[thirdparty/gcc.git] / libstdc++-v3 / include / bits / valarray_after.h

// The template and inlines for the -*- C++ -*- internal _Meta class.

// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
// 2006, 2007, 2008, 2009, 2010  Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library.  This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.

// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.

// Under Section 7 of GPL version 3, you are granted additional
// permissions described in the GCC Runtime Library Exception, version
// 3.1, as published by the Free Software Foundation.

// You should have received a copy of the GNU General Public License and
// a copy of the GCC Runtime Library Exception along with this program;
// see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
// <http://www.gnu.org/licenses/>.

/** @file bits/valarray_after.h
 *  This is an internal header file, included by other library headers.
 *  Do not attempt to use it directly. @headername{valarray}
 */

// Written by Gabriel Dos Reis <Gabriel.Dos-Reis@cmla.ens-cachan.fr>

#ifndef _VALARRAY_AFTER_H
#define _VALARRAY_AFTER_H 1

#pragma GCC system_header

_GLIBCXX_BEGIN_NAMESPACE(std)

  //
  // gslice_array closure.
  //
  template<class _Dom>
    class _GBase
    {
    public:
      typedef typename _Dom::value_type value_type;
      
      _GBase (const _Dom& __e, const valarray<size_t>& __i)
      : _M_expr (__e), _M_index(__i) {}
      
      value_type
      operator[] (size_t __i) const
      { return _M_expr[_M_index[__i]]; }
      
      size_t
      size () const
      { return _M_index.size(); }

    private:
      const _Dom&	      _M_expr;
      const valarray<size_t>& _M_index;
    };

  template<typename _Tp>
    class _GBase<_Array<_Tp> >
    {
    public:
      typedef _Tp value_type;
      
      _GBase (_Array<_Tp> __a, const valarray<size_t>& __i)
      : _M_array (__a), _M_index(__i) {}
      
      value_type
      operator[] (size_t __i) const
      { return _M_array._M_data[_M_index[__i]]; }
      
      size_t
      size () const
      { return _M_index.size(); }

    private:
      const _Array<_Tp>       _M_array;
      const valarray<size_t>& _M_index;
    };

  template<class _Dom>
    struct _GClos<_Expr, _Dom>
    : _GBase<_Dom>
    {
      typedef _GBase<_Dom> _Base;
      typedef typename _Base::value_type value_type;
      
      _GClos (const _Dom& __e, const valarray<size_t>& __i)
      : _Base (__e, __i) {}
    };

  template<typename _Tp>
    struct _GClos<_ValArray, _Tp>
    : _GBase<_Array<_Tp> >
    {
      typedef _GBase<_Array<_Tp> > _Base;
      typedef typename _Base::value_type value_type;
      
      _GClos (_Array<_Tp> __a, const valarray<size_t>& __i)
      : _Base (__a, __i) {}
    };

  //
  // indirect_array closure
  //
  template<class _Dom>
    class _IBase
    {
    public:
      typedef typename _Dom::value_type value_type;

      _IBase (const _Dom& __e, const valarray<size_t>& __i)
      : _M_expr (__e), _M_index (__i) {}
      
      value_type
      operator[] (size_t __i) const
      { return _M_expr[_M_index[__i]]; }
      
      size_t
      size() const
      { return _M_index.size(); }

    private:
      const _Dom&	      _M_expr;
      const valarray<size_t>& _M_index;
    };

  template<class _Dom>
    struct _IClos<_Expr, _Dom>
    : _IBase<_Dom>
    {
      typedef _IBase<_Dom> _Base;
      typedef typename _Base::value_type value_type;
      
      _IClos (const _Dom& __e, const valarray<size_t>& __i)
      : _Base (__e, __i) {}
    };

  template<typename _Tp>
    struct _IClos<_ValArray, _Tp>
    : _IBase<valarray<_Tp> >
    {
      typedef _IBase<valarray<_Tp> > _Base;
      typedef _Tp value_type;
      
      _IClos (const valarray<_Tp>& __a, const valarray<size_t>& __i)
      : _Base (__a, __i) {}
    };
  
  //
  // class _Expr
  //
  template<class _Clos, typename _Tp>
    class _Expr
    {
    public:
      typedef _Tp value_type;

