| 1 | // The template and inlines for the -*- C++ -*- slice_array class.
|
|---|
| 2 |
|
|---|
| 3 | // Copyright (C) 1997, 1998, 1999, 2000, 2001 Free Software Foundation, Inc.
|
|---|
| 4 | //
|
|---|
| 5 | // This file is part of the GNU ISO C++ Library. This library is free
|
|---|
| 6 | // software; you can redistribute it and/or modify it under the
|
|---|
| 7 | // terms of the GNU General Public License as published by the
|
|---|
| 8 | // Free Software Foundation; either version 2, or (at your option)
|
|---|
| 9 | // any later version.
|
|---|
| 10 |
|
|---|
| 11 | // This library is distributed in the hope that it will be useful,
|
|---|
| 12 | // but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|---|
| 13 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|---|
| 14 | // GNU General Public License for more details.
|
|---|
| 15 |
|
|---|
| 16 | // You should have received a copy of the GNU General Public License along
|
|---|
| 17 | // with this library; see the file COPYING. If not, write to the Free
|
|---|
| 18 | // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
|
|---|
| 19 | // USA.
|
|---|
| 20 |
|
|---|
| 21 | // As a special exception, you may use this file as part of a free software
|
|---|
| 22 | // library without restriction. Specifically, if other files instantiate
|
|---|
| 23 | // templates or use macros or inline functions from this file, or you compile
|
|---|
| 24 | // this file and link it with other files to produce an executable, this
|
|---|
| 25 | // file does not by itself cause the resulting executable to be covered by
|
|---|
| 26 | // the GNU General Public License. This exception does not however
|
|---|
| 27 | // invalidate any other reasons why the executable file might be covered by
|
|---|
| 28 | // the GNU General Public License.
|
|---|
| 29 |
|
|---|
| 30 | // Written by Gabriel Dos Reis <[email protected]>
|
|---|
| 31 |
|
|---|
| 32 | /** @file slice_array.h
|
|---|
| 33 | * This is an internal header file, included by other library headers.
|
|---|
| 34 | * You should not attempt to use it directly.
|
|---|
| 35 | */
|
|---|
| 36 |
|
|---|
| 37 | #ifndef _CPP_BITS_SLICE_ARRAY_H
|
|---|
| 38 | #define _CPP_BITS_SLICE_ARRAY_H 1
|
|---|
| 39 |
|
|---|
| 40 | #pragma GCC system_header
|
|---|
| 41 |
|
|---|
| 42 | namespace std
|
|---|
| 43 | {
|
|---|
| 44 |
|
|---|
| 45 | template<typename _Tp>
|
|---|
| 46 | class slice_array
|
|---|
| 47 | {
|
|---|
| 48 | public:
|
|---|
| 49 | typedef _Tp value_type;
|
|---|
| 50 |
|
|---|
| 51 | // This constructor is implemented since we need to return a value.
|
|---|
| 52 | slice_array (const slice_array&);
|
|---|
| 53 |
|
|---|
| 54 | // This operator must be public. See DR-253.
|
|---|
| 55 | slice_array& operator= (const slice_array&);
|
|---|
| 56 |
|
|---|
| 57 | void operator= (const valarray<_Tp>&) const;
|
|---|
| 58 | void operator*= (const valarray<_Tp>&) const;
|
|---|
| 59 | void operator/= (const valarray<_Tp>&) const;
|
|---|
| 60 | void operator%= (const valarray<_Tp>&) const;
|
|---|
| 61 | void operator+= (const valarray<_Tp>&) const;
|
|---|
| 62 | void operator-= (const valarray<_Tp>&) const;
|
|---|
| 63 | void operator^= (const valarray<_Tp>&) const;
|
|---|
| 64 | void operator&= (const valarray<_Tp>&) const;
|
|---|
| 65 | void operator|= (const valarray<_Tp>&) const;
|
|---|
| 66 | void operator<<= (const valarray<_Tp>&) const;
|
|---|
| 67 | void operator>>= (const valarray<_Tp>&) const;
|
|---|
| 68 | void operator= (const _Tp &);
|
|---|
| 69 | // ~slice_array ();
|
|---|
| 70 |
|
|---|
| 71 | template<class _Dom>
|
|---|
| 72 | void operator= (const _Expr<_Dom,_Tp>&) const;
|
|---|
| 73 | template<class _Dom>
|
|---|
| 74 | void operator*= (const _Expr<_Dom,_Tp>&) const;
|
|---|
| 75 | template<class _Dom>
|
|---|
| 76 | void operator/= (const _Expr<_Dom,_Tp>&) const;
|
|---|
| 77 | template<class _Dom>
|
|---|
| 78 | void operator%= (const _Expr<_Dom,_Tp>&) const;
|
|---|
| 79 | template<class _Dom>
|
|---|
| 80 | void operator+= (const _Expr<_Dom,_Tp>&) const;
|
|---|
| 81 | template<class _Dom>
|
|---|
| 82 | void operator-= (const _Expr<_Dom,_Tp>&) const;
