1 // This file is part of Eigen, a lightweight C++ template library 2 // for linear algebra. 3 // 4 // Copyright (C) 2009 Guillaume Saupin <guillaume.saupin@cea.fr> 5 // 6 // This Source Code Form is subject to the terms of the Mozilla 7 // Public License v. 2.0. If a copy of the MPL was not distributed 8 // with this file, You can obtain one at http://mozilla.org/MPL/2.0/. 9 10 #ifndef EIGEN_SKYLINEUTIL_H 11 #define EIGEN_SKYLINEUTIL_H 12 13 namespace Eigen { 14 15 #ifdef NDEBUG 16 #define EIGEN_DBG_SKYLINE(X) 17 #else 18 #define EIGEN_DBG_SKYLINE(X) X 19 #endif 20 21 const unsigned int SkylineBit = 0x1200; 22 template<typename Lhs, typename Rhs, int ProductMode> class SkylineProduct; 23 enum AdditionalProductEvaluationMode {SkylineTimeDenseProduct, SkylineTimeSkylineProduct, DenseTimeSkylineProduct}; 24 enum {IsSkyline = SkylineBit}; 25 26 27 #define EIGEN_SKYLINE_INHERIT_ASSIGNMENT_OPERATOR(Derived, Op) \ 28 template<typename OtherDerived> \ 29 EIGEN_STRONG_INLINE Derived& operator Op(const Eigen::SkylineMatrixBase<OtherDerived>& other) \ 30 { \ 31 return Base::operator Op(other.derived()); \ 32 } \ 33 EIGEN_STRONG_INLINE Derived& operator Op(const Derived& other) \ 34 { \ 35 return Base::operator Op(other); \ 36 } 37 38 #define EIGEN_SKYLINE_INHERIT_SCALAR_ASSIGNMENT_OPERATOR(Derived, Op) \ 39 template<typename Other> \ 40 EIGEN_STRONG_INLINE Derived& operator Op(const Other& scalar) \ 41 { \ 42 return Base::operator Op(scalar); \ 43 } 44 45 #define EIGEN_SKYLINE_INHERIT_ASSIGNMENT_OPERATORS(Derived) \ 46 EIGEN_SKYLINE_INHERIT_ASSIGNMENT_OPERATOR(Derived, =) \ 47 EIGEN_SKYLINE_INHERIT_ASSIGNMENT_OPERATOR(Derived, +=) \ 48 EIGEN_SKYLINE_INHERIT_ASSIGNMENT_OPERATOR(Derived, -=) \ 49 EIGEN_SKYLINE_INHERIT_SCALAR_ASSIGNMENT_OPERATOR(Derived, *=) \ 50 EIGEN_SKYLINE_INHERIT_SCALAR_ASSIGNMENT_OPERATOR(Derived, /=) 51 52 #define _EIGEN_SKYLINE_GENERIC_PUBLIC_INTERFACE(Derived, BaseClass) \ 53 typedef BaseClass Base; \ 54 typedef typename Eigen::internal::traits<Derived>::Scalar Scalar; \ 55 typedef typename Eigen::NumTraits<Scalar>::Real RealScalar; \ 56 typedef typename Eigen::internal::traits<Derived>::StorageKind StorageKind; \ 57 typedef typename Eigen::internal::index<StorageKind>::type Index; \ 58 enum { Flags = Eigen::internal::traits<Derived>::Flags, }; 59 60 #define EIGEN_SKYLINE_GENERIC_PUBLIC_INTERFACE(Derived) \ 61 _EIGEN_SKYLINE_GENERIC_PUBLIC_INTERFACE(Derived, Eigen::SkylineMatrixBase<Derived>) 62 63 template<typename Derived> class SkylineMatrixBase; 64 template<typename _Scalar, int _Flags = 0> class SkylineMatrix; 65 template<typename _Scalar, int _Flags = 0> class DynamicSkylineMatrix; 66 template<typename _Scalar, int _Flags = 0> class SkylineVector; 67 template<typename _Scalar, int _Flags = 0> class MappedSkylineMatrix; 68 69 namespace internal { 70 71 template<typename Lhs, typename Rhs> struct skyline_product_mode; 72 template<typename Lhs, typename Rhs, int ProductMode = skyline_product_mode<Lhs,Rhs>::value> struct SkylineProductReturnType; 73 74 template<typename T> class eval<T,IsSkyline> 75 { 76 typedef typename traits<T>::Scalar _Scalar; 77 enum { 78 _Flags = traits<T>::Flags 79 }; 80 81 public: 82 typedef SkylineMatrix<_Scalar, _Flags> type; 83 }; 84 85 } // end namespace internal 86 87 } // end namespace Eigen 88 89 #endif // EIGEN_SKYLINEUTIL_H 90