Shuto Naruse / Mbed 2 deprecated Eurobot2012_Primary

Eurobot2012_Primary

Dependencies:   mbed Eurobot_2012_Primary

tvmet/meta/Gemtv.h@26:0995f61cb7b8, 2012-10-17 (annotated)

Committer:
narshu
Date:
Wed Oct 17 22:22:47 2012 +0000
Revision:
26:0995f61cb7b8
Parent:
25:143b19c1fb05 
Eurobot 2012 Primary;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
narshu 25:143b19c1fb05 1 /*
narshu 25:143b19c1fb05 2 * Tiny Vector Matrix Library
narshu 25:143b19c1fb05 3 * Dense Vector Matrix Libary of Tiny size using Expression Templates
narshu 25:143b19c1fb05 4 *
narshu 25:143b19c1fb05 5 * Copyright (C) 2001 - 2007 Olaf Petzold <opetzold@users.sourceforge.net>
narshu 25:143b19c1fb05 6 *
narshu 25:143b19c1fb05 7 * This library is free software; you can redistribute it and/or
narshu 25:143b19c1fb05 8 * modify it under the terms of the GNU Lesser General Public
narshu 25:143b19c1fb05 9 * License as published by the Free Software Foundation; either
narshu 25:143b19c1fb05 10 * version 2.1 of the License, or (at your option) any later version.
narshu 25:143b19c1fb05 11 *
narshu 25:143b19c1fb05 12 * This library is distributed in the hope that it will be useful,
narshu 25:143b19c1fb05 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
narshu 25:143b19c1fb05 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
narshu 25:143b19c1fb05 15 * Lesser General Public License for more details.
narshu 25:143b19c1fb05 16 *
narshu 25:143b19c1fb05 17 * You should have received a copy of the GNU Lesser General Public
narshu 25:143b19c1fb05 18 * License along with this library; if not, write to the Free Software
narshu 25:143b19c1fb05 19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
narshu 25:143b19c1fb05 20 *
narshu 25:143b19c1fb05 21 * $Id: Gemtv.h,v 1.8 2007-06-23 15:58:59 opetzold Exp $
narshu 25:143b19c1fb05 22 */
narshu 25:143b19c1fb05 23
narshu 25:143b19c1fb05 24 #ifndef TVMET_META_GEMTV_H
narshu 25:143b19c1fb05 25 #define TVMET_META_GEMTV_H
narshu 25:143b19c1fb05 26
narshu 25:143b19c1fb05 27 #include <tvmet/xpr/Null.h>
narshu 25:143b19c1fb05 28
narshu 25:143b19c1fb05 29 namespace tvmet {
narshu 25:143b19c1fb05 30
narshu 25:143b19c1fb05 31 namespace meta {
narshu 25:143b19c1fb05 32
narshu 25:143b19c1fb05 33
narshu 25:143b19c1fb05 34 /**
narshu 25:143b19c1fb05 35 * \class gemtv Gemtv.h "tvmet/meta/Gemtv.h"
narshu 25:143b19c1fb05 36 * \brief Meta class for matrix-transpose-vector operations.
narshu 25:143b19c1fb05 37 * using formula
narshu 25:143b19c1fb05 38 * \f[
narshu 25:143b19c1fb05 39 * M^T\,v
narshu 25:143b19c1fb05 40 * \f]
narshu 25:143b19c1fb05 41 */
narshu 25:143b19c1fb05 42 template<std::size_t Rows, std::size_t Cols,
narshu 25:143b19c1fb05 43 std::size_t I>
narshu 25:143b19c1fb05 44 class gemtv
narshu 25:143b19c1fb05 45 {
narshu 25:143b19c1fb05 46 gemtv();
narshu 25:143b19c1fb05 47 gemtv(const gemtv&);
narshu 25:143b19c1fb05 48 gemtv& operator=(const gemtv&);
narshu 25:143b19c1fb05 49
narshu 25:143b19c1fb05 50 private:
narshu 25:143b19c1fb05 51 enum {
narshu 25:143b19c1fb05 52 doIt = I < (Rows-1) /**< recursive counter */
narshu 25:143b19c1fb05 53 };
narshu 25:143b19c1fb05 54
narshu 25:143b19c1fb05 55 public:
narshu 25:143b19c1fb05 56 /** Meta template for %Matrix lhs %Vector rhs product. */
narshu 25:143b19c1fb05 57 template<class E1, class E2>
narshu 25:143b19c1fb05 58 static inline
narshu 25:143b19c1fb05 59 typename PromoteTraits<
narshu 25:143b19c1fb05 60 typename E1::value_type,
narshu 25:143b19c1fb05 61 typename E2::value_type
narshu 25:143b19c1fb05 62 >::value_type
narshu 25:143b19c1fb05 63 prod(const E1& lhs, const E2& rhs, std::size_t j) {
narshu 25:143b19c1fb05 64 return lhs(I, j) * rhs(I)
narshu 25:143b19c1fb05 65 + gemtv<Rows * doIt, Cols * doIt,
narshu 25:143b19c1fb05 66 (I+1)* doIt>::prod(lhs, rhs, j);
narshu 25:143b19c1fb05 67 }
narshu 25:143b19c1fb05 68 };
narshu 25:143b19c1fb05 69
narshu 25:143b19c1fb05 70
narshu 25:143b19c1fb05 71 /**
narshu 25:143b19c1fb05 72 * \class gemtv<0,0,0> Gemtv.h "tvmet/meta/Gemtv.h"
narshu 25:143b19c1fb05 73 * \brief gemtv Specialized for recursion
narshu 25:143b19c1fb05 74 */
narshu 25:143b19c1fb05 75 template<>
narshu 25:143b19c1fb05 76 class gemtv<0,0,0>
narshu 25:143b19c1fb05 77 {
narshu 25:143b19c1fb05 78 gemtv();
narshu 25:143b19c1fb05 79 gemtv(const gemtv&);
narshu 25:143b19c1fb05 80 gemtv& operator=(const gemtv&);
narshu 25:143b19c1fb05 81
narshu 25:143b19c1fb05 82 public:
narshu 25:143b19c1fb05 83 template<class E1, class E2>
narshu 25:143b19c1fb05 84 static inline
narshu 25:143b19c1fb05 85 XprNull prod(const E1&, const E2&, std::size_t) {
narshu 25:143b19c1fb05 86 return XprNull();
narshu 25:143b19c1fb05 87 }
narshu 25:143b19c1fb05 88 };
narshu 25:143b19c1fb05 89
narshu 25:143b19c1fb05 90
narshu 25:143b19c1fb05 91 } // namespace meta
narshu 25:143b19c1fb05 92
narshu 25:143b19c1fb05 93 } // namespace tvmet
narshu 25:143b19c1fb05 94
narshu 25:143b19c1fb05 95 #endif /* TVMET_META_GEMTV_H */
narshu 25:143b19c1fb05 96
narshu 25:143b19c1fb05 97 // Local Variables:
narshu 25:143b19c1fb05 98 // mode:C++
narshu 25:143b19c1fb05 99 // tab-width:8
narshu 25:143b19c1fb05 100 // End: