valarray_after.h

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00001 // The template and inlines for the -*- C++ -*- internal _Meta class.
00002 
00003 // Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
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@cmla.ens-cachan.fr>
00032 
00033 /** @file valarray_after.h
00034  *  This is an internal header file, included by other library headers.
00035  *  You should not attempt to use it directly.
00036  */
00037 
00038 #ifndef _VALARRAY_AFTER_H
00039 #define _VALARRAY_AFTER_H 1
00040 
00041 #pragma GCC system_header
00042 
00043 namespace std
00044 {
00045   //
00046   // gslice_array closure.
00047   //
00048   template<class _Dom>
00049     class _GBase
00050     {
00051     public:
00052       typedef typename _Dom::value_type value_type;
00053       
00054       _GBase (const _Dom& __e, const valarray<size_t>& __i)
00055       : _M_expr (__e), _M_index(__i) {}
00056       
00057       value_type
00058       operator[] (size_t __i) const
00059       { return _M_expr[_M_index[__i]]; }
00060       
00061       size_t
00062       size () const
00063       { return _M_index.size(); }
00064 
00065     private:
00066       const _Dom&         _M_expr;
00067       const valarray<size_t>& _M_index;
00068     };
00069 
00070   template<typename _Tp>
00071     class _GBase<_Array<_Tp> >
00072     {
00073     public:
00074       typedef _Tp value_type;
00075       
00076       _GBase (_Array<_Tp> __a, const valarray<size_t>& __i)
00077       : _M_array (__a), _M_index(__i) {}
00078       
00079       value_type
00080       operator[] (size_t __i) const
00081       { return _M_array._M_data[_M_index[__i]]; }
00082       
00083       size_t
00084       size () const
00085       { return _M_index.size(); }
00086 
00087     private:
00088       const _Array<_Tp>       _M_array;
00089       const valarray<size_t>& _M_index;
00090     };
00091 
00092   template<class _Dom>
00093     struct _GClos<_Expr, _Dom>
00094     : _GBase<_Dom>
00095     {
00096       typedef _GBase<_Dom> _Base;
00097       typedef typename _Base::value_type value_type;
00098       
00099       _GClos (const _Dom& __e, const valarray<size_t>& __i)
00100       : _Base (__e, __i) {}
00101     };
00102 
00103   template<typename _Tp>
00104     struct _GClos<_ValArray, _Tp>
00105     : _GBase<_Array<_Tp> >
00106     {
00107       typedef _GBase<_Array<_Tp> > _Base;
00108       typedef typename _Base::value_type value_type;
00109       
00110       _GClos (_Array<_Tp> __a, const valarray<size_t>& __i)
00111       : _Base (__a, __i) {}
00112     };
00113 
00114   //
00115   // indirect_array closure
00116   //
00117   template<class _Dom>
00118     class _IBase
00119     {
00120     public:
00121       typedef typename _Dom::value_type value_type;
00122 
00123       _IBase (const _Dom& __e, const valarray<size_t>& __i)
00124       : _M_expr (__e), _M_index (__i) {}
00125       
00126       value_type
00127       operator[] (size_t __i) const
00128       { return _M_expr[_M_index[__i]]; }
00129       
00130       size_t
00131       size() const
00132       { return _M_index.size(); }
00133 
00134     private:
00135       const _Dom&         _M_expr;
00136       const valarray<size_t>& _M_index;
00137     };
00138 
00139   template<class _Dom>
00140     struct _IClos<_Expr, _Dom>
00141     : _IBase<_Dom>
00142     {
00143       typedef _IBase<_Dom> _Base;
00144       typedef typename _Base::value_type value_type;
00145       
00146       _IClos (const _Dom& __e, const valarray<size_t>& __i)
00147       : _Base (__e, __i) {}
00148     };
00149 
00150   template<typename _Tp>
00151     struct _IClos<_ValArray, _Tp>
00152     : _IBase<valarray<_Tp> >
00153     {
00154       typedef _IBase<valarray<_Tp> > _Base;
00155       typedef _Tp value_type;
00156       
00157       _IClos (const valarray<_Tp>& __a, const valarray<size_t>& __i)
00158       : _Base (__a, __i) {}
00159     };
00160   
00161   //
00162   // class _Expr
00163   //
00164   template<class _Clos, typename _Tp>
00165     class _Expr
00166     {
00167     public:
00168       typedef _Tp value_type;
00169 
00170       _Expr(const _Clos&);
00171 
00172       const _Clos& operator()() const;
00173 
00174       value_type operator[](size_t) const;
00175       valarray<value_type> operator[](slice) const;
00176       valarray<value_type> operator[](const gslice&) const;
00177       valarray<value_type> operator[](const valarray<bool>&) const;
00178       valarray<value_type> operator[](const valarray<size_t>&) const;
00179 
00180       _Expr<_UnClos<__unary_plus, std::_Expr, _Clos>, value_type>
00181       operator+() const;
00182 
00183       _Expr<_UnClos<__negate, std::_Expr, _Clos>, value_type>
00184       operator-() const;
00185 
00186       _Expr<_UnClos<__bitwise_not, std::_Expr, _Clos>, value_type>
00187       operator~() const;
00188 
00189       _Expr<_UnClos<__logical_not, std::_Expr, _Clos>, bool>
00190       operator!() const;
00191 
00192       size_t size() const;
00193       value_type sum() const;
00194 
00195       valarray<value_type> shift(int) const;
00196       valarray<value_type> cshift(int) const;
00197 
00198       value_type min() const;
00199       value_type max() const;
00200 
00201       valarray<value_type> apply(value_type (*)(const value_type&)) const;
00202       valarray<value_type> apply(value_type (*)(value_type)) const;
00203 
00204     private:
00205       const _Clos _M_closure;
00206     };
00207 
00208   template<class _Clos, typename _Tp>
00209     inline
00210     _Expr<_Clos, _Tp>::_Expr(const _Clos& __c) : _M_closure(__c) {}
00211 
00212   template<class _Clos, typename _Tp>
00213     inline const _Clos&
00214     _Expr<_Clos, _Tp>::operator()() const
00215     { return _M_closure; }
00216 
00217   template<class _Clos, typename _Tp>
00218     inline _Tp
00219     _Expr<_Clos, _Tp>::operator[](size_t __i) const
00220     { return _M_closure[__i]; }
00221 
00222   template<class _Clos, typename _Tp>
00223     inline valarray<_Tp>
00224     _Expr<_Clos, _Tp>::operator[](slice __s) const
00225     { return _M_closure[__s]; }
00226 
00227   template<class _Clos, typename _Tp>
00228     inline valarray<_Tp>
00229     _Expr<_Clos, _Tp>::operator[](const gslice& __gs) const
00230     { return _M_closure[__gs]; }
00231 
00232   template<class _Clos, typename _Tp>
00233     inline valarray<_Tp>
00234     _Expr<_Clos, _Tp>::operator[](const valarray<bool>& __m) const
00235     { return _M_closure[__m]; }
00236 
00237   template<class _Clos, typename _Tp>
00238     inline valarray<_Tp>
00239     _Expr<_Clos, _Tp>::operator[](const valarray<size_t>& __i) const
00240     { return _M_closure[__i]; }
00241 
00242   template<class _Clos, typename _Tp>
00243     inline size_t
00244     _Expr<_Clos, _Tp>::size() const
00245     { return _M_closure.size (); }
00246 
00247   template<class _Clos, typename _Tp>
00248     inline valarray<_Tp>
00249     _Expr<_Clos, _Tp>::shift(int __n) const
00250     { return valarray<_Tp>(_M_closure).shift(__n); }
00251 
00252   template<class _Clos, typename _Tp>
00253     inline valarray<_Tp>
00254     _Expr<_Clos, _Tp>::cshift(int __n) const
00255     { return valarray<_Tp>(_M_closure).cshift(__n); }
00256 
00257   template<class _Clos, typename _Tp>
00258     inline valarray<_Tp>
00259     _Expr<_Clos, _Tp>::apply(_Tp __f(const _Tp&)) const
00260     { return valarray<_Tp>(_M_closure).apply(__f); }
00261 
00262   template<class _Clos, typename _Tp>
00263     inline valarray<_Tp>
00264     _Expr<_Clos, _Tp>::apply(_Tp __f(_Tp)) const
00265     { return valarray<_Tp>(_M_closure).apply(__f); }
00266 
00267   // XXX: replace this with a more robust summation algorithm.