      _Expr(const _Clos&);

      const _Clos& operator()() const;

      value_type operator[](size_t) const;
      valarray<value_type> operator[](slice) const;
      valarray<value_type> operator[](const gslice&) const;
      valarray<value_type> operator[](const valarray<bool>&) const;
      valarray<value_type> operator[](const valarray<size_t>&) const;

      _Expr<_UnClos<__unary_plus, std::_Expr, _Clos>, value_type>
      operator+() const;

      _Expr<_UnClos<__negate, std::_Expr, _Clos>, value_type>
      operator-() const;

      _Expr<_UnClos<__bitwise_not, std::_Expr, _Clos>, value_type>
      operator~() const;

      _Expr<_UnClos<__logical_not, std::_Expr, _Clos>, bool>
      operator!() const;

      size_t size() const;
      value_type sum() const;

      valarray<value_type> shift(int) const;
      valarray<value_type> cshift(int) const;

      value_type min() const;
      value_type max() const;

      valarray<value_type> apply(value_type (*)(const value_type&)) const;
      valarray<value_type> apply(value_type (*)(value_type)) const;

    private:
      const _Clos _M_closure;
    };

  template<class _Clos, typename _Tp>
    inline
    _Expr<_Clos, _Tp>::_Expr(const _Clos& __c) : _M_closure(__c) {}

  template<class _Clos, typename _Tp>
    inline const _Clos&
    _Expr<_Clos, _Tp>::operator()() const
    { return _M_closure; }

  template<class _Clos, typename _Tp>
    inline _Tp
    _Expr<_Clos, _Tp>::operator[](size_t __i) const
    { return _M_closure[__i]; }

  template<class _Clos, typename _Tp>
    inline valarray<_Tp>
    _Expr<_Clos, _Tp>::operator[](slice __s) const
    {
      valarray<_Tp> __v = valarray<_Tp>(*this)[__s];
      return __v;
    }

  template<class _Clos, typename _Tp>
    inline valarray<_Tp>
    _Expr<_Clos, _Tp>::operator[](const gslice& __gs) const
    {
      valarray<_Tp> __v = valarray<_Tp>(*this)[__gs];
      return __v;
    }

  template<class _Clos, typename _Tp>
    inline valarray<_Tp>
    _Expr<_Clos, _Tp>::operator[](const valarray<bool>& __m) const
    {
      valarray<_Tp> __v = valarray<_Tp>(*this)[__m];
      return __v;
    }

  template<class _Clos, typename _Tp>
    inline valarray<_Tp>
    _Expr<_Clos, _Tp>::operator[](const valarray<size_t>& __i) const
    {
      valarray<_Tp> __v = valarray<_Tp>(*this)[__i];
      return __v;
    }

  template<class _Clos, typename _Tp>
    inline size_t
    _Expr<_Clos, _Tp>::size() const
    { return _M_closure.size(); }

  template<class _Clos, typename _Tp>
    inline valarray<_Tp>
    _Expr<_Clos, _Tp>::shift(int __n) const
    {
      valarray<_Tp> __v = valarray<_Tp>(*this).shift(__n);
      return __v;
    }

  template<class _Clos, typename _Tp>
    inline valarray<_Tp>
    _Expr<_Clos, _Tp>::cshift(int __n) const
    {
      valarray<_Tp> __v = valarray<_Tp>(*this).cshift(__n);
      return __v;
    }

  template<class _Clos, typename _Tp>
    inline valarray<_Tp>
    _Expr<_Clos, _Tp>::apply(_Tp __f(const _Tp&)) const
    {
      valarray<_Tp> __v = valarray<_Tp>(*this).apply(__f);
      return __v;
    }

  template<class _Clos, typename _Tp>
    inline valarray<_Tp>
    _Expr<_Clos, _Tp>::apply(_Tp __f(_Tp)) const
    {
      valarray<_Tp> __v = valarray<_Tp>(*this).apply(__f);
      return __v;
    }

