valarray

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00001 // The template and inlines for the -*- C++ -*- valarray class.
00002 
00003 // Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002
00004 // Free Software Foundation, Inc.
00005 //
00006 // This file is part of the GNU ISO C++ Library.  This library is free
00007 // software; you can redistribute it and/or modify it under the
00008 // terms of the GNU General Public License as published by the
00009 // Free Software Foundation; either version 2, or (at your option)
00010 // any later version.
00011 
00012 // This library is distributed in the hope that it will be useful,
00013 // but WITHOUT ANY WARRANTY; without even the implied warranty of
00014 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00015 // GNU General Public License for more details.
00016 
00017 // You should have received a copy of the GNU General Public License along
00018 // with this library; see the file COPYING.  If not, write to the Free
00019 // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
00020 // USA.
00021 
00022 // As a special exception, you may use this file as part of a free software
00023 // library without restriction.  Specifically, if other files instantiate
00024 // templates or use macros or inline functions from this file, or you compile
00025 // this file and link it with other files to produce an executable, this
00026 // file does not by itself cause the resulting executable to be covered by
00027 // the GNU General Public License.  This exception does not however
00028 // invalidate any other reasons why the executable file might be covered by
00029 // the GNU General Public License.
00030 
00031 // Written by Gabriel Dos Reis <Gabriel.Dos-Reis@DPTMaths.ENS-Cachan.Fr>
00032 
00033 /** @file valarray
00034  *  This is a Standard C++ Library header.  You should @c #include this header
00035  *  in your programs, rather than any of the "st[dl]_*.h" implementation files.
00036  */
00037 
00038 #ifndef _CPP_VALARRAY
00039 #define _CPP_VALARRAY 1
00040 
00041 #pragma GCC system_header
00042 
00043 #include <bits/c++config.h>
00044 #include <cstddef>
00045 #include <cmath>
00046 #include <cstdlib>
00047 #include <numeric>
00048 #include <algorithm>
00049 
00050 namespace std
00051 {
00052   template<class _Clos, typename _Tp> 
00053     class _Expr;
00054 
00055   template<typename _Tp1, typename _Tp2> 
00056     class _ValArray;    
00057 
00058   template<class _Oper, template<class, class> class _Meta, class _Dom>
00059     struct _UnClos;
00060 
00061   template<class _Oper,
00062         template<class, class> class _Meta1,
00063         template<class, class> class _Meta2,
00064         class _Dom1, class _Dom2> 
00065     class _BinClos;
00066 
00067   template<template<class, class> class _Meta, class _Dom> 
00068     class _SClos;
00069 
00070   template<template<class, class> class _Meta, class _Dom> 
00071     class _GClos;
00072     
00073   template<template<class, class> class _Meta, class _Dom> 
00074     class _IClos;
00075     
00076   template<template<class, class> class _Meta, class _Dom> 
00077     class _ValFunClos;
00078   
00079   template<template<class, class> class _Meta, class _Dom> 
00080     class _RefFunClos;
00081 
00082   template<class _Tp> class valarray;   // An array of type _Tp
00083   class slice;                          // BLAS-like slice out of an array
00084   template<class _Tp> class slice_array;
00085   class gslice;                         // generalized slice out of an array
00086   template<class _Tp> class gslice_array;
00087   template<class _Tp> class mask_array;     // masked array
00088   template<class _Tp> class indirect_array; // indirected array
00089 
00090 } // namespace std
00091 
00092 #include <bits/valarray_array.h>
00093 #include <bits/valarray_meta.h>
00094   
00095 namespace std
00096 {
00097   template<class _Tp> 
00098     class valarray
00099     {
00100       template<class _Op>
00101     struct _UnaryOp 
00102     {
00103       typedef typename __fun<_Op, _Tp>::result_type __rt;
00104       typedef _Expr<_UnClos<_Op, _ValArray, _Tp>, __rt> _Rt;
00105     };
00106     public:
00107       typedef _Tp value_type;
00108       
00109     // _lib.valarray.cons_ construct/destroy:
00110       valarray();
00111       explicit valarray(size_t);
00112       valarray(const _Tp&, size_t);
00113       valarray(const _Tp* __restrict__, size_t);
00114       valarray(const valarray&);
00115       valarray(const slice_array<_Tp>&);
00116       valarray(const gslice_array<_Tp>&);
00117       valarray(const mask_array<_Tp>&);
00118       valarray(const indirect_array<_Tp>&);
00119       template<class _Dom>
00120     valarray(const _Expr<_Dom,_Tp>& __e);
00121       ~valarray();
00122 
00123       // _lib.valarray.assign_ assignment:
00124       valarray<_Tp>& operator=(const valarray<_Tp>&);
00125       valarray<_Tp>& operator=(const _Tp&);
00126       valarray<_Tp>& operator=(const slice_array<_Tp>&);
00127       valarray<_Tp>& operator=(const gslice_array<_Tp>&);
00128       valarray<_Tp>& operator=(const mask_array<_Tp>&);
00129       valarray<_Tp>& operator=(const indirect_array<_Tp>&);
00130 
00131       template<class _Dom> valarray<_Tp>&
00132     operator= (const _Expr<_Dom,_Tp>&);
00133 
00134       // _lib.valarray.access_ element access:
00135       // XXX: LWG to be resolved.
00136       const _Tp&                 operator[](size_t) const;
00137       _Tp&                operator[](size_t);       
00138       // _lib.valarray.sub_ subset operations:
00139       _Expr<_SClos<_ValArray,_Tp>, _Tp> operator[](slice) const;
00140       slice_array<_Tp>    operator[](slice);
00141       _Expr<_GClos<_ValArray,_Tp>, _Tp> operator[](const gslice&) const;
00142       gslice_array<_Tp>   operator[](const gslice&);
00143       valarray<_Tp>          operator[](const valarray<bool>&) const;
00144       mask_array<_Tp>     operator[](const valarray<bool>&);
00145       _Expr<_IClos<_ValArray, _Tp>, _Tp>
00146         operator[](const valarray<size_t>&) const;
00147       indirect_array<_Tp> operator[](const valarray<size_t>&);
00148 
00149       // _lib.valarray.unary_ unary operators:
00150       typename _UnaryOp<__unary_plus>::_Rt  operator+() const;
00151       typename _UnaryOp<__negate>::_Rt      operator-() const;
00152       typename _UnaryOp<__bitwise_not>::_Rt operator~() const;
00153       typename _UnaryOp<__logical_not>::_Rt operator!() const;
00154 
00155       // _lib.valarray.cassign_ computed assignment:
00156       valarray<_Tp>& operator*=(const _Tp&);
00157       valarray<_Tp>& operator/=(const _Tp&);
00158       valarray<_Tp>& operator%=(const _Tp&);
00159       valarray<_Tp>& operator+=(const _Tp&);
00160       valarray<_Tp>& operator-=(const _Tp&);
00161       valarray<_Tp>& operator^=(const _Tp&);
00162       valarray<_Tp>& operator&=(const _Tp&);
00163       valarray<_Tp>& operator|=(const _Tp&);
00164       valarray<_Tp>& operator<<=(const _Tp&);
00165       valarray<_Tp>& operator>>=(const _Tp&);
00166       valarray<_Tp>& operator*=(const valarray<_Tp>&);
00167       valarray<_Tp>& operator/=(const valarray<_Tp>&);
00168       valarray<_Tp>& operator%=(const valarray<_Tp>&);
00169       valarray<_Tp>& operator+=(const valarray<_Tp>&);
00170       valarray<_Tp>& operator-=(const valarray<_Tp>&);
00171       valarray<_Tp>& operator^=(const valarray<_Tp>&);
00172       valarray<_Tp>& operator|=(const valarray<_Tp>&);
00173       valarray<_Tp>& operator&=(const valarray<_Tp>&);
00174       valarray<_Tp>& operator<<=(const valarray<_Tp>&);
00175       valarray<_Tp>& operator>>=(const valarray<_Tp>&);
00176 
00177       template<class _Dom>
00178     valarray<_Tp>& operator*=(const _Expr<_Dom,_Tp>&);
00179       template<class _Dom>
00180     valarray<_Tp>& operator/=(const _Expr<_Dom,_Tp>&);
00181       template<class _Dom>
00182     valarray<_Tp>& operator%=(const _Expr<_Dom,_Tp>&);
00183       template<class _Dom>
00184     valarray<_Tp>& operator+=(const _Expr<_Dom,_Tp>&);
00185       template<class _Dom>
00186     valarray<_Tp>& operator-=(const _Expr<_Dom,_Tp>&);
00187       template<class _Dom>
00188     valarray<_Tp>& operator^=(const _Expr<_Dom,_Tp>&);
00189       template<class _Dom>
00190     valarray<_Tp>& operator|=(const _Expr<_Dom,_Tp>&);
00191       template<class _Dom>
00192     valarray<_Tp>& operator&=(const _Expr<_Dom,_Tp>&);
00193       template<class _Dom>
00194       valarray<_Tp>& operator<<=(const _Expr<_Dom,_Tp>&);
00195       template<class _Dom>
00196     valarray<_Tp>& operator>>=(const _Expr<_Dom,_Tp>&);
00197 
00198 
00199       // _lib.valarray.members_ member functions:
