| 1 | // -*- C++ -*- |
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| 2 | /*************************************************************************** |
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| 3 | * blitz/array/slice.h Helper classes for slicing arrays |
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| 4 | * |
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| 5 | * $Id$ |
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| 6 | * |
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| 7 | * Copyright (C) 1997-2011 Todd Veldhuizen <tveldhui@acm.org> |
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| 8 | * |
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| 9 | * This file is a part of Blitz. |
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| 10 | * |
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| 11 | * Blitz is free software: you can redistribute it and/or modify |
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| 12 | * it under the terms of the GNU Lesser General Public License |
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| 13 | * as published by the Free Software Foundation, either version 3 |
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| 14 | * of the License, or (at your option) any later version. |
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| 15 | * |
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| 16 | * Blitz is distributed in the hope that it will be useful, |
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| 17 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 19 | * GNU Lesser General Public License for more details. |
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| 20 | * |
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| 21 | * You should have received a copy of the GNU Lesser General Public |
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| 22 | * License along with Blitz. If not, see <http://www.gnu.org/licenses/>. |
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| 23 | * |
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| 24 | * Suggestions: blitz-devel@lists.sourceforge.net |
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| 25 | * Bugs: blitz-support@lists.sourceforge.net |
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| 26 | * |
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| 27 | * For more information, please see the Blitz++ Home Page: |
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| 28 | * https://sourceforge.net/projects/blitz/ |
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| 29 | * |
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| 30 | ****************************************************************************/ |
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| 31 | #ifndef BZ_ARRAYSLICE_H |
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| 32 | #define BZ_ARRAYSLICE_H |
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| 33 | |
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| 34 | // #ifndef BZ_ARRAY_H |
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| 35 | // #error <blitz/array/slice.h> must be included via <blitz/array.h> |
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| 36 | // #endif |
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| 37 | |
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| 38 | #include <blitz/range.h> |
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| 39 | |
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| 40 | BZ_NAMESPACE(blitz) |
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| 41 | |
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| 42 | // Forward declarations |
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| 43 | template<typename T, int N> |
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| 44 | class Array; |
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| 45 | |
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| 46 | class nilArraySection { }; |
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| 47 | |
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| 48 | template<typename T> |
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| 49 | class ArraySectionInfo { |
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| 50 | public: |
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| 51 | static const int isValidType = 0, rank = 0, isPick = 0; |
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| 52 | }; |
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| 53 | |
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| 54 | template<> |
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| 55 | class ArraySectionInfo<Range> { |
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| 56 | public: |
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| 57 | static const int isValidType = 1, rank = 1, isPick = 0; |
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| 58 | }; |
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| 59 | |
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| 60 | template<> |
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| 61 | class ArraySectionInfo<int> { |
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| 62 | public: |
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| 63 | static const int isValidType = 1, rank = 0, isPick = 0; |
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| 64 | }; |
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| 65 | |
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| 66 | template<> |
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| 67 | class ArraySectionInfo<nilArraySection> { |
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| 68 | public: |
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| 69 | static const int isValidType = 1, rank = 0, isPick = 0; |
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| 70 | }; |
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| 71 | |
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| 72 | template<typename T_numtype, typename T1, typename T2 = nilArraySection, |
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| 73 | class T3 = nilArraySection, typename T4 = nilArraySection, |
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| 74 | class T5 = nilArraySection, typename T6 = nilArraySection, |
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| 75 | class T7 = nilArraySection, typename T8 = nilArraySection, |
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| 76 | class T9 = nilArraySection, typename T10 = nilArraySection, |
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| 77 | class T11 = nilArraySection> |
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| 78 | class SliceInfo { |
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| 79 | public: |
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| 80 | static const int |
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| 81 | numValidTypes = ArraySectionInfo<T1>::isValidType |
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| 82 | + ArraySectionInfo<T2>::isValidType |
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| 83 | + ArraySectionInfo<T3>::isValidType |
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| 84 | + ArraySectionInfo<T4>::isValidType |
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| 85 | + ArraySectionInfo<T5>::isValidType |
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| 86 | + ArraySectionInfo<T6>::isValidType |
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| 87 | + ArraySectionInfo<T7>::isValidType |
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| 88 | + ArraySectionInfo<T8>::isValidType |
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| 89 | + ArraySectionInfo<T9>::isValidType |
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| 90 | + ArraySectionInfo<T10>::isValidType |
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| 91 | + ArraySectionInfo<T11>::isValidType, |
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| 92 | |
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| 93 | rank = ArraySectionInfo<T1>::rank |
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| 94 | + ArraySectionInfo<T2>::rank |
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| 95 | + ArraySectionInfo<T3>::rank |
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| 96 | + ArraySectionInfo<T4>::rank |
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| 97 | + ArraySectionInfo<T5>::rank |
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| 98 | + ArraySectionInfo<T6>::rank |
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| 99 | + ArraySectionInfo<T7>::rank |
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| 100 | + ArraySectionInfo<T8>::rank |
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| 101 | + ArraySectionInfo<T9>::rank |
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| 102 | + ArraySectionInfo<T10>::rank |
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| 103 | + ArraySectionInfo<T11>::rank, |
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| 104 | |
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| 105 | isPick = ArraySectionInfo<T1>::isPick |
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| 106 | + ArraySectionInfo<T2>::isPick |
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| 107 | + ArraySectionInfo<T3>::isPick |
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| 108 | + ArraySectionInfo<T4>::isPick |
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| 109 | + ArraySectionInfo<T5>::isPick |
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| 110 | + ArraySectionInfo<T6>::isPick |
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| 111 | + ArraySectionInfo<T7>::isPick |
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| 112 | + ArraySectionInfo<T8>::isPick |
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| 113 | + ArraySectionInfo<T9>::isPick |
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| 114 | + ArraySectionInfo<T10>::isPick |
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| 115 | + ArraySectionInfo<T11>::isPick; |
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| 116 | |
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| 117 | typedef Array<T_numtype,numValidTypes> T_array; |
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| 118 | typedef Array<T_numtype,rank> T_slice; |
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| 119 | }; |
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| 120 | |
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| 121 | |
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| 122 | BZ_NAMESPACE_END |
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| 123 | |
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| 124 | #endif // BZ_ARRAYSLICE_H |
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