|
|---|
| 83 | template<class _Dom>
|
|---|
| 84 | void operator^= (const _Expr<_Dom,_Tp>&) const;
|
|---|
| 85 | template<class _Dom>
|
|---|
| 86 | void operator&= (const _Expr<_Dom,_Tp>&) const;
|
|---|
| 87 | template<class _Dom>
|
|---|
| 88 | void operator|= (const _Expr<_Dom,_Tp>&) const;
|
|---|
| 89 | template<class _Dom>
|
|---|
| 90 | void operator<<= (const _Expr<_Dom,_Tp>&) const;
|
|---|
| 91 | template<class _Dom>
|
|---|
| 92 | void operator>>= (const _Expr<_Dom,_Tp>&) const;
|
|---|
| 93 |
|
|---|
| 94 | private:
|
|---|
| 95 | friend class valarray<_Tp>;
|
|---|
| 96 | slice_array(_Array<_Tp>, const slice&);
|
|---|
| 97 |
|
|---|
| 98 | const size_t _M_sz;
|
|---|
| 99 | const size_t _M_stride;
|
|---|
| 100 | const _Array<_Tp> _M_array;
|
|---|
| 101 |
|
|---|
| 102 | // not implemented
|
|---|
| 103 | slice_array ();
|
|---|
| 104 | };
|
|---|
| 105 |
|
|---|
| 106 | template<typename _Tp>
|
|---|
| 107 | inline slice_array<_Tp>::slice_array (_Array<_Tp> __a, const slice& __s)
|
|---|
| 108 | : _M_sz (__s.size ()), _M_stride (__s.stride ()),
|
|---|
| 109 | _M_array (__a.begin () + __s.start ()) {}
|
|---|
| 110 |
|
|---|
| 111 |
|
|---|
| 112 | template<typename _Tp>
|
|---|
| 113 | inline slice_array<_Tp>::slice_array(const slice_array<_Tp>& a)
|
|---|
| 114 | : _M_sz(a._M_sz), _M_stride(a._M_stride), _M_array(a._M_array) {}
|
|---|
| 115 |
|
|---|
| 116 | // template<typename _Tp>
|
|---|
| 117 | // inline slice_array<_Tp>::~slice_array () {}
|
|---|
| 118 |
|
|---|
| 119 | template<typename _Tp>
|
|---|
| 120 | inline slice_array<_Tp>&
|
|---|
| 121 | slice_array<_Tp>::operator=(const slice_array<_Tp>& __a)
|
|---|
| 122 | {
|
|---|
| 123 | __valarray_copy(__a._M_array, __a._M_sz, __a._M_stride,
|
|---|
| 124 | _M_array, _M_stride);
|
|---|
| 125 | return *this;
|
|---|
| 126 | }
|
|---|
| 127 |
|
|---|
| 128 |
|
|---|
| 129 | template<typename _Tp>
|
|---|
| 130 | inline void
|
|---|
| 131 | slice_array<_Tp>::operator= (const _Tp& __t)
|
|---|
| 132 | { __valarray_fill (_M_array, _M_sz, _M_stride, __t); }
|
|---|
| 133 |
|
|---|
| 134 | template<typename _Tp>
|
|---|
| 135 | inline void
|
|---|
| 136 | slice_array<_Tp>::operator= (const valarray<_Tp>& __v) const
|
|---|
| 137 | { __valarray_copy (_Array<_Tp> (__v), _M_array, _M_sz, _M_stride); }
|
|---|
| 138 |
|
|---|
| 139 | template<typename _Tp>
|
|---|
| 140 | template<class _Dom>
|
|---|
| 141 | inline void
|
|---|
| 142 | slice_array<_Tp>::operator= (const _Expr<_Dom,_Tp>& __e) const
|
|---|
| 143 | { __valarray_copy (__e, _M_sz, _M_array, _M_stride); }
|
|---|
| 144 |
|
|---|
| 145 | #undef _DEFINE_VALARRAY_OPERATOR
|
|---|
| 146 | #define _DEFINE_VALARRAY_OPERATOR(op, name) \
|
|---|
| 147 | template<typename _Tp> \
|
|---|
| 148 | inline void \
|
|---|
| 149 | slice_array<_Tp>::operator op##= (const valarray<_Tp>& __v) const \
|
|---|
| 150 | { \
|
|---|
| 151 | _Array_augmented_##name (_M_array, _M_sz, _M_stride, _Array<_Tp> (__v));\
|
|---|
| 152 | } \
|
|---|
| 153 | \
|
|---|
| 154 | template<typename _Tp> template<class _Dom> \
|
|---|
| 155 | inline void \
|
|---|
| 156 | slice_array<_Tp>::operator op##= (const _Expr<_Dom,_Tp>& __e) const \
|
|---|
| 157 | { \
|
|---|
| 158 | _Array_augmented_##name (_M_array, _M_stride, __e, _M_sz); \
|
|---|
| 159 | }
|
|---|
| 160 |
|
|---|
| 161 |
|
|---|
| 162 | _DEFINE_VALARRAY_OPERATOR(*, multiplies)
|
|---|
| 163 | _DEFINE_VALARRAY_OPERATOR(/, divides)
|
|---|
| 164 | _DEFINE_VALARRAY_OPERATOR(%, modulus)
|
|---|
| 165 | _DEFINE_VALARRAY_OPERATOR(+, plus)
|
|---|
| 166 | _DEFINE_VALARRAY_OPERATOR(-, minus)
|
|---|
| 167 | _DEFINE_VALARRAY_OPERATOR(^, xor)
|
|---|
| 168 | _DEFINE_VALARRAY_OPERATOR(&, and)
|
|---|
| 169 | _DEFINE_VALARRAY_OPERATOR(|, or)
|
|---|
| 170 | _DEFINE_VALARRAY_OPERATOR(<<, shift_left)
|
|---|
| 171 | _DEFINE_VALARRAY_OPERATOR(>>, shift_right)
|
|---|
| 172 |
|
|---|
| 173 | #undef _DEFINE_VALARRAY_OPERATOR
|
|---|
| 174 |
|
|---|
| 175 | } // std::
|
|---|
| 176 |
|
|---|
| 177 | #endif /* _CPP_BITS_SLICE_ARRAY_H */
|
|---|
| 178 |
|
|---|
| 179 | // Local Variables:
|
|---|
| 180 | // mode:c++
|
|---|
| 181 | // End:
|
|---|