00200       size_t size() const;
00201       _Tp    sum() const;   
00202       _Tp    min() const;   
00203       _Tp    max() const;   
00204 
00205   //           // FIXME: Extension
00206   //       _Tp    product () const;
00207 
00208       valarray<_Tp> shift (int) const;
00209       valarray<_Tp> cshift(int) const;
00210       _Expr<_ValFunClos<_ValArray,_Tp>,_Tp> apply(_Tp func(_Tp)) const;
00211       _Expr<_RefFunClos<_ValArray,_Tp>,_Tp> apply(_Tp func(const _Tp&)) const;
00212       void resize(size_t __size, _Tp __c = _Tp());
00213 
00214     private:
00215       size_t _M_size;
00216       _Tp* __restrict__ _M_data;
00217       
00218       friend class _Array<_Tp>;
00219     };
00220   
00221   template<typename _Tp>
00222     inline const _Tp&
00223     valarray<_Tp>::operator[](size_t __i) const
00224     { return _M_data[__i]; }
00225 
00226   template<typename _Tp>
00227     inline _Tp&
00228     valarray<_Tp>::operator[](size_t __i)
00229     { return _M_data[__i]; }
00230 
00231 } // std::
00232       
00233 #include <bits/slice_array.h>
00234 #include <bits/gslice.h>
00235 #include <bits/gslice_array.h>
00236 #include <bits/mask_array.h>
00237 #include <bits/indirect_array.h>
00238 
00239 namespace std
00240 {
00241   template<typename _Tp>
00242     inline
00243     valarray<_Tp>::valarray() : _M_size(0), _M_data(0) {}
00244 
00245   template<typename _Tp>
00246     inline 
00247     valarray<_Tp>::valarray(size_t __n) 
00248     : _M_size(__n), _M_data(__valarray_get_storage<_Tp>(__n))
00249     { __valarray_default_construct(_M_data, _M_data + __n); }
00250 
00251   template<typename _Tp>
00252     inline
00253     valarray<_Tp>::valarray(const _Tp& __t, size_t __n)
00254       : _M_size(__n), _M_data(__valarray_get_storage<_Tp>(__n))
00255     { __valarray_fill_construct(_M_data, _M_data + __n, __t); }
00256 
00257   template<typename _Tp>
00258     inline
00259     valarray<_Tp>::valarray(const _Tp* __restrict__ __p, size_t __n)
00260       : _M_size(__n), _M_data(__valarray_get_storage<_Tp>(__n))
00261     { __valarray_copy_construct(__p, __p + __n, _M_data); }
00262 
00263   template<typename _Tp>
00264     inline
00265     valarray<_Tp>::valarray(const valarray<_Tp>& __v)
00266       : _M_size(__v._M_size), _M_data(__valarray_get_storage<_Tp>(__v._M_size))
00267     { __valarray_copy_construct(__v._M_data, __v._M_data + _M_size, _M_data); }
00268 
00269   template<typename _Tp>
00270     inline
00271     valarray<_Tp>::valarray(const slice_array<_Tp>& __sa)
00272       : _M_size(__sa._M_sz), _M_data(__valarray_get_storage<_Tp>(__sa._M_sz))
00273     {
00274       __valarray_copy
00275     (__sa._M_array, __sa._M_sz, __sa._M_stride, _Array<_Tp>(_M_data));
00276     }
00277 
00278   template<typename _Tp>
00279     inline
00280     valarray<_Tp>::valarray(const gslice_array<_Tp>& __ga)
00281       : _M_size(__ga._M_index.size()),
00282     _M_data(__valarray_get_storage<_Tp>(_M_size))
00283     {
00284       __valarray_copy
00285     (__ga._M_array, _Array<size_t>(__ga._M_index),
00286      _Array<_Tp>(_M_data), _M_size);
00287     }
00288 
00289   template<typename _Tp>
00290     inline
00291     valarray<_Tp>::valarray(const mask_array<_Tp>& __ma)
00292       : _M_size(__ma._M_sz), _M_data(__valarray_get_storage<_Tp>(__ma._M_sz))
00293     {
00294       __valarray_copy
00295     (__ma._M_array, __ma._M_mask, _Array<_Tp>(_M_data), _M_size);
00296     }
00297 
00298   template<typename _Tp>
00299     inline
00300     valarray<_Tp>::valarray(const indirect_array<_Tp>& __ia)
00301       : _M_size(__ia._M_sz), _M_data(__valarray_get_storage<_Tp>(__ia._M_sz))
00302     {
00303       __valarray_copy
00304     (__ia._M_array, __ia._M_index, _Array<_Tp>(_M_data), _M_size);
00305     }
00306 
00307   template<typename _Tp> template<class _Dom>
00308     inline
00309     valarray<_Tp>::valarray(const _Expr<_Dom, _Tp>& __e)
00310       : _M_size(__e.size()), _M_data(__valarray_get_storage<_Tp>(_M_size))
00311     { __valarray_copy(__e, _M_size, _Array<_Tp>(_M_data)); }
00312 
00313   template<typename _Tp>
00314     inline
00315     valarray<_Tp>::~valarray()
00316     {
00317       __valarray_destroy_elements(_M_data, _M_data + _M_size);
00318       __valarray_release_memory(_M_data);
00319     }
00320 
00321   template<typename _Tp>
00322     inline valarray<_Tp>&
00323     valarray<_Tp>::operator=(const valarray<_Tp>& __v)
00324     {
00325       __valarray_copy(__v._M_data, _M_size, _M_data);
00326       return *this;
00327     }
00328 
00329   template<typename _Tp>
00330     inline valarray<_Tp>&
00331     valarray<_Tp>::operator=(const _Tp& __t)
00332     {
00333       __valarray_fill(_M_data, _M_size, __t);
00334       return *this;
00335     }
00336 
00337   template<typename _Tp>
00338     inline valarray<_Tp>&
00339     valarray<_Tp>::operator=(const slice_array<_Tp>& __sa)
00340     {
00341       __valarray_copy(__sa._M_array, __sa._M_sz,
00342               __sa._M_stride, _Array<_Tp>(_M_data));
00343       return *this;
00344     }
00345 
00346   template<typename _Tp>
00347     inline valarray<_Tp>&
00348     valarray<_Tp>::operator=(const gslice_array<_Tp>& __ga)
00349     {
00350       __valarray_copy(__ga._M_array, _Array<size_t>(__ga._M_index),
00351               _Array<_Tp>(_M_data), _M_size);
00352       return *this;
00353     }
00354 
00355   template<typename _Tp>
00356     inline valarray<_Tp>&
00357     valarray<_Tp>::operator=(const mask_array<_Tp>& __ma)
00358     {
00359       __valarray_copy(__ma._M_array, __ma._M_mask,
00360               _Array<_Tp>(_M_data), _M_size);
00361       return *this;
00362     }
00363 
00364   template<typename _Tp>
00365     inline valarray<_Tp>&
00366     valarray<_Tp>::operator=(const indirect_array<_Tp>& __ia)
00367     {
00368       __valarray_copy(__ia._M_array, __ia._M_index,
00369                _Array<_Tp>(_M_data), _M_size);
00370       return *this;
00371     }
00372 
00373   template<typename _Tp> template<class _Dom>
00374     inline valarray<_Tp>&
00375     valarray<_Tp>::operator=(const _Expr<_Dom, _Tp>& __e)
00376     {
00377       __valarray_copy(__e, _M_size, _Array<_Tp>(_M_data));
00378     return *this;
00379     }
00380 
00381   template<typename _Tp>
00382     inline _Expr<_SClos<_ValArray,_Tp>, _Tp>
00383     valarray<_Tp>::operator[](slice __s) const
00384     {
00385       typedef _SClos<_ValArray,_Tp> _Closure;
00386       return _Expr<_Closure, _Tp>(_Closure (_Array<_Tp>(_M_data), __s));
00387     }
00388 
00389   template<typename _Tp>
