# valarray_after.h

    00001 // The template and inlines for the -*- C++ -*- internal _Meta class.
    00002
    00003 // Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
    00004 //
    00005 // This file is part of the GNU ISO C++ Library.  This library is free
    00006 // software; you can redistribute it and/or modify it under the
    00007 // terms of the GNU General Public License as published by the
    00008 // Free Software Foundation; either version 2, or (at your option)
    00009 // any later version.
    00010
    00011 // This library is distributed in the hope that it will be useful,
    00012 // but WITHOUT ANY WARRANTY; without even the implied warranty of
    00013 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    00014 // GNU General Public License for more details.
    00015
    00016 // You should have received a copy of the GNU General Public License along
    00017 // with this library; see the file COPYING.  If not, write to the Free
    00018 // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
    00019 // USA.
    00020
    00021 // As a special exception, you may use this file as part of a free software
    00022 // library without restriction.  Specifically, if other files instantiate
    00023 // templates or use macros or inline functions from this file, or you compile
    00024 // this file and link it with other files to produce an executable, this
    00025 // file does not by itself cause the resulting executable to be covered by
    00026 // the GNU General Public License.  This exception does not however
    00027 // invalidate any other reasons why the executable file might be covered by
    00028 // the GNU General Public License.
    00029
    00030 // Written by Gabriel Dos Reis <Gabriel.Dos-Reis@cmla.ens-cachan.fr>
    00031
    00032 /** @file valarray_meta.h
    00033  *  This is an internal header file, included by other library headers.
    00034  *  You should not attempt to use it directly.
    00035  */
    00036
    00037 #ifndef _VALARRAY_AFTER_H
    00038 #define _VALARRAY_AFTER_H 1
    00039
    00040 #pragma GCC system_header
    00041
    00042 namespace std
    00043 {
    00044
    00045     //
    00046     // gslice_array closure.
    00047     //
    00048     template<class _Dom> class _GBase {
    00049     public:
    00050         typedef typename _Dom::value_type value_type;
    00051
    00052         _GBase (const _Dom& __e, const valarray<size_t>& __i)
    00053                 : _M_expr (__e), _M_index(__i) {}
    00054         value_type operator[] (size_t __i) const
    00055         { return _M_expr[_M_index[__i]]; }
    00056         size_t size () const { return _M_index.size(); }
    00057
    00058     private:
    00059         const _Dom&  _M_expr;
    00060         const valarray<size_t>& _M_index;
    00061     };
    00062
    00063     template<typename _Tp> class _GBase<_Array<_Tp> > {
    00064     public:
    00065         typedef _Tp value_type;
    00066
    00067         _GBase (_Array<_Tp> __a, const valarray<size_t>& __i)
    00068                 : _M_array (__a), _M_index(__i) {}
    00069         value_type operator[] (size_t __i) const
    00070         { return _M_array._M_data[_M_index[__i]]; }
    00071         size_t size () const { return _M_index.size(); }
    00072
    00073     private:
    00074         const _Array<_Tp>     _M_array;
    00075         const valarray<size_t>& _M_index;
    00076     };
    00077
    00078     template<class _Dom> struct _GClos<_Expr,_Dom> : _GBase<_Dom> {
    00079         typedef _GBase<_Dom> _Base;
    00080         typedef typename _Base::value_type value_type;
    00081
    00082         _GClos (const _Dom& __e, const valarray<size_t>& __i)
    00083                 : _Base (__e, __i) {}
    00084     };
    00085
    00086     template<typename _Tp>
    00087     struct _GClos<_ValArray,_Tp> : _GBase<_Array<_Tp> > {
    00088         typedef _GBase<_Array<_Tp> > _Base;
    00089         typedef typename _Base::value_type value_type;
    00090
    00091         _GClos (_Array<_Tp> __a, const valarray<size_t>& __i)
    00092                 : _Base (__a, __i) {}
    00093     };
    00094
    00095     //
    00096     // indirect_array closure
    00097     //
    00098     template<class _Dom> class _IBase {
    00099     public:
    00100         typedef typename _Dom::value_type value_type;
    00101
    00102         _IBase (const _Dom& __e, const valarray<size_t>& __i)
    00103                 : _M_expr (__e), _M_index (__i) {}
    00104         value_type operator[] (size_t __i) const
    00105         { return _M_expr[_M_index[__i]]; }
    00106         size_t size() const { return _M_index.size(); }
    00107
    00108     private:
    00109         const _Dom&     _M_expr;
    00110         const valarray<size_t>& _M_index;
    00111     };