00268   template<class _Clos, typename _Tp>
00269     inline _Tp
00270     _Expr<_Clos, _Tp>::sum() const
00271     {
00272       size_t __n = _M_closure.size();
00273       if (__n == 0)
00274     return _Tp();
00275       else
00276     {
00277       _Tp __s = _M_closure[--__n];
00278       while (__n != 0)
00279         __s += _M_closure[--__n];
00280       return __s;
00281         }
00282     }
00283 
00284   template<class _Clos, typename _Tp>
00285     inline _Tp
00286     _Expr<_Clos, _Tp>::min() const
00287     { return __valarray_min(_M_closure); }
00288 
00289   template<class _Clos, typename _Tp>
00290     inline _Tp
00291     _Expr<_Clos, _Tp>::max() const
00292     { return __valarray_max(_M_closure); }
00293 
00294   template<class _Dom, typename _Tp>
00295     inline _Expr<_UnClos<__logical_not, _Expr, _Dom>, bool>
00296     _Expr<_Dom, _Tp>::operator!() const
00297     {
00298       typedef _UnClos<__logical_not, std::_Expr, _Dom> _Closure;
00299       return _Expr<_Closure, _Tp>(_Closure(this->_M_closure));
00300     }
00301 
00302 #define _DEFINE_EXPR_UNARY_OPERATOR(_Op, _Name)                           \
00303   template<class _Dom, typename _Tp>                                      \
00304     inline _Expr<_UnClos<_Name, std::_Expr, _Dom>, _Tp>                   \
00305     _Expr<_Dom, _Tp>::operator _Op() const                                \
00306     {                                                                     \
00307       typedef _UnClos<_Name, std::_Expr, _Dom> _Closure;                  \
00308       return _Expr<_Closure, _Tp>(_Closure(this->_M_closure));            \
00309     }
00310 
00311     _DEFINE_EXPR_UNARY_OPERATOR(+, __unary_plus)
00312     _DEFINE_EXPR_UNARY_OPERATOR(-, __negate)
00313     _DEFINE_EXPR_UNARY_OPERATOR(~, __bitwise_not)
00314 
00315 #undef _DEFINE_EXPR_UNARY_OPERATOR
00316 
00317 #define _DEFINE_EXPR_BINARY_OPERATOR(_Op, _Name)                        \
00318   template<class _Dom1, class _Dom2>                    \
00319     inline _Expr<_BinClos<_Name, _Expr, _Expr, _Dom1, _Dom2>,           \
00320            typename __fun<_Name, typename _Dom1::value_type>::result_type> \
00321     operator _Op(const _Expr<_Dom1, typename _Dom1::value_type>& __v,   \
00322              const _Expr<_Dom2, typename _Dom2::value_type>& __w)   \
00323     {                                                                   \
00324       typedef typename _Dom1::value_type _Arg;                          \
00325       typedef typename __fun<_Name, _Arg>::result_type _Value;          \
00326       typedef _BinClos<_Name, _Expr, _Expr, _Dom1, _Dom2> _Closure;     \
00327       return _Expr<_Closure, _Value>(_Closure(__v(), __w()));           \
00328     }                                                                   \
00329                                                                         \
00330   template<class _Dom>                                                  \
00331     inline _Expr<_BinClos<_Name, _Expr, _Constant, _Dom,                \
00332                           typename _Dom::value_type>,                   \
00333              typename __fun<_Name, typename _Dom::value_type>::result_type> \
00334     operator _Op(const _Expr<_Dom, typename _Dom::value_type>& __v,     \
00335                  const typename _Dom::value_type& __t)                  \
00336     {                                                                   \
00337       typedef typename _Dom::value_type _Arg;                           \
00338       typedef typename __fun<_Name, _Arg>::result_type _Value;          \
00339       typedef _BinClos<_Name, _Expr, _Constant, _Dom, _Arg> _Closure;   \
00340       return _Expr<_Closure, _Value>(_Closure(__v(), __t));             \
00341     }                                                                   \
00342                                                                         \
00343   template<class _Dom>                                                  \
00344     inline _Expr<_BinClos<_Name, _Constant, _Expr,                      \
00345                           typename _Dom::value_type, _Dom>,             \