00390     inline slice_array<_Tp>
00391     valarray<_Tp>::operator[](slice __s)
00392     {
00393       return slice_array<_Tp>(_Array<_Tp>(_M_data), __s);
00394     }
00395 
00396   template<typename _Tp>
00397     inline _Expr<_GClos<_ValArray,_Tp>, _Tp>
00398     valarray<_Tp>::operator[](const gslice& __gs) const
00399     {
00400       typedef _GClos<_ValArray,_Tp> _Closure;
00401       return _Expr<_Closure, _Tp>
00402     (_Closure(_Array<_Tp>(_M_data), __gs._M_index->_M_index));
00403     }
00404 
00405   template<typename _Tp>
00406     inline gslice_array<_Tp>
00407     valarray<_Tp>::operator[](const gslice& __gs)
00408     {
00409       return gslice_array<_Tp>
00410     (_Array<_Tp>(_M_data), __gs._M_index->_M_index);
00411     }
00412 
00413   template<typename _Tp>
00414     inline valarray<_Tp>
00415     valarray<_Tp>::operator[](const valarray<bool>& __m) const
00416     {
00417       size_t __s = 0;
00418       size_t __e = __m.size();
00419       for (size_t __i=0; __i<__e; ++__i)
00420     if (__m[__i]) ++__s;
00421       return valarray<_Tp>(mask_array<_Tp>(_Array<_Tp>(_M_data), __s,
00422                        _Array<bool> (__m)));
00423     }
00424 
00425   template<typename _Tp>
00426     inline mask_array<_Tp>
00427     valarray<_Tp>::operator[](const valarray<bool>& __m)
00428     {
00429       size_t __s = 0;
00430       size_t __e = __m.size();
00431       for (size_t __i=0; __i<__e; ++__i)
00432     if (__m[__i]) ++__s;
00433       return mask_array<_Tp>(_Array<_Tp>(_M_data), __s, _Array<bool>(__m));
00434     }
00435 
00436   template<typename _Tp>
00437     inline _Expr<_IClos<_ValArray,_Tp>, _Tp>
00438     valarray<_Tp>::operator[](const valarray<size_t>& __i) const
00439     {
00440       typedef _IClos<_ValArray,_Tp> _Closure;
00441       return _Expr<_Closure, _Tp>(_Closure(*this, __i));
00442     }
00443 
00444   template<typename _Tp>
00445     inline indirect_array<_Tp>
00446     valarray<_Tp>::operator[](const valarray<size_t>& __i)
00447     {
00448       return indirect_array<_Tp>(_Array<_Tp>(_M_data), __i.size(),
00449                  _Array<size_t>(__i));
00450     }
00451 
00452   template<class _Tp>
00453     inline size_t 
00454     valarray<_Tp>::size() const
00455     { return _M_size; }
00456 
00457   template<class _Tp>
00458     inline _Tp
00459     valarray<_Tp>::sum() const
00460     {
00461       return __valarray_sum(_M_data, _M_data + _M_size);
00462     }
00463 
00464 //   template<typename _Tp>
00465 //   inline _Tp
00466 //   valarray<_Tp>::product () const
00467 //   {
00468 //       return __valarray_product(_M_data, _M_data + _M_size);
00469 //   }
00470 
00471   template <class _Tp>
00472      inline valarray<_Tp>
00473      valarray<_Tp>::shift(int __n) const
00474      {
00475        _Tp* const __a = static_cast<_Tp*>
00476          (__builtin_alloca(sizeof(_Tp) * _M_size));
00477        if (__n == 0)                          // no shift
00478          __valarray_copy_construct(_M_data, _M_data + _M_size, __a);
00479        else if (__n > 0)         // __n > 0: shift left
00480          {                 
00481            if (size_t(__n) > _M_size)
00482              __valarray_default_construct(__a, __a + __n);
00483            else
00484              {
00485                __valarray_copy_construct(_M_data+__n, _M_data + _M_size, __a);
00486                __valarray_default_construct(__a+_M_size-__n, __a + _M_size);
00487              }
00488          }
00489        else                        // __n < 0: shift right
00490          {                          
00491            __valarray_copy_construct (_M_data, _M_data+_M_size+__n, __a-__n);
00492            __valarray_default_construct(__a, __a - __n);
00493          }
00494        return valarray<_Tp> (__a, _M_size);
00495      }
00496 
00497   template <class _Tp>
00498      inline valarray<_Tp>
00499      valarray<_Tp>::cshift (int __n) const
00500      {
00501        _Tp* const __a = static_cast<_Tp*>
00502          (__builtin_alloca (sizeof(_Tp) * _M_size));
00503        if (__n == 0)               // no cshift
00504          __valarray_copy_construct(_M_data, _M_data + _M_size, __a);
00505        else if (__n > 0)           // cshift left
00506          {               
00507            __valarray_copy_construct(_M_data, _M_data+__n, __a+_M_size-__n);
00508            __valarray_copy_construct(_M_data+__n, _M_data + _M_size, __a);
00509          }
00510        else                        // cshift right
00511          {                       
00512            __valarray_copy_construct
00513              (_M_data + _M_size+__n, _M_data + _M_size, __a);
00514            __valarray_copy_construct
00515              (_M_data, _M_data + _M_size+__n, __a - __n);
00516          }
00517        return valarray<_Tp>(__a, _M_size);
00518      }
00519 
00520   template <class _Tp>
00521     inline void
00522     valarray<_Tp>::resize (size_t __n, _Tp __c)
00523     {
00524       // This complication is so to make valarray<valarray<T> > work
00525       // even though it is not required by the standard.  Nobody should
00526       // be saying valarray<valarray<T> > anyway.  See the specs.
00527       __valarray_destroy_elements(_M_data, _M_data + _M_size);
00528       if (_M_size != __n)
00529     {
00530       __valarray_release_memory(_M_data);
00531       _M_size = __n;
00532       _M_data = __valarray_get_storage<_Tp>(__n);
00533     }
00534       __valarray_fill_construct(_M_data, _M_data + __n, __c);
00535     }
00536     
00537   template<typename _Tp>
00538     inline _Tp
00539     valarray<_Tp>::min() const
00540     {
00541       return *min_element (_M_data, _M_data+_M_size);
00542     }
00543 
00544   template<typename _Tp>
00545     inline _Tp
00546     valarray<_Tp>::max() const
00547     {
00548       return *max_element (_M_data, _M_data+_M_size);
00549     }
00550   
00551   template<class _Tp>
00552     inline _Expr<_ValFunClos<_ValArray,_Tp>,_Tp>
00553     valarray<_Tp>::apply(_Tp func(_Tp)) const
00554     {
00555       typedef _ValFunClos<_ValArray,_Tp> _Closure;
00556       return _Expr<_Closure,_Tp>(_Closure(*this, func));
00557     }
00558 
00559   template<class _Tp>
00560     inline _Expr<_RefFunClos<_ValArray,_Tp>,_Tp>
00561     valarray<_Tp>::apply(_Tp func(const _Tp &)) const
00562     {
00563       typedef _RefFunClos<_ValArray,_Tp> _Closure;
00564       return _Expr<_Closure,_Tp>(_Closure(*this, func));
00565     }
00566 
00567 #define _DEFINE_VALARRAY_UNARY_OPERATOR(_Op, _Name)                     \
00568   template<typename _Tp>                        \
00569   inline typename valarray<_Tp>::template _UnaryOp<_Name>::_Rt          \
00570   valarray<_Tp>::operator _Op() const                   \
00571   {                                 \
00572     typedef _UnClos<_Name,_ValArray,_Tp> _Closure;                  \
00573     typedef typename __fun<_Name, _Tp>::result_type _Rt;                \
00574     return _Expr<_Closure, _Rt>(_Closure(*this));           \
00575   }
00576 
00577     _DEFINE_VALARRAY_UNARY_OPERATOR(+, __unary_plus)
00578     _DEFINE_VALARRAY_UNARY_OPERATOR(-, __negate)
00579     _DEFINE_VALARRAY_UNARY_OPERATOR(~, __bitwise_not)
00580     _DEFINE_VALARRAY_UNARY_OPERATOR (!, __logical_not)
00581 
00582 #undef _DEFINE_VALARRAY_UNARY_OPERATOR
00583 
00584 #define _DEFINE_VALARRAY_AUGMENTED_ASSIGNMENT(_Op, _Name)               \
00585   template<class _Tp>                           \
00586     inline valarray<_Tp>&                       \
00587     valarray<_Tp>::operator _Op##=(const _Tp &__t)          \
00588     {                                   \
00589       _Array_augmented_##_Name(_Array<_Tp>(_M_data), _M_size, __t); \
00590       return *this;                         \
00591     }                                   \
00592                                     \
00593   template<class _Tp>                           \
00594     inline valarray<_Tp>&                       \
00595     valarray<_Tp>::operator _Op##=(const valarray<_Tp> &__v)        \
00596     {                                   \
00597       _Array_augmented_##_Name(_Array<_Tp>(_M_data), _M_size,       \
00598                    _Array<_Tp>(__v._M_data));       \
00599       return *this;                         \
00600     }
00601 
00602 _DEFINE_VALARRAY_AUGMENTED_ASSIGNMENT(+, __plus)
00603 _DEFINE_VALARRAY_AUGMENTED_ASSIGNMENT(-, __minus)
00604 _DEFINE_VALARRAY_AUGMENTED_ASSIGNMENT(*, __multiplies)
00605 _DEFINE_VALARRAY_AUGMENTED_ASSIGNMENT(/, __divides)
00606 _DEFINE_VALARRAY_AUGMENTED_ASSIGNMENT(%, __modulus)
00607 _DEFINE_VALARRAY_AUGMENTED_ASSIGNMENT(^, __bitwise_xor)
00608 _DEFINE_VALARRAY_AUGMENTED_ASSIGNMENT(&, __bitwise_and)
00609 _DEFINE_VALARRAY_AUGMENTED_ASSIGNMENT(|, __bitwise_or)
00610 _DEFINE_VALARRAY_AUGMENTED_ASSIGNMENT(<<, __shift_left)
00611 _DEFINE_VALARRAY_AUGMENTED_ASSIGNMENT(>>, __shift_right)
00612 
00613 #undef _DEFINE_VALARRAY_AUGMENTED_ASSIGNMENT
00614 
00615 #define _DEFINE_VALARRAY_EXPR_AUGMENTED_ASSIGNMENT(_Op, _Name)          \
00616   template<class _Tp> template<class _Dom>              \
00617     inline valarray<_Tp>&                       \
00618     valarray<_Tp>::operator _Op##=(const _Expr<_Dom,_Tp>& __e)      \
00619     {                                   \
00620       _Array_augmented_##_Name(_Array<_Tp>(_M_data), __e, _M_size); \
00621       return *this;                         \
00622     }
00623 
00624 _DEFINE_VALARRAY_EXPR_AUGMENTED_ASSIGNMENT(+, __plus)
00625 _DEFINE_VALARRAY_EXPR_AUGMENTED_ASSIGNMENT(-, __minus)
00626 _DEFINE_VALARRAY_EXPR_AUGMENTED_ASSIGNMENT(*, __multiplies)
00627 _DEFINE_VALARRAY_EXPR_AUGMENTED_ASSIGNMENT(/, __divides)
00628 _DEFINE_VALARRAY_EXPR_AUGMENTED_ASSIGNMENT(%, __modulus)
00629 _DEFINE_VALARRAY_EXPR_AUGMENTED_ASSIGNMENT(^, __bitwise_xor)
00630 _DEFINE_VALARRAY_EXPR_AUGMENTED_ASSIGNMENT(&, __bitwise_and)
00631 _DEFINE_VALARRAY_EXPR_AUGMENTED_ASSIGNMENT(|, __bitwise_or)
00632 _DEFINE_VALARRAY_EXPR_AUGMENTED_ASSIGNMENT(<<, __shift_left)
00633 _DEFINE_VALARRAY_EXPR_AUGMENTED_ASSIGNMENT(>>, __shift_right)
00634 
00635 #undef _DEFINE_VALARRAY_EXPR_AUGMENTED_ASSIGNMENT
00636     
00637 
00638 #define _DEFINE_BINARY_OPERATOR(_Op, _Name)             \
00639   template<typename _Tp>                        \
00640     inline _Expr<_BinClos<_Name,_ValArray,_ValArray,_Tp,_Tp>,           \
00641                  typename __fun<_Name, _Tp>::result_type>               \
00642     operator _Op(const valarray<_Tp>& __v, const valarray<_Tp>& __w)    \
00643     {                                   \
00644       typedef _BinClos<_Name,_ValArray,_ValArray,_Tp,_Tp> _Closure;     \
00645       typedef typename __fun<_Name, _Tp>::result_type _Rt;              \
00646       return _Expr<_Closure, _Rt>(_Closure(__v, __w));                  \
00647     }                                   \
00648                                     \
00649   template<typename _Tp>                        \
00650   inline _Expr<_BinClos<_Name,_ValArray,_Constant,_Tp,_Tp>,             \
00651                typename __fun<_Name, _Tp>::result_type>                 \
00652   operator _Op(const valarray<_Tp>& __v, const _Tp& __t)        \
00653   {                                 \
00654     typedef _BinClos<_Name,_ValArray,_Constant,_Tp,_Tp> _Closure;   \
00655     typedef typename __fun<_Name, _Tp>::result_type _Rt;                \
00656     return _Expr<_Closure, _Rt>(_Closure(__v, __t));                    \
00657   }                                 \
00658                                     \
00659   template<typename _Tp>                        \
00660   inline _Expr<_BinClos<_Name,_Constant,_ValArray,_Tp,_Tp>,             \
00661                typename __fun<_Name, _Tp>::result_type>                 \
00662   operator _Op(const _Tp& __t, const valarray<_Tp>& __v)        \
00663   {                                 \
00664     typedef _BinClos<_Name,_Constant,_ValArray,_Tp,_Tp> _Closure;       \
00665     typedef typename __fun<_Name, _Tp>::result_type _Rt;                \
00666     return _Expr<_Closure, _Tp>(_Closure(__t, __v));                    \
00667   }
00668 
00669 _DEFINE_BINARY_OPERATOR(+, __plus)
00670 _DEFINE_BINARY_OPERATOR(-, __minus)
00671 _DEFINE_BINARY_OPERATOR(*, __multiplies)
00672 _DEFINE_BINARY_OPERATOR(/, __divides)
00673 _DEFINE_BINARY_OPERATOR(%, __modulus)
00674 _DEFINE_BINARY_OPERATOR(^, __bitwise_xor)
00675 _DEFINE_BINARY_OPERATOR(&, __bitwise_and)
00676 _DEFINE_BINARY_OPERATOR(|, __bitwise_or)
00677 _DEFINE_BINARY_OPERATOR(<<, __shift_left)
00678 _DEFINE_BINARY_OPERATOR(>>, __shift_right)
00679 _DEFINE_BINARY_OPERATOR(&&, __logical_and)
00680 _DEFINE_BINARY_OPERATOR(||, __logical_or)
00681 _DEFINE_BINARY_OPERATOR(==, __equal_to)
00682 _DEFINE_BINARY_OPERATOR(!=, __not_equal_to)
00683 _DEFINE_BINARY_OPERATOR(<, __less)
00684 _DEFINE_BINARY_OPERATOR(>, __greater)
00685 _DEFINE_BINARY_OPERATOR(<=, __less_equal)
00686 _DEFINE_BINARY_OPERATOR(>=, __greater_equal)
00687 
00688 } // namespace std
00689 
00690 #endif // _CPP_VALARRAY
00691 
00692 // Local Variables:
00693 // mode:c++
00694 // End:

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