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 | * Copyright (C) 1997-2001 Todd Veldhuizen <tveldhui@oonumerics.org> |
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6 | * |
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7 | * This program is free software; you can redistribute it and/or |
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8 | * modify it under the terms of the GNU General Public License |
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9 | * as published by the Free Software Foundation; either version 2 |
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10 | * of the License, or (at your option) any later version. |
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11 | * |
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12 | * This program is distributed in the hope that it will be useful, |
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13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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15 | * GNU General Public License for more details. |
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16 | * |
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17 | * Suggestions: blitz-dev@oonumerics.org |
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18 | * Bugs: blitz-bugs@oonumerics.org |
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19 | * |
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20 | * For more information, please see the Blitz++ Home Page: |
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21 | * http://oonumerics.org/blitz/ |
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22 | * |
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23 | ****************************************************************************/ |
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24 | #ifndef BZ_ARRAYSLICE_H |
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25 | #define BZ_ARRAYSLICE_H |
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26 | |
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27 | #ifndef BZ_ARRAY_H |
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28 | #error <blitz/array/slice.h> must be included via <blitz/array.h> |
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29 | #endif |
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30 | |
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31 | BZ_NAMESPACE(blitz) |
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32 | |
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33 | // Forward declaration |
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34 | template<typename T, int N> |
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35 | class Array; |
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36 | |
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37 | |
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38 | |
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39 | class nilArraySection { }; |
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40 | |
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41 | template<typename T> |
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42 | class ArraySectionInfo { |
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43 | public: |
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44 | static const int isValidType = 0, rank = 0, isPick = 0; |
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45 | }; |
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46 | |
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47 | template<> |
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48 | class ArraySectionInfo<Range> { |
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49 | public: |
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50 | static const int isValidType = 1, rank = 1, isPick = 0; |
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51 | }; |
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52 | |
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53 | template<> |
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54 | class ArraySectionInfo<int> { |
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55 | public: |
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56 | static const int isValidType = 1, rank = 0, isPick = 0; |
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57 | }; |
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58 | |
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59 | template<> |
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60 | class ArraySectionInfo<nilArraySection> { |
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61 | public: |
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62 | static const int isValidType = 1, rank = 0, isPick = 0; |
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63 | }; |
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64 | |
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65 | template<typename T_numtype, typename T1, typename T2 = nilArraySection, |
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66 | class T3 = nilArraySection, typename T4 = nilArraySection, |
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67 | class T5 = nilArraySection, typename T6 = nilArraySection, |
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68 | class T7 = nilArraySection, typename T8 = nilArraySection, |
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69 | class T9 = nilArraySection, typename T10 = nilArraySection, |
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70 | class T11 = nilArraySection> |
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71 | class SliceInfo { |
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72 | public: |
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73 | static const int |
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74 | numValidTypes = ArraySectionInfo<T1>::isValidType |
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75 | + ArraySectionInfo<T2>::isValidType |
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76 | + ArraySectionInfo<T3>::isValidType |
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77 | + ArraySectionInfo<T4>::isValidType |
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78 | + ArraySectionInfo<T5>::isValidType |
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79 | + ArraySectionInfo<T6>::isValidType |
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80 | + ArraySectionInfo<T7>::isValidType |
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81 | + ArraySectionInfo<T8>::isValidType |
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82 | + ArraySectionInfo<T9>::isValidType |
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83 | + ArraySectionInfo<T10>::isValidType |
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84 | + ArraySectionInfo<T11>::isValidType, |
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85 | |
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86 | rank = ArraySectionInfo<T1>::rank |
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87 | + ArraySectionInfo<T2>::rank |
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88 | + ArraySectionInfo<T3>::rank |
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89 | + ArraySectionInfo<T4>::rank |
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90 | + ArraySectionInfo<T5>::rank |
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91 | + ArraySectionInfo<T6>::rank |
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92 | + ArraySectionInfo<T7>::rank |
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93 | + ArraySectionInfo<T8>::rank |
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94 | + ArraySectionInfo<T9>::rank |
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95 | + ArraySectionInfo<T10>::rank |
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96 | + ArraySectionInfo<T11>::rank, |
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97 | |
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98 | isPick = ArraySectionInfo<T1>::isPick |
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99 | + ArraySectionInfo<T2>::isPick |
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100 | + ArraySectionInfo<T3>::isPick |
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101 | + ArraySectionInfo<T4>::isPick |
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102 | + ArraySectionInfo<T5>::isPick |
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103 | + ArraySectionInfo<T6>::isPick |
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104 | + ArraySectionInfo<T7>::isPick |
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105 | + ArraySectionInfo<T8>::isPick |
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106 | + ArraySectionInfo<T9>::isPick |
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107 | + ArraySectionInfo<T10>::isPick |
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108 | + ArraySectionInfo<T11>::isPick; |
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109 | |
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110 | typedef Array<T_numtype,numValidTypes> T_array; |
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111 | typedef Array<T_numtype,rank> T_slice; |
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112 | }; |
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113 | |
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114 | BZ_NAMESPACE_END |
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115 | |
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116 | #endif // BZ_ARRAYSLICE_H |
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