  // XXX: replace this with a more robust summation algorithm.
  template<class _Clos, typename _Tp>
    inline _Tp
    _Expr<_Clos, _Tp>::sum() const
    {
      size_t __n = _M_closure.size();
      if (__n == 0)
	return _Tp();
      else
	{
	  _Tp __s = _M_closure[--__n];
	  while (__n != 0)
	    __s += _M_closure[--__n];
	  return __s;
        }
    }

  template<class _Clos, typename _Tp>
    inline _Tp
    _Expr<_Clos, _Tp>::min() const
    { return __valarray_min(_M_closure); }

  template<class _Clos, typename _Tp>
    inline _Tp
    _Expr<_Clos, _Tp>::max() const
    { return __valarray_max(_M_closure); }

  template<class _Dom, typename _Tp>
    inline _Expr<_UnClos<__logical_not, _Expr, _Dom>, bool>
    _Expr<_Dom, _Tp>::operator!() const
    {
      typedef _UnClos<__logical_not, std::_Expr, _Dom> _Closure;
      return _Expr<_Closure, bool>(_Closure(this->_M_closure));
    }

#define _DEFINE_EXPR_UNARY_OPERATOR(_Op, _Name)                           \
  template<class _Dom, typename _Tp>                                      \
    inline _Expr<_UnClos<_Name, std::_Expr, _Dom>, _Tp>                   \
    _Expr<_Dom, _Tp>::operator _Op() const                                \
    {                                                                     \
      typedef _UnClos<_Name, std::_Expr, _Dom> _Closure;                  \
      return _Expr<_Closure, _Tp>(_Closure(this->_M_closure));            \
    }

    _DEFINE_EXPR_UNARY_OPERATOR(+, __unary_plus)
    _DEFINE_EXPR_UNARY_OPERATOR(-, __negate)
    _DEFINE_EXPR_UNARY_OPERATOR(~, __bitwise_not)

#undef _DEFINE_EXPR_UNARY_OPERATOR

#define _DEFINE_EXPR_BINARY_OPERATOR(_Op, _Name)                        \
  template<class _Dom1, class _Dom2>					\
    inline _Expr<_BinClos<_Name, _Expr, _Expr, _Dom1, _Dom2>,           \
           typename __fun<_Name, typename _Dom1::value_type>::result_type> \
    operator _Op(const _Expr<_Dom1, typename _Dom1::value_type>& __v,   \
	         const _Expr<_Dom2, typename _Dom2::value_type>& __w)   \
    {                                                                   \
      typedef typename _Dom1::value_type _Arg;                          \
      typedef typename __fun<_Name, _Arg>::result_type _Value;          \
      typedef _BinClos<_Name, _Expr, _Expr, _Dom1, _Dom2> _Closure;     \
      return _Expr<_Closure, _Value>(_Closure(__v(), __w()));           \
    }                                                                   \
                                                                        \
  template<class _Dom>                                                  \
    inline _Expr<_BinClos<_Name, _Expr, _Constant, _Dom,                \
                          typename _Dom::value_type>,                   \
             typename __fun<_Name, typename _Dom::value_type>::result_type> \
    operator _Op(const _Expr<_Dom, typename _Dom::value_type>& __v,     \
                 const typename _Dom::value_type& __t)                  \
    {                                                                   \
      typedef typename _Dom::value_type _Arg;                           \
      typedef typename __fun<_Name, _Arg>::result_type _Value;          \
      typedef _BinClos<_Name, _Expr, _Constant, _Dom, _Arg> _Closure;   \
      return _Expr<_Closure, _Value>(_Closure(__v(), __t));             \
    }                                                                   \
                                                                        \
  template<class _Dom>                                                  \
    inline _Expr<_BinClos<_Name, _Constant, _Expr,                      \
                          typename _Dom::value_type, _Dom>,             \
             typename __fun<_Name, typename _Dom::value_type>::result_type> \
    operator _Op(const typename _Dom::value_type& __t,                  \
                 const _Expr<_Dom, typename _Dom::value_type>& __v)     \
    {                                                                   \
      typedef typename _Dom::value_type _Arg;                           \
      typedef typename __fun<_Name, _Arg>::result_type _Value;          \
      typedef _BinClos<_Name, _Constant, _Expr, _Arg, _Dom> _Closure;   \
      return _Expr<_Closure, _Value>(_Closure(__t, __v()));             \
    }                                                                   \
                                                                        \
  template<class _Dom>                                                  \
    inline _Expr<_BinClos<_Name, _Expr, _ValArray,                      \
                          _Dom, typename _Dom::value_type>,             \
             typename __fun<_Name, typename _Dom::value_type>::result_type> \
    operator _Op(const _Expr<_Dom,typename _Dom::value_type>& __e,      \
                 const valarray<typename _Dom::value_type>& __v)        \
    {                                                                   \
      typedef typename _Dom::value_type _Arg;                           \
      typedef typename __fun<_Name, _Arg>::result_type _Value;          \
      typedef _BinClos<_Name, _Expr, _ValArray, _Dom, _Arg> _Closure;   \
      return _Expr<_Closure, _Value>(_Closure(__e(), __v));             \
    }                                                                   \
                                                                        \
  template<class _Dom>                                                  \
    inline _Expr<_BinClos<_Name, _ValArray, _Expr,                      \
                 typename _Dom::value_type, _Dom>,                      \
             typename __fun<_Name, typename _Dom::value_type>::result_type> \
    operator _Op(const valarray<typename _Dom::value_type>& __v,        \
                 const _Expr<_Dom, typename _Dom::value_type>& __e)     \
    {                                                                   \
      typedef typename _Dom::value_type _Tp;                            \
      typedef typename __fun<_Name, _Tp>::result_type _Value;           \
      typedef _BinClos<_Name, _ValArray, _Expr, _Tp, _Dom> _Closure;    \
      return _Expr<_Closure, _Value>(_Closure(__v, __e ()));            \
    }