    00112
    00113     template<class _Dom> struct _IClos<_Expr,_Dom> : _IBase<_Dom> {
    00114         typedef _IBase<_Dom> _Base;
    00115         typedef typename _Base::value_type value_type;
    00116
    00117         _IClos (const _Dom& __e, const valarray<size_t>& __i)
    00118                 : _Base (__e, __i) {}
    00119     };
    00120
    00121     template<typename _Tp>
    00122     struct _IClos<_ValArray,_Tp>  : _IBase<valarray<_Tp> > {
    00123         typedef _IBase<valarray<_Tp> > _Base;
    00124         typedef _Tp value_type;
    00125
    00126         _IClos (const valarray<_Tp>& __a, const valarray<size_t>& __i)
    00127                 : _Base (__a, __i) {}
    00128     };
    00129
    00130   //
    00131   // class _Expr
    00132   //
    00133   template<class _Clos, typename _Tp>
    00134     class _Expr
    00135     {
    00136     public:
    00137       typedef _Tp value_type;
    00138
    00139       _Expr(const _Clos&);
    00140
    00141       const _Clos& operator()() const;
    00142
    00143       value_type operator[](size_t) const;
    00144       valarray<value_type> operator[](slice) const;
    00145       valarray<value_type> operator[](const gslice&) const;
    00146       valarray<value_type> operator[](const valarray<bool>&) const;
    00147       valarray<value_type> operator[](const valarray<size_t>&) const;
    00148
    00149       _Expr<_UnClos<__unary_plus,std::_Expr,_Clos>, value_type>
    00150         operator+() const;
    00151
    00152       _Expr<_UnClos<__negate,std::_Expr,_Clos>, value_type>
    00153         operator-() const;
    00154
    00155       _Expr<_UnClos<__bitwise_not,std::_Expr,_Clos>, value_type>
    00156         operator~() const;
    00157
    00158       _Expr<_UnClos<__logical_not,std::_Expr,_Clos>, bool>
    00159         operator!() const;
    00160
    00161       size_t size() const;
    00162       value_type sum() const;
    00163
    00164       valarray<value_type> shift(int) const;
    00165       valarray<value_type> cshift(int) const;
    00166
    00167       value_type min() const;
    00168       value_type max() const;
    00169
    00170       valarray<value_type> apply(value_type (*)(const value_type&)) const;
    00171       valarray<value_type> apply(value_type (*)(value_type)) const;
    00172
    00173     private:
    00174       const _Clos _M_closure;
    00175     };
    00176
    00177   template<class _Clos, typename _Tp>
    00178     inline
    00179     _Expr<_Clos,_Tp>::_Expr(const _Clos& __c) : _M_closure(__c) {}
    00180
    00181   template<class _Clos, typename _Tp>
    00182     inline const _Clos&
    00183     _Expr<_Clos,_Tp>::operator()() const
    00184     { return _M_closure; }
    00185
    00186   template<class _Clos, typename _Tp>
    00187     inline _Tp
    00188     _Expr<_Clos,_Tp>::operator[](size_t __i) const
    00189     { return _M_closure[__i]; }
    00190
    00191   template<class _Clos, typename _Tp>
    00192     inline valarray<_Tp>
    00193     _Expr<_Clos,_Tp>::operator[](slice __s) const
    00194     { return _M_closure[__s]; }
    00195
    00196   template<class _Clos, typename _Tp>
    00197     inline valarray<_Tp>
    00198     _Expr<_Clos,_Tp>::operator[](const gslice& __gs) const
    00199     { return _M_closure[__gs]; }
    00200
    00201   template<class _Clos, typename _Tp>
    00202     inline valarray<_Tp>
    00203     _Expr<_Clos,_Tp>::operator[](const valarray<bool>& __m) const
    00204     { return _M_closure[__m]; }
    00205
    00206   template<class _Clos, typename _Tp>
    00207     inline valarray<_Tp>
    00208     _Expr<_Clos,_Tp>::operator[](const valarray<size_t>& __i) const
    00209     { return _M_closure[__i]; }
    00210
    00211   template<class _Clos, typename _Tp>
    00212     inline size_t
    00213     _Expr<_Clos,_Tp>::size() const  { return _M_closure.size (); }
    00214
    00215   template<class _Clos, typename _Tp>
    00216     inline valarray<_Tp>
    00217     _Expr<_Clos, _Tp>::shift(int __n) const
    00218     { return valarray<_Tp>(_M_closure).shift(__n); }
    00219
    00220   template<class _Clos, typename _Tp>
    00221     inline valarray<_Tp>
    00222     _Expr<_Clos, _Tp>::cshift(int __n) const
    00223     { return valarray<_Tp>(_M_closure).cshift(__n); }
    00224
    00225   template<class _Clos, typename _Tp>
    00226     inline valarray<_Tp>
    00227     _Expr<_Clos, _Tp>::apply(_Tp __f(const _Tp&)) const
    00228     { return valarray<_Tp>(_M_closure).apply(__f); }
    00229
    00230   template<class _Clos, typename _Tp>
    00231     inline valarray<_Tp>
    00232     _Expr<_Clos, _Tp>::apply(_Tp __f(_Tp)) const
    00233     { return valarray<_Tp>(_M_closure).apply(__f); }
    00234
    00235   // XXX: replace this with a more robust summation algorithm.
    00236   template<class _Clos, typename _Tp>
    00237     inline _Tp
    00238     _Expr<_Clos,_Tp>::sum() const
    00239     {
    00240       size_t __n = _M_closure.size();
    00241       if (__n == 0)
    00242     return _Tp();
    00243       else
    00244     {
    00245       _Tp __s = _M_closure[--__n];
    00246       while (__n != 0)
    00247         __s += _M_closure[--__n];
    00248       return __s;
    00249         }
    00250     }
    00251
    00252   template<class _Clos, typename _Tp>
    00253     inline _Tp
    00254     _Expr<_Clos, _Tp>::min() const
    00255     { return __valarray_min(_M_closure); }
    00256
    00257   template<class _Clos, typename _Tp>
    00258     inline _Tp
    00259     _Expr<_Clos, _Tp>::max() const
    00260     { return __valarray_max(_M_closure); }
    00261
    00262   template<class _Dom, typename _Tp>
    00263     inline _Expr<_UnClos<__logical_not,_Expr,_Dom>, bool>
    00264     _Expr<_Dom,_Tp>::operator!() const
    00265     {
    00266       typedef _UnClos<__logical_not,std::_Expr,_Dom> _Closure;
    00267       return _Expr<_Closure,_Tp>(_Closure(this->_M_closure));
    00268     }
    00269
    00270 #define _DEFINE_EXPR_UNARY_OPERATOR(_Op, _Name)                           \
    00271   template<class _Dom, typename _Tp>                                      \
    00272     inline _Expr<_UnClos<_Name,std::_Expr,_Dom>,_Tp>                      \
    00273     _Expr<_Dom,_Tp>::operator _Op() const                                 \
    00274     {                                                                     \
    00275       typedef _UnClos<_Name,std::_Expr,_Dom> _Closure;                    \
    00276       return _Expr<_Closure,_Tp>(_Closure(this->_M_closure));             \
    00277     }
    00278
    00279     _DEFINE_EXPR_UNARY_OPERATOR(+, __unary_plus)
    00280     _DEFINE_EXPR_UNARY_OPERATOR(-, __negate)
    00281     _DEFINE_EXPR_UNARY_OPERATOR(~, __bitwise_not)
    00282
    00283 #undef _DEFINE_EXPR_UNARY_OPERATOR
    00284
    00285
    00286 #define _DEFINE_EXPR_BINARY_OPERATOR(_Op, _Name)                        \
    00287   template<class _Dom1, class _Dom2>                    \
    00288   inline _Expr<_BinClos<_Name,_Expr,_Expr,_Dom1,_Dom2>,                 \
    00289          typename __fun<_Name, typename _Dom1::value_type>::result_type>\
    00290   operator _Op(const _Expr<_Dom1,typename _Dom1::value_type>& __v,      \
    00291            const _Expr<_Dom2,typename _Dom2::value_type>& __w)      \
    00292   {                                                                     \
    00293     typedef typename _Dom1::value_type _Arg;                            \
    00294     typedef typename __fun<_Name, _Arg>::result_type _Value;            \
    00295     typedef _BinClos<_Name,_Expr,_Expr,_Dom1,_Dom2> _Closure;           \
    00296     return _Expr<_Closure,_Value>(_Closure(__v(), __w()));              \
    00297   }                                                                     \
    00298                                                                         \
    00299 template<class _Dom>                                                    \
    00300 inline _Expr<_BinClos<_Name,_Expr,_Constant,_Dom,typename _Dom::value_type>,\
    00301              typename __fun<_Name, typename _Dom::value_type>::result_type>\
    00302 operator _Op(const _Expr<_Dom,typename _Dom::value_type>& __v,          \
    00303              const typename _Dom::value_type& __t)                      \
    00304 {                                                                       \
    00305   typedef typename _Dom::value_type _Arg;                               \
    00306   typedef typename __fun<_Name, _Arg>::result_type _Value;              \
    00307   typedef _BinClos<_Name,_Expr,_Constant,_Dom,_Arg> _Closure;           \
    00308   return _Expr<_Closure,_Value>(_Closure(__v(), __t));                  \
    00309 }                                                                       \
    00310                                                                         \
    00311 template<class _Dom>                                                    \
    00312 inline _Expr<_BinClos<_Name,_Constant,_Expr,typename _Dom::value_type,_Dom>,\