00346              typename __fun<_Name, typename _Dom::value_type>::result_type> \
00347     operator _Op(const typename _Dom::value_type& __t,                  \
00348                  const _Expr<_Dom, typename _Dom::value_type>& __v)     \
00349     {                                                                   \
00350       typedef typename _Dom::value_type _Arg;                           \
00351       typedef typename __fun<_Name, _Arg>::result_type _Value;          \
00352       typedef _BinClos<_Name, _Constant, _Expr, _Arg, _Dom> _Closure;   \
00353       return _Expr<_Closure, _Value>(_Closure(__t, __v()));             \
00354     }                                                                   \
00355                                                                         \
00356   template<class _Dom>                                                  \
00357     inline _Expr<_BinClos<_Name, _Expr, _ValArray,                      \
00358                           _Dom, typename _Dom::value_type>,             \
00359              typename __fun<_Name, typename _Dom::value_type>::result_type> \
00360     operator _Op(const _Expr<_Dom,typename _Dom::value_type>& __e,      \
00361                  const valarray<typename _Dom::value_type>& __v)        \
00362     {                                                                   \
00363       typedef typename _Dom::value_type _Arg;                           \
00364       typedef typename __fun<_Name, _Arg>::result_type _Value;          \
00365       typedef _BinClos<_Name, _Expr, _ValArray, _Dom, _Arg> _Closure;   \
00366       return _Expr<_Closure, _Value>(_Closure(__e(), __v));             \
00367     }                                                                   \
00368                                                                         \
00369   template<class _Dom>                                                  \
00370     inline _Expr<_BinClos<_Name, _ValArray, _Expr,                      \
00371                  typename _Dom::value_type, _Dom>,                      \
00372              typename __fun<_Name, typename _Dom::value_type>::result_type> \
00373     operator _Op(const valarray<typename _Dom::value_type>& __v,        \
00374                  const _Expr<_Dom, typename _Dom::value_type>& __e)     \
00375     {                                                                   \
00376       typedef typename _Dom::value_type _Tp;                            \
00377       typedef typename __fun<_Name, _Tp>::result_type _Value;           \
00378       typedef _BinClos<_Name, _ValArray, _Expr, _Tp, _Dom> _Closure;    \
00379       return _Expr<_Closure, _Value>(_Closure(__v, __e ()));            \
00380     }
00381 
00382     _DEFINE_EXPR_BINARY_OPERATOR(+, __plus)
00383     _DEFINE_EXPR_BINARY_OPERATOR(-, __minus)
00384     _DEFINE_EXPR_BINARY_OPERATOR(*, __multiplies)
00385     _DEFINE_EXPR_BINARY_OPERATOR(/, __divides)
00386     _DEFINE_EXPR_BINARY_OPERATOR(%, __modulus)
00387     _DEFINE_EXPR_BINARY_OPERATOR(^, __bitwise_xor)
00388     _DEFINE_EXPR_BINARY_OPERATOR(&, __bitwise_and)
00389     _DEFINE_EXPR_BINARY_OPERATOR(|, __bitwise_or)
00390     _DEFINE_EXPR_BINARY_OPERATOR(<<, __shift_left)
00391     _DEFINE_EXPR_BINARY_OPERATOR(>>, __shift_right)
00392     _DEFINE_EXPR_BINARY_OPERATOR(&&, __logical_and)
00393     _DEFINE_EXPR_BINARY_OPERATOR(||, __logical_or)
00394     _DEFINE_EXPR_BINARY_OPERATOR(==, __equal_to)
00395     _DEFINE_EXPR_BINARY_OPERATOR(!=, __not_equal_to)
00396     _DEFINE_EXPR_BINARY_OPERATOR(<, __less)
00397     _DEFINE_EXPR_BINARY_OPERATOR(>, __greater)
00398     _DEFINE_EXPR_BINARY_OPERATOR(<=, __less_equal)
00399     _DEFINE_EXPR_BINARY_OPERATOR(>=, __greater_equal)
00400 
00401 #undef _DEFINE_EXPR_BINARY_OPERATOR
00402 
00403 #define _DEFINE_EXPR_UNARY_FUNCTION(_Name)                               \
00404   template<class _Dom>                                                   \
00405     inline _Expr<_UnClos<__##_Name, _Expr, _Dom>,                        \
00406                  typename _Dom::value_type>                              \
00407     _Name(const _Expr<_Dom, typename _Dom::value_type>& __e)             \