    _DEFINE_EXPR_BINARY_OPERATOR(+, __plus)
    _DEFINE_EXPR_BINARY_OPERATOR(-, __minus)
    _DEFINE_EXPR_BINARY_OPERATOR(*, __multiplies)
    _DEFINE_EXPR_BINARY_OPERATOR(/, __divides)
    _DEFINE_EXPR_BINARY_OPERATOR(%, __modulus)
    _DEFINE_EXPR_BINARY_OPERATOR(^, __bitwise_xor)
    _DEFINE_EXPR_BINARY_OPERATOR(&, __bitwise_and)
    _DEFINE_EXPR_BINARY_OPERATOR(|, __bitwise_or)
    _DEFINE_EXPR_BINARY_OPERATOR(<<, __shift_left)
    _DEFINE_EXPR_BINARY_OPERATOR(>>, __shift_right)
    _DEFINE_EXPR_BINARY_OPERATOR(&&, __logical_and)
    _DEFINE_EXPR_BINARY_OPERATOR(||, __logical_or)
    _DEFINE_EXPR_BINARY_OPERATOR(==, __equal_to)
    _DEFINE_EXPR_BINARY_OPERATOR(!=, __not_equal_to)
    _DEFINE_EXPR_BINARY_OPERATOR(<, __less)
    _DEFINE_EXPR_BINARY_OPERATOR(>, __greater)
    _DEFINE_EXPR_BINARY_OPERATOR(<=, __less_equal)
    _DEFINE_EXPR_BINARY_OPERATOR(>=, __greater_equal)

#undef _DEFINE_EXPR_BINARY_OPERATOR

#define _DEFINE_EXPR_UNARY_FUNCTION(_Name, _UName)                       \
  template<class _Dom>                                                   \
    inline _Expr<_UnClos<_UName, _Expr, _Dom>,                           \
                 typename _Dom::value_type>                              \
    _Name(const _Expr<_Dom, typename _Dom::value_type>& __e)             \
    {                                                                    \
      typedef typename _Dom::value_type _Tp;                             \
      typedef _UnClos<_UName, _Expr, _Dom> _Closure;                     \
      return _Expr<_Closure, _Tp>(_Closure(__e()));                      \
    }                                                                    \
                                                                         \
  template<typename _Tp>                                                 \
    inline _Expr<_UnClos<_UName, _ValArray, _Tp>, _Tp>                   \
    _Name(const valarray<_Tp>& __v)                                      \
    {                                                                    \
      typedef _UnClos<_UName, _ValArray, _Tp> _Closure;                  \
      return _Expr<_Closure, _Tp>(_Closure(__v));                        \
    }