    00313              typename __fun<_Name, typename _Dom::value_type>::result_type>\
    00314 operator _Op(const typename _Dom::value_type& __t,                      \
    00315              const _Expr<_Dom,typename _Dom::value_type>& __v)          \
    00316 {                                                                       \
    00317   typedef typename _Dom::value_type _Arg;                               \
    00318   typedef typename __fun<_Name, _Arg>::result_type _Value;              \
    00319   typedef _BinClos<_Name,_Constant,_Expr,_Arg,_Dom> _Closure;           \
    00320   return _Expr<_Closure,_Value>(_Closure(__t, __v()));                  \
    00321 }                                                                       \
    00322                                                                         \
    00323 template<class _Dom>                                                    \
    00324 inline _Expr<_BinClos<_Name,_Expr,_ValArray,_Dom,typename _Dom::value_type>,\
    00325              typename __fun<_Name, typename _Dom::value_type>::result_type>\
    00326 operator _Op(const _Expr<_Dom,typename _Dom::value_type>& __e,          \
    00327              const valarray<typename _Dom::value_type>& __v)            \
    00328 {                                                                       \
    00329   typedef typename _Dom::value_type _Arg;                               \
    00330   typedef typename __fun<_Name, _Arg>::result_type _Value;              \
    00331   typedef _BinClos<_Name,_Expr,_ValArray,_Dom,_Arg> _Closure;           \
    00332   return  _Expr<_Closure,_Value>(_Closure(__e(), __v));                 \
    00333 }                                                                       \
    00334                                                                         \
    00335 template<class _Dom>                                                    \
    00336 inline _Expr<_BinClos<_Name,_ValArray,_Expr,typename _Dom::value_type,_Dom>,\
    00337              typename __fun<_Name, typename _Dom::value_type>::result_type>\
    00338 operator _Op(const valarray<typename _Dom::value_type>& __v,            \
    00339              const _Expr<_Dom,typename _Dom::value_type>& __e)          \
    00340 {                                                                       \
    00341   typedef typename _Dom::value_type _Tp;                                \
    00342   typedef typename __fun<_Name, _Tp>::result_type _Value;               \
    00343   typedef _BinClos<_Name,_ValArray,_Expr,_Tp,_Dom> _Closure;            \
    00344   return _Expr<_Closure,_Value> (_Closure (__v, __e ()));               \
    00345 }
    00346
    00347     _DEFINE_EXPR_BINARY_OPERATOR(+, __plus)
    00348     _DEFINE_EXPR_BINARY_OPERATOR(-, __minus)
    00349     _DEFINE_EXPR_BINARY_OPERATOR(*, __multiplies)
    00350     _DEFINE_EXPR_BINARY_OPERATOR(/, __divides)
    00351     _DEFINE_EXPR_BINARY_OPERATOR(%, __modulus)
    00352     _DEFINE_EXPR_BINARY_OPERATOR(^, __bitwise_xor)
    00353     _DEFINE_EXPR_BINARY_OPERATOR(&, __bitwise_and)
    00354     _DEFINE_EXPR_BINARY_OPERATOR(|, __bitwise_or)
    00355     _DEFINE_EXPR_BINARY_OPERATOR(<<, __shift_left)
    00356     _DEFINE_EXPR_BINARY_OPERATOR(>>, __shift_right)
    00357     _DEFINE_EXPR_BINARY_OPERATOR(&&, __logical_and)
    00358     _DEFINE_EXPR_BINARY_OPERATOR(||, __logical_or)
    00359     _DEFINE_EXPR_BINARY_OPERATOR(==, __equal_to)
    00360     _DEFINE_EXPR_BINARY_OPERATOR(!=, __not_equal_to)
    00361     _DEFINE_EXPR_BINARY_OPERATOR(<, __less)
    00362     _DEFINE_EXPR_BINARY_OPERATOR(>, __greater)
    00363     _DEFINE_EXPR_BINARY_OPERATOR(<=, __less_equal)
    00364     _DEFINE_EXPR_BINARY_OPERATOR(>=, __greater_equal)
    00365
    00366 #undef _DEFINE_EXPR_BINARY_OPERATOR
    00367
    00368 #define _DEFINE_EXPR_UNARY_FUNCTION(_Name)                               \
    00369   template<class _Dom>                                                   \
    00370     inline _Expr<_UnClos<__##_Name,_Expr,_Dom>,typename _Dom::value_type>\
    00371     _Name(const _Expr<_Dom,typename _Dom::value_type>& __e)              \
    00372     {                                                                    \
    00373       typedef typename _Dom::value_type _Tp;                             \
