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