    _DEFINE_EXPR_UNARY_FUNCTION(abs, _Abs)
    _DEFINE_EXPR_UNARY_FUNCTION(cos, _Cos)
    _DEFINE_EXPR_UNARY_FUNCTION(acos, _Acos)
    _DEFINE_EXPR_UNARY_FUNCTION(cosh, _Cosh)
    _DEFINE_EXPR_UNARY_FUNCTION(sin, _Sin)
    _DEFINE_EXPR_UNARY_FUNCTION(asin, _Asin)
    _DEFINE_EXPR_UNARY_FUNCTION(sinh, _Sinh)
    _DEFINE_EXPR_UNARY_FUNCTION(tan, _Tan)
    _DEFINE_EXPR_UNARY_FUNCTION(tanh, _Tanh)
    _DEFINE_EXPR_UNARY_FUNCTION(atan, _Atan)
    _DEFINE_EXPR_UNARY_FUNCTION(exp, _Exp)
    _DEFINE_EXPR_UNARY_FUNCTION(log, _Log)
    _DEFINE_EXPR_UNARY_FUNCTION(log10, _Log10)
    _DEFINE_EXPR_UNARY_FUNCTION(sqrt, _Sqrt)

#undef _DEFINE_EXPR_UNARY_FUNCTION

#define _DEFINE_EXPR_BINARY_FUNCTION(_Fun, _UFun)		       \
  template<class _Dom1, class _Dom2>                                   \
    inline _Expr<_BinClos<_UFun, _Expr, _Expr, _Dom1, _Dom2>,          \
		 typename _Dom1::value_type>                           \
    _Fun(const _Expr<_Dom1, typename _Dom1::value_type>& __e1,         \
	 const _Expr<_Dom2, typename _Dom2::value_type>& __e2)	       \
    {                                                                  \
      typedef typename _Dom1::value_type _Tp;                          \
      typedef _BinClos<_UFun, _Expr, _Expr, _Dom1, _Dom2> _Closure;    \
      return _Expr<_Closure, _Tp>(_Closure(__e1(), __e2()));           \
    }                                                                  \
                                                                       \
  template<class _Dom>                                                 \
    inline _Expr<_BinClos<_UFun, _Expr, _ValArray, _Dom,               \
			  typename _Dom::value_type>,                  \
		 typename _Dom::value_type>                            \
    _Fun(const _Expr<_Dom, typename _Dom::value_type>& __e,            \
	 const valarray<typename _Dom::value_type>& __v)               \
    {                                                                  \
      typedef typename _Dom::value_type _Tp;                           \
      typedef _BinClos<_UFun, _Expr, _ValArray, _Dom, _Tp> _Closure;   \
      return _Expr<_Closure, _Tp>(_Closure(__e(), __v));               \
    }                                                                  \
                                                                       \
  template<class _Dom>                                                 \
    inline _Expr<_BinClos<_UFun, _ValArray, _Expr,                     \
			  typename _Dom::value_type, _Dom>,            \
		 typename _Dom::value_type>                            \
    _Fun(const valarray<typename _Dom::valarray>& __v,                 \
	 const _Expr<_Dom, typename _Dom::value_type>& __e)            \
    {                                                                  \
      typedef typename _Dom::value_type _Tp;                           \
      typedef _BinClos<_UFun, _ValArray, _Expr, _Tp, _Dom> _Closure;   \
      return _Expr<_Closure, _Tp>(_Closure(__v, __e()));               \
    }                                                                  \
                                                                       \
  template<class _Dom>                                                 \
    inline _Expr<_BinClos<_UFun, _Expr, _Constant, _Dom,               \
			  typename _Dom::value_type>,                  \
		 typename _Dom::value_type>                            \
    _Fun(const _Expr<_Dom, typename _Dom::value_type>& __e,            \
	 const typename _Dom::value_type& __t)                         \
    {                                                                  \
      typedef typename _Dom::value_type _Tp;                           \
      typedef _BinClos<_UFun, _Expr, _Constant, _Dom, _Tp> _Closure;   \
      return _Expr<_Closure, _Tp>(_Closure(__e(), __t));               \
    }                                                                  \
                                                                       \
  template<class _Dom>                                                 \
    inline _Expr<_BinClos<_UFun, _Constant, _Expr,                     \
			  typename _Dom::value_type, _Dom>,            \
		 typename _Dom::value_type>                            \
    _Fun(const typename _Dom::value_type& __t,                         \
	 const _Expr<_Dom, typename _Dom::value_type>& __e)            \
    {                                                                  \
      typedef typename _Dom::value_type _Tp;                           \
      typedef _BinClos<_UFun, _Constant, _Expr, _Tp, _Dom> _Closure;   \
      return _Expr<_Closure, _Tp>(_Closure(__t, __e()));               \
    }                                                                  \
                                                                       \
  template<typename _Tp>                                               \
    inline _Expr<_BinClos<_UFun, _ValArray, _ValArray, _Tp, _Tp>, _Tp> \
    _Fun(const valarray<_Tp>& __v, const valarray<_Tp>& __w)           \
    {                                                                  \
      typedef _BinClos<_UFun, _ValArray, _ValArray, _Tp, _Tp> _Closure;\
      return _Expr<_Closure, _Tp>(_Closure(__v, __w));                 \
    }                                                                  \
                                                                       \
  template<typename _Tp>                                               \
    inline _Expr<_BinClos<_UFun, _ValArray, _Constant, _Tp, _Tp>, _Tp> \
    _Fun(const valarray<_Tp>& __v, const _Tp& __t)                     \
    {                                                                  \
      typedef _BinClos<_UFun, _ValArray, _Constant, _Tp, _Tp> _Closure;\
      return _Expr<_Closure, _Tp>(_Closure(__v, __t));                 \
    }                                                                  \
								       \
  template<typename _Tp>                                               \
    inline _Expr<_BinClos<_UFun, _Constant, _ValArray, _Tp, _Tp>, _Tp> \
    _Fun(const _Tp& __t, const valarray<_Tp>& __v)                     \
    {                                                                  \
      typedef _BinClos<_UFun, _Constant, _ValArray, _Tp, _Tp> _Closure;\
      return _Expr<_Closure, _Tp>(_Closure(__t, __v));                 \
    }

_DEFINE_EXPR_BINARY_FUNCTION(atan2, _Atan2)
_DEFINE_EXPR_BINARY_FUNCTION(pow, _Pow)

#undef _DEFINE_EXPR_BINARY_FUNCTION

_GLIBCXX_END_NAMESPACE

#endif /* _CPP_VALARRAY_AFTER_H */
Commit	Line	Data
725dc051 BK	1	// The template and inlines for the -- C++ -- internal _Meta class.
725dc051 BK	2
748086b7	3	// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
54f38225	4	// 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
725dc051 BK	5	//
	6	// This file is part of the GNU ISO C++ Library. This library is free
	7	// software; you can redistribute it and/or modify it under the
	8	// terms of the GNU General Public License as published by the
748086b7	9	// Free Software Foundation; either version 3, or (at your option)
725dc051 BK	10	// any later version.
	11
	12	// This library is distributed in the hope that it will be useful,
	13	// but WITHOUT ANY WARRANTY; without even the implied warranty of
	14	// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	15	// GNU General Public License for more details.
	16
748086b7 JJ	17	// Under Section 7 of GPL version 3, you are granted additional
	18	// permissions described in the GCC Runtime Library Exception, version
	19	// 3.1, as published by the Free Software Foundation.
725dc051	20
748086b7 JJ	21	// You should have received a copy of the GNU General Public License and
	22	// a copy of the GCC Runtime Library Exception along with this program;
	23	// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
	24	// <http://www.gnu.org/licenses/>.
725dc051	25
f910786b	26	/** @file bits/valarray_after.h
729e3d3f	27	* This is an internal header file, included by other library headers.
f910786b	28	* Do not attempt to use it directly. @headername{valarray}
729e3d3f PE	29	*/
729e3d3f PE	30
143c27b0 BK	31	// Written by Gabriel Dos Reis <Gabriel.Dos-Reis@cmla.ens-cachan.fr>
143c27b0 BK	32
3d7c150e BK	33	#ifndef _VALARRAY_AFTER_H
3d7c150e BK	34	#define _VALARRAY_AFTER_H 1
725dc051	35
b0a85b86 GDR	36	#pragma GCC system_header
b0a85b86 GDR	37
3cbc7af0 BK	38	_GLIBCXX_BEGIN_NAMESPACE(std)
3cbc7af0 BK	39
b714a419 PC	40	//
	41	// gslice_array closure.
	42	//
	43	template<class _Dom>
	44	class _GBase
	45	{
725dc051	46	public:
b714a419 PC	47	typedef typename _Dom::value_type value_type;
	48
	49	_GBase (const _Dom& __e, const valarray<size_t>& __i)
	50	: _M_expr (__e), _M_index(__i) {}
	51
	52	value_type
	53	operator[] (size_t __i) const
	54	{ return _M_expr[_M_index[__i]]; }
	55
	56	size_t
	57	size () const
	58	{ return _M_index.size(); }
ed6814f7	59
725dc051	60	private:
b714a419 PC	61	const _Dom& _M_expr;
b714a419 PC	62	const valarray<size_t>& _M_index;
725dc051	63	};
ed6814f7	64
b714a419 PC	65	template<typename _Tp>
	66	class _GBase<_Array<_Tp> >
	67	{
725dc051	68	public:
b714a419 PC	69	typedef _Tp value_type;
	70
	71	_GBase (_Array<_Tp> __a, const valarray<size_t>& __i)
	72	: _M_array (__a), _M_index(__i) {}
	73
	74	value_type
	75	operator[] (size_t __i) const
	76	{ return _M_array._M_data[_M_index[__i]]; }
	77
	78	size_t
	79	size () const
	80	{ return _M_index.size(); }
ed6814f7	81
725dc051	82	private:
b714a419 PC	83	const _Array<_Tp> _M_array;
b714a419 PC	84	const valarray<size_t>& _M_index;
725dc051 BK	85	};
725dc051 BK	86
b714a419 PC	87	template<class _Dom>
	88	struct _GClos<_Expr, _Dom>
	89	: _GBase<_Dom>
	90	{
	91	typedef _GBase<_Dom> _Base;
	92	typedef typename _Base::value_type value_type;
	93
	94	_GClos (const _Dom& __e, const valarray<size_t>& __i)
	95	: _Base (__e, __i) {}
725dc051 BK	96	};
725dc051 BK	97
b714a419 PC	98	template<typename _Tp>
	99	struct _GClos<_ValArray, _Tp>
	100	: _GBase<_Array<_Tp> >
	101	{
	102	typedef _GBase<_Array<_Tp> > _Base;
	103	typedef typename _Base::value_type value_type;
	104
	105	_GClos (_Array<_Tp> __a, const valarray<size_t>& __i)
	106	: _Base (__a, __i) {}
725dc051 BK	107	};
725dc051 BK	108
b714a419 PC	109	//
	110	// indirect_array closure
	111	//
	112	template<class _Dom>
	113	class _IBase
	114	{
725dc051	115	public:
b714a419	116	typedef typename _Dom::value_type value_type;
725dc051	117
b714a419 PC	118	_IBase (const _Dom& __e, const valarray<size_t>& __i)
	119	: _M_expr (__e), _M_index (__i) {}
	120
	121	value_type
	122	operator[] (size_t __i) const
	123	{ return _M_expr[_M_index[__i]]; }
	124
82cb2574 PC	125	size_t
	126	size() const
	127	{ return _M_index.size(); }
ed6814f7	128
725dc051	129	private:
b714a419 PC	130	const _Dom& _M_expr;
b714a419 PC	131	const valarray<size_t>& _M_index;
725dc051 BK	132	};
725dc051 BK	133
b714a419 PC	134	template<class _Dom>
	135	struct _IClos<_Expr, _Dom>
	136	: _IBase<_Dom>
	137	{
	138	typedef _IBase<_Dom> _Base;
	139	typedef typename _Base::value_type value_type;
	140
	141	_IClos (const _Dom& __e, const valarray<size_t>& __i)
	142	: _Base (__e, __i) {}
725dc051 BK	143	};
725dc051 BK	144
b714a419 PC	145	template<typename _Tp>
	146	struct _IClos<_ValArray, _Tp>
	147	: _IBase<valarray<_Tp> >
	148	{
	149	typedef _IBase<valarray<_Tp> > _Base;
	150	typedef _Tp value_type;
	151
	152	_IClos (const valarray<_Tp>& __a, const valarray<size_t>& __i)
	153	: _Base (__a, __i) {}
725dc051	154	};
b714a419	155
74d6b8ca GDR	156	//
74d6b8ca GDR	157	// class _Expr
ed6814f7 BI	158	//
ed6814f7 BI	159	template<class _Clos, typename _Tp>
74d6b8ca GDR	160	class _Expr
74d6b8ca GDR	161	{
725dc051	162	public:
74d6b8ca	163	typedef _Tp value_type;
ed6814f7	164
74d6b8ca	165	_Expr(const _Clos&);
ed6814f7	166
74d6b8ca	167	const _Clos& operator()() const;
ed6814f7	168
74d6b8ca GDR	169	value_type operator[](size_t) const;
	170	valarray<value_type> operator[](slice) const;
	171	valarray<value_type> operator[](const gslice&) const;
	172	valarray<value_type> operator[](const valarray<bool>&) const;
	173	valarray<value_type> operator[](const valarray<size_t>&) const;
ed6814f7	174
b714a419 PC	175	_Expr<_UnClos<__unary_plus, std::_Expr, _Clos>, value_type>
b714a419 PC	176	operator+() const;
725dc051	177
b714a419 PC	178	_Expr<_UnClos<__negate, std::_Expr, _Clos>, value_type>
b714a419 PC	179	operator-() const;
725dc051	180
b714a419 PC	181	_Expr<_UnClos<__bitwise_not, std::_Expr, _Clos>, value_type>
b714a419 PC	182	operator~() const;
725dc051	183
b714a419 PC	184	_Expr<_UnClos<__logical_not, std::_Expr, _Clos>, bool>
b714a419 PC	185	operator!() const;
725dc051	186
74d6b8ca GDR	187	size_t size() const;
74d6b8ca GDR	188	value_type sum() const;
ed6814f7	189
74d6b8ca GDR	190	valarray<value_type> shift(int) const;
74d6b8ca GDR	191	valarray<value_type> cshift(int) const;
725dc051 BK	192
	193	value_type min() const;
	194	value_type max() const;
	195
74d6b8ca GDR	196	valarray<value_type> apply(value_type (*)(const value_type&)) const;
74d6b8ca GDR	197	valarray<value_type> apply(value_type (*)(value_type)) const;
ed6814f7	198
725dc051	199	private:
74d6b8ca	200	const _Clos _M_closure;
725dc051	201	};
ed6814f7	202
74d6b8ca	203	template<class _Clos, typename _Tp>
725dc051	204	inline
b714a419	205	_Expr<_Clos, _Tp>::_Expr(const _Clos& __c) : _M_closure(__c) {}
ed6814f7	206
74d6b8ca	207	template<class _Clos, typename _Tp>
725dc051	208	inline const _Clos&
b714a419	209	_Expr<_Clos, _Tp>::operator()() const
725dc051 BK	210	{ return _M_closure; }
725dc051 BK	211
74d6b8ca	212	template<class _Clos, typename _Tp>
725dc051	213	inline _Tp
b714a419	214	_Expr<_Clos, _Tp>::operator[](size_t __i) const
725dc051 BK	215	{ return _M_closure[__i]; }
725dc051 BK	216
74d6b8ca	217	template<class _Clos, typename _Tp>
725dc051	218	inline valarray<_Tp>
b714a419	219	_Expr<_Clos, _Tp>::operator[](slice __s) const
ad816b52 GDR	220	{
	221	valarray<_Tp> __v = valarray<_Tp>(*this)[__s];
	222	return __v;
	223	}
ed6814f7	224
74d6b8ca	225	template<class _Clos, typename _Tp>
725dc051	226	inline valarray<_Tp>
b714a419	227	_Expr<_Clos, _Tp>::operator[](const gslice& __gs) const