00408     {                                                                    \
00409       typedef typename _Dom::value_type _Tp;                             \
00410       typedef _UnClos<__##_Name, _Expr, _Dom> _Closure;                  \
00411       return _Expr<_Closure, _Tp>(_Closure(__e()));                      \
00412     }                                                                    \
00413                                                                          \
00414   template<typename _Tp>                                                 \
00415     inline _Expr<_UnClos<__##_Name, _ValArray, _Tp>, _Tp>                \
00416     _Name(const valarray<_Tp>& __v)                                      \
00417     {                                                                    \
00418       typedef _UnClos<__##_Name, _ValArray, _Tp> _Closure;               \
00419       return _Expr<_Closure, _Tp>(_Closure(__v));                        \
00420     }
00421 
00422     _DEFINE_EXPR_UNARY_FUNCTION(abs)
00423     _DEFINE_EXPR_UNARY_FUNCTION(cos)
00424     _DEFINE_EXPR_UNARY_FUNCTION(acos)
00425     _DEFINE_EXPR_UNARY_FUNCTION(cosh)
00426     _DEFINE_EXPR_UNARY_FUNCTION(sin)
00427     _DEFINE_EXPR_UNARY_FUNCTION(asin)
00428     _DEFINE_EXPR_UNARY_FUNCTION(sinh)
00429     _DEFINE_EXPR_UNARY_FUNCTION(tan)
00430     _DEFINE_EXPR_UNARY_FUNCTION(tanh)
00431     _DEFINE_EXPR_UNARY_FUNCTION(atan)
00432     _DEFINE_EXPR_UNARY_FUNCTION(exp)
00433     _DEFINE_EXPR_UNARY_FUNCTION(log)
00434     _DEFINE_EXPR_UNARY_FUNCTION(log10)
00435     _DEFINE_EXPR_UNARY_FUNCTION(sqrt)
00436 
00437 #undef _DEFINE_EXPR_UNARY_FUNCTION
00438 
00439 #define _DEFINE_EXPR_BINARY_FUNCTION(_Fun)                             \
00440   template<class _Dom1, class _Dom2>                                   \
00441     inline _Expr<_BinClos<__##_Fun, _Expr, _Expr, _Dom1, _Dom2>,       \
00442          typename _Dom1::value_type>                           \
00443     _Fun(const _Expr<_Dom1, typename _Dom1::value_type>& __e1,         \
00444       const _Expr<_Dom2, typename _Dom2::value_type>& __e2)        \
00445     {                                                                  \
00446       typedef typename _Dom1::value_type _Tp;                          \
00447       typedef _BinClos<__##_Fun, _Expr, _Expr, _Dom1, _Dom2> _Closure; \
00448       return _Expr<_Closure, _Tp>(_Closure(__e1(), __e2()));           \
00449     }                                                                  \
00450                                                                        \
00451   template<class _Dom>                                                 \
00452     inline _Expr<_BinClos<__##_Fun, _Expr, _ValArray, _Dom,            \
00453               typename _Dom::value_type>,                  \
00454          typename _Dom::value_type>                            \
00455     _Fun(const _Expr<_Dom, typename _Dom::value_type>& __e,            \
00456      const valarray<typename _Dom::value_type>& __v)               \
00457     {                                                                  \
00458       typedef typename _Dom::value_type _Tp;                           \
00459       typedef _BinClos<__##_Fun, _Expr, _ValArray, _Dom, _Tp> _Closure; \
00460       return _Expr<_Closure, _Tp>(_Closure(__e(), __v));               \
00461     }                                                                  \
00462                                                                        \
00463   template<class _Dom>                                                 \
00464     inline _Expr<_BinClos<__##_Fun, _ValArray, _Expr,                  \
00465               typename _Dom::value_type, _Dom>,            \
00466          typename _Dom::value_type>                            \
00467     _Fun(const valarray<typename _Dom::valarray>& __v,                 \
00468      const _Expr<_Dom, typename _Dom::value_type>& __e)            \
00469     {                                                                  \
00470       typedef typename _Dom::value_type _Tp;                           \
00471       typedef _BinClos<__##_Fun, _ValArray, _Expr, _Tp, _Dom> _Closure; \
