DEVICE_FUNC
00039 EIGEN_STRONG_INLINE Derived& DenseBase<Derived>::operator=(const DenseBase<OtherDerived>& other)
00040 {
00041   internal::call_assignment(derived(), other.derived());
00042   return derived();
00043 }
00044 
00045 template<typename Derived>
00046 EIGEN_DEVICE_FUNC
00047 EIGEN_STRONG_INLINE Derived& DenseBase<Derived>::operator=(const DenseBase& other)
00048 {
00049   internal::call_assignment(derived(), other.derived());
00050   return derived();
00051 }
00052 
00053 template<typename Derived>
00054 EIGEN_DEVICE_FUNC
00055 EIGEN_STRONG_INLINE Derived& MatrixBase<Derived>::operator=(const MatrixBase& other)
00056 {
00057   internal::call_assignment(derived(), other.derived());
00058   return derived();
00059 }
00060 
00061 template<typename Derived>
00062 template <typename OtherDerived>
00063 EIGEN_DEVICE_FUNC
00064 EIGEN_STRONG_INLINE Derived& MatrixBase<Derived>::operator=(const DenseBase<OtherDerived>& other)
00065 {
00066   internal::call_assignment(derived(), other.derived());
00067   return derived();
00068 }
00069 
00070 template<typename Derived>
00071 template <typename OtherDerived>
00072 EIGEN_DEVICE_FUNC
00073 EIGEN_STRONG_INLINE Derived& MatrixBase<Derived>::operator=(const EigenBase<OtherDerived>& other)
00074 {
00075   internal::call_assignment(derived(), other.derived());
00076   return derived();
00077 }
00078 
00079 template<typename Derived>
00080 template<typename OtherDerived>
00081 EIGEN_DEVICE_FUNC
00082 EIGEN_STRONG_INLINE Derived& MatrixBase<Derived>::operator=(const ReturnByValue<OtherDerived>& other)
00083 {
00084   other.derived().evalTo(derived());
00085   return derived();
00086 }
00087 
00088 } // end namespace Eigen
00089 
00090 #endif // EIGEN_ASSIGN_H
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