    00374       typedef _UnClos<__##_Name,_Expr,_Dom> _Closure;                    \
    00375       return _Expr<_Closure,_Tp>(_Closure(__e()));                       \
    00376     }                                                                    \
    00377                                                                          \
    00378   template<typename _Tp>                                                 \
    00379     inline _Expr<_UnClos<__##_Name,_ValArray,_Tp>,_Tp>                   \
    00380     _Name(const valarray<_Tp>& __v)                                      \
    00381     {                                                                    \
    00382       typedef _UnClos<__##_Name,_ValArray,_Tp> _Closure;                 \
    00383       return _Expr<_Closure,_Tp>(_Closure(__v));                         \
    00384     }
    00385
    00386     _DEFINE_EXPR_UNARY_FUNCTION(abs)
    00387     _DEFINE_EXPR_UNARY_FUNCTION(cos)
    00388     _DEFINE_EXPR_UNARY_FUNCTION(acos)
    00389     _DEFINE_EXPR_UNARY_FUNCTION(cosh)
    00390     _DEFINE_EXPR_UNARY_FUNCTION(sin)
    00391     _DEFINE_EXPR_UNARY_FUNCTION(asin)
    00392     _DEFINE_EXPR_UNARY_FUNCTION(sinh)
    00393     _DEFINE_EXPR_UNARY_FUNCTION(tan)
    00394     _DEFINE_EXPR_UNARY_FUNCTION(tanh)
    00395     _DEFINE_EXPR_UNARY_FUNCTION(atan)
    00396     _DEFINE_EXPR_UNARY_FUNCTION(exp)
    00397     _DEFINE_EXPR_UNARY_FUNCTION(log)
    00398     _DEFINE_EXPR_UNARY_FUNCTION(log10)
    00399     _DEFINE_EXPR_UNARY_FUNCTION(sqrt)
    00400
    00401 #undef _DEFINE_EXPR_UNARY_FUNCTION
    00402
    00403 #define _DEFINE_EXPR_BINARY_FUNCTION(_Fun)                             \
    00404   template<class _Dom1, class _Dom2>                                   \
    00405     inline _Expr<_BinClos<__##_Fun,_Expr,_Expr,_Dom1,_Dom2>,           \
    00406          typename _Dom1::value_type>                           \
    00407     _Fun(const _Expr<_Dom1,typename _Dom1::value_type>& __e1,          \
    00408       const _Expr<_Dom2,typename _Dom2::value_type>& __e2)         \
    00409     {                                                                  \
    00410       typedef typename _Dom1::value_type _Tp;                          \
    00411       typedef _BinClos<__##_Fun,_Expr,_Expr,_Dom1,_Dom2> _Closure;     \
    00412       return _Expr<_Closure,_Tp>(_Closure(__e1(), __e2()));            \
    00413     }                                                                  \
    00414                                                                        \
    00415   template<class _Dom>                                                 \
    00416     inline _Expr<_BinClos<__##_Fun, _Expr, _ValArray, _Dom,            \
    00417               typename _Dom::value_type>,                  \
    00418          typename _Dom::value_type>                            \
    00419     _Fun(const _Expr<_Dom,typename _Dom::value_type>& __e,             \
    00420      const valarray<typename _Dom::value_type>& __v)               \
    00421     {                                                                  \
    00422       typedef typename _Dom::value_type _Tp;                           \
    00423       typedef _BinClos<__##_Fun, _Expr, _ValArray, _Dom, _Tp> _Closure;\
    00424       return _Expr<_Closure,_Tp>(_Closure(__e(), __v));                \
    00425     }                                                                  \
    00426                                                                        \
    00427   template<class _Dom>                                                 \
    00428     inline _Expr<_BinClos<__##_Fun, _ValArray, _Expr,                  \
    00429               typename _Dom::value_type,_Dom>,             \
    00430          typename _Dom::value_type>                            \
    00431     _Fun(const valarray<typename _Dom::valarray>& __v,                 \
    00432      const _Expr<_Dom,typename _Dom::value_type>& __e)             \
    00433     {                                                                  \
    00434       typedef typename _Dom::value_type _Tp;                           \
    00435       typedef _BinClos<__##_Fun,_ValArray,_Expr,_Tp,_Dom> _Closure;    \