00472       return _Expr<_Closure, _Tp>(_Closure(__v, __e()));               \
00473     }                                                                  \
00474                                                                        \
00475   template<class _Dom>                                                 \
00476     inline _Expr<_BinClos<__##_Fun, _Expr, _Constant, _Dom,            \
00477               typename _Dom::value_type>,                  \
00478          typename _Dom::value_type>                            \
00479     _Fun(const _Expr<_Dom, typename _Dom::value_type>& __e,            \
00480      const typename _Dom::value_type& __t)                         \
00481     {                                                                  \
00482       typedef typename _Dom::value_type _Tp;                           \
00483       typedef _BinClos<__##_Fun, _Expr, _Constant, _Dom, _Tp> _Closure;\
00484       return _Expr<_Closure, _Tp>(_Closure(__e(), __t));               \
00485     }                                                                  \
00486                                                                        \
00487   template<class _Dom>                                                 \
00488     inline _Expr<_BinClos<__##_Fun, _Constant, _Expr,                  \
00489               typename _Dom::value_type, _Dom>,            \
00490          typename _Dom::value_type>                            \
00491     _Fun(const typename _Dom::value_type& __t,                         \
00492      const _Expr<_Dom, typename _Dom::value_type>& __e)            \
00493     {                                                                  \
00494       typedef typename _Dom::value_type _Tp;                           \
00495       typedef _BinClos<__##_Fun, _Constant, _Expr, _Tp, _Dom> _Closure; \
00496       return _Expr<_Closure, _Tp>(_Closure(__t, __e()));               \
00497     }                                                                  \
00498                                                                        \
00499   template<typename _Tp>                                               \
00500     inline _Expr<_BinClos<__##_Fun, _ValArray, _ValArray, _Tp, _Tp>, _Tp> \
00501     _Fun(const valarray<_Tp>& __v, const valarray<_Tp>& __w)           \
00502     {                                                                  \
00503       typedef _BinClos<__##_Fun, _ValArray, _ValArray, _Tp, _Tp> _Closure; \
00504       return _Expr<_Closure, _Tp>(_Closure(__v, __w));                 \
00505     }                                                                  \
00506                                                                        \
00507   template<typename _Tp>                                               \
00508     inline _Expr<_BinClos<__##_Fun, _ValArray, _Constant, _Tp, _Tp>, _Tp> \
00509     _Fun(const valarray<_Tp>& __v, const _Tp& __t)                     \
00510     {                                                                  \
00511       typedef _BinClos<__##_Fun, _ValArray, _Constant, _Tp, _Tp> _Closure; \
00512       return _Expr<_Closure, _Tp>(_Closure(__v, __t));                 \
00513     }                                                                  \
00514                                        \
00515   template<typename _Tp>                                               \
00516     inline _Expr<_BinClos<__##_Fun, _Constant, _ValArray, _Tp, _Tp>, _Tp> \
00517     _Fun(const _Tp& __t, const valarray<_Tp>& __v)                     \
00518     {                                                                  \
00519       typedef _BinClos<__##_Fun, _Constant, _ValArray, _Tp, _Tp> _Closure; \
00520       return _Expr<_Closure, _Tp>(_Closure(__t, __v));                 \
00521     }
00522 
00523 _DEFINE_EXPR_BINARY_FUNCTION(atan2)
00524 _DEFINE_EXPR_BINARY_FUNCTION(pow)
00525 
00526 #undef _DEFINE_EXPR_BINARY_FUNCTION
00527 
00528 } // std::
00529 
00530 #endif /* _CPP_VALARRAY_AFTER_H */
00531 
00532 // Local Variables:
00533 // mode:c++
00534 // End:

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