Shuto Naruse
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Eurobot2012_Secondary
Eurobot2012_Secondary
Fork of Eurobot_2012_Secondary by
tvmet/meta/Gemtv.h@1:cc2a9eb0bd55, 2012-10-17 (annotated)
- Committer:
- narshu
- Date:
- Wed Oct 17 22:25:31 2012 +0000
- Revision:
- 1:cc2a9eb0bd55
Commit before publishing
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
narshu | 1:cc2a9eb0bd55 | 1 | /* |
narshu | 1:cc2a9eb0bd55 | 2 | * Tiny Vector Matrix Library |
narshu | 1:cc2a9eb0bd55 | 3 | * Dense Vector Matrix Libary of Tiny size using Expression Templates |
narshu | 1:cc2a9eb0bd55 | 4 | * |
narshu | 1:cc2a9eb0bd55 | 5 | * Copyright (C) 2001 - 2007 Olaf Petzold <opetzold@users.sourceforge.net> |
narshu | 1:cc2a9eb0bd55 | 6 | * |
narshu | 1:cc2a9eb0bd55 | 7 | * This library is free software; you can redistribute it and/or |
narshu | 1:cc2a9eb0bd55 | 8 | * modify it under the terms of the GNU Lesser General Public |
narshu | 1:cc2a9eb0bd55 | 9 | * License as published by the Free Software Foundation; either |
narshu | 1:cc2a9eb0bd55 | 10 | * version 2.1 of the License, or (at your option) any later version. |
narshu | 1:cc2a9eb0bd55 | 11 | * |
narshu | 1:cc2a9eb0bd55 | 12 | * This library is distributed in the hope that it will be useful, |
narshu | 1:cc2a9eb0bd55 | 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
narshu | 1:cc2a9eb0bd55 | 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
narshu | 1:cc2a9eb0bd55 | 15 | * Lesser General Public License for more details. |
narshu | 1:cc2a9eb0bd55 | 16 | * |
narshu | 1:cc2a9eb0bd55 | 17 | * You should have received a copy of the GNU Lesser General Public |
narshu | 1:cc2a9eb0bd55 | 18 | * License along with this library; if not, write to the Free Software |
narshu | 1:cc2a9eb0bd55 | 19 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
narshu | 1:cc2a9eb0bd55 | 20 | * |
narshu | 1:cc2a9eb0bd55 | 21 | * $Id: Gemtv.h,v 1.8 2007-06-23 15:58:59 opetzold Exp $ |
narshu | 1:cc2a9eb0bd55 | 22 | */ |
narshu | 1:cc2a9eb0bd55 | 23 | |
narshu | 1:cc2a9eb0bd55 | 24 | #ifndef TVMET_META_GEMTV_H |
narshu | 1:cc2a9eb0bd55 | 25 | #define TVMET_META_GEMTV_H |
narshu | 1:cc2a9eb0bd55 | 26 | |
narshu | 1:cc2a9eb0bd55 | 27 | #include <tvmet/xpr/Null.h> |
narshu | 1:cc2a9eb0bd55 | 28 | |
narshu | 1:cc2a9eb0bd55 | 29 | namespace tvmet { |
narshu | 1:cc2a9eb0bd55 | 30 | |
narshu | 1:cc2a9eb0bd55 | 31 | namespace meta { |
narshu | 1:cc2a9eb0bd55 | 32 | |
narshu | 1:cc2a9eb0bd55 | 33 | |
narshu | 1:cc2a9eb0bd55 | 34 | /** |
narshu | 1:cc2a9eb0bd55 | 35 | * \class gemtv Gemtv.h "tvmet/meta/Gemtv.h" |
narshu | 1:cc2a9eb0bd55 | 36 | * \brief Meta class for matrix-transpose-vector operations. |
narshu | 1:cc2a9eb0bd55 | 37 | * using formula |
narshu | 1:cc2a9eb0bd55 | 38 | * \f[ |
narshu | 1:cc2a9eb0bd55 | 39 | * M^T\,v |
narshu | 1:cc2a9eb0bd55 | 40 | * \f] |
narshu | 1:cc2a9eb0bd55 | 41 | */ |
narshu | 1:cc2a9eb0bd55 | 42 | template<std::size_t Rows, std::size_t Cols, |
narshu | 1:cc2a9eb0bd55 | 43 | std::size_t I> |
narshu | 1:cc2a9eb0bd55 | 44 | class gemtv |
narshu | 1:cc2a9eb0bd55 | 45 | { |
narshu | 1:cc2a9eb0bd55 | 46 | gemtv(); |
narshu | 1:cc2a9eb0bd55 | 47 | gemtv(const gemtv&); |
narshu | 1:cc2a9eb0bd55 | 48 | gemtv& operator=(const gemtv&); |
narshu | 1:cc2a9eb0bd55 | 49 | |
narshu | 1:cc2a9eb0bd55 | 50 | private: |
narshu | 1:cc2a9eb0bd55 | 51 | enum { |
narshu | 1:cc2a9eb0bd55 | 52 | doIt = I < (Rows-1) /**< recursive counter */ |
narshu | 1:cc2a9eb0bd55 | 53 | }; |
narshu | 1:cc2a9eb0bd55 | 54 | |
narshu | 1:cc2a9eb0bd55 | 55 | public: |
narshu | 1:cc2a9eb0bd55 | 56 | /** Meta template for %Matrix lhs %Vector rhs product. */ |
narshu | 1:cc2a9eb0bd55 | 57 | template<class E1, class E2> |
narshu | 1:cc2a9eb0bd55 | 58 | static inline |
narshu | 1:cc2a9eb0bd55 | 59 | typename PromoteTraits< |
narshu | 1:cc2a9eb0bd55 | 60 | typename E1::value_type, |
narshu | 1:cc2a9eb0bd55 | 61 | typename E2::value_type |
narshu | 1:cc2a9eb0bd55 | 62 | >::value_type |
narshu | 1:cc2a9eb0bd55 | 63 | prod(const E1& lhs, const E2& rhs, std::size_t j) { |
narshu | 1:cc2a9eb0bd55 | 64 | return lhs(I, j) * rhs(I) |
narshu | 1:cc2a9eb0bd55 | 65 | + gemtv<Rows * doIt, Cols * doIt, |
narshu | 1:cc2a9eb0bd55 | 66 | (I+1)* doIt>::prod(lhs, rhs, j); |
narshu | 1:cc2a9eb0bd55 | 67 | } |
narshu | 1:cc2a9eb0bd55 | 68 | }; |
narshu | 1:cc2a9eb0bd55 | 69 | |
narshu | 1:cc2a9eb0bd55 | 70 | |
narshu | 1:cc2a9eb0bd55 | 71 | /** |
narshu | 1:cc2a9eb0bd55 | 72 | * \class gemtv<0,0,0> Gemtv.h "tvmet/meta/Gemtv.h" |
narshu | 1:cc2a9eb0bd55 | 73 | * \brief gemtv Specialized for recursion |
narshu | 1:cc2a9eb0bd55 | 74 | */ |
narshu | 1:cc2a9eb0bd55 | 75 | template<> |
narshu | 1:cc2a9eb0bd55 | 76 | class gemtv<0,0,0> |
narshu | 1:cc2a9eb0bd55 | 77 | { |
narshu | 1:cc2a9eb0bd55 | 78 | gemtv(); |
narshu | 1:cc2a9eb0bd55 | 79 | gemtv(const gemtv&); |
narshu | 1:cc2a9eb0bd55 | 80 | gemtv& operator=(const gemtv&); |
narshu | 1:cc2a9eb0bd55 | 81 | |
narshu | 1:cc2a9eb0bd55 | 82 | public: |
narshu | 1:cc2a9eb0bd55 | 83 | template<class E1, class E2> |
narshu | 1:cc2a9eb0bd55 | 84 | static inline |
narshu | 1:cc2a9eb0bd55 | 85 | XprNull prod(const E1&, const E2&, std::size_t) { |
narshu | 1:cc2a9eb0bd55 | 86 | return XprNull(); |
narshu | 1:cc2a9eb0bd55 | 87 | } |
narshu | 1:cc2a9eb0bd55 | 88 | }; |
narshu | 1:cc2a9eb0bd55 | 89 | |
narshu | 1:cc2a9eb0bd55 | 90 | |
narshu | 1:cc2a9eb0bd55 | 91 | } // namespace meta |
narshu | 1:cc2a9eb0bd55 | 92 | |
narshu | 1:cc2a9eb0bd55 | 93 | } // namespace tvmet |
narshu | 1:cc2a9eb0bd55 | 94 | |
narshu | 1:cc2a9eb0bd55 | 95 | #endif /* TVMET_META_GEMTV_H */ |
narshu | 1:cc2a9eb0bd55 | 96 | |
narshu | 1:cc2a9eb0bd55 | 97 | // Local Variables: |
narshu | 1:cc2a9eb0bd55 | 98 | // mode:C++ |
narshu | 1:cc2a9eb0bd55 | 99 | // tab-width:8 |
narshu | 1:cc2a9eb0bd55 | 100 | // End: |