    00436       return _Expr<_Closure,_Tp>(_Closure(__v, __e()));                \
    00437     }                                                                  \
    00438                                                                        \
    00439   template<class _Dom>                                                 \
    00440     inline _Expr<_BinClos<__##_Fun,_Expr,_Constant,_Dom,               \
    00441               typename _Dom::value_type>,                  \
    00442          typename _Dom::value_type>                            \
    00443     _Fun(const _Expr<_Dom, typename _Dom::value_type>& __e,            \
    00444      const typename _Dom::value_type& __t)                         \
    00445     {                                                                  \
    00446       typedef typename _Dom::value_type _Tp;                           \
    00447       typedef _BinClos<__##_Fun,_Expr,_Constant,_Dom,_Tp> _Closure;    \
    00448       return _Expr<_Closure,_Tp>(_Closure(__e(), __t));                \
    00449     }                                                                  \
    00450                                                                        \
    00451   template<class _Dom>                                                 \
    00452     inline _Expr<_BinClos<__##_Fun,_Constant,_Expr,                    \
    00453               typename _Dom::value_type,_Dom>,             \
    00454          typename _Dom::value_type>                            \
    00455     _Fun(const typename _Dom::value_type& __t,                         \
    00456      const _Expr<_Dom,typename _Dom::value_type>& __e)             \
    00457     {                                                                  \
    00458       typedef typename _Dom::value_type _Tp;                           \
    00459       typedef _BinClos<__##_Fun, _Constant,_Expr,_Tp,_Dom> _Closure;   \
    00460       return _Expr<_Closure,_Tp>(_Closure(__t, __e()));                \
    00461     }                                                                  \
    00462                                                                        \
    00463   template<typename _Tp>                                               \
    00464     inline _Expr<_BinClos<__##_Fun,_ValArray,_ValArray,_Tp,_Tp>, _Tp>  \
    00465     _Fun(const valarray<_Tp>& __v, const valarray<_Tp>& __w)           \
    00466     {                                                                  \
    00467       typedef _BinClos<__##_Fun,_ValArray,_ValArray,_Tp,_Tp> _Closure; \
    00468       return _Expr<_Closure,_Tp>(_Closure(__v, __w));                  \
    00469     }                                                                  \
    00470                                                                        \
    00471   template<typename _Tp>                                               \
    00472     inline _Expr<_BinClos<__##_Fun,_ValArray,_Constant,_Tp,_Tp>,_Tp>   \
    00473     _Fun(const valarray<_Tp>& __v, const _Tp& __t)                     \
    00474     {                                                                  \
    00475       typedef _BinClos<__##_Fun,_ValArray,_Constant,_Tp,_Tp> _Closure; \
    00476       return _Expr<_Closure,_Tp>(_Closure(__v, __t));                  \
    00477     }                                                                  \
    00478                                        \
    00479   template<typename _Tp>                                               \
    00480     inline _Expr<_BinClos<__##_Fun,_Constant,_ValArray,_Tp,_Tp>,_Tp>   \
    00481     _Fun(const _Tp& __t, const valarray<_Tp>& __v)                     \
    00482     {                                                                  \
    00483       typedef _BinClos<__##_Fun,_Constant,_ValArray,_Tp,_Tp> _Closure; \
    00484       return _Expr<_Closure,_Tp>(_Closure(__t, __v));                  \
    00485     }
    00486
    00487 _DEFINE_EXPR_BINARY_FUNCTION(atan2)
    00488 _DEFINE_EXPR_BINARY_FUNCTION(pow)
    00489
    00490 #undef _DEFINE_EXPR_BINARY_FUNCTION
    00491
    00492 } // std::
    00493
    00494
    00495 #endif /* _CPP_VALARRAY_AFTER_H */
    00496
    00497 // Local Variables:
    00498 // mode:c++
    00499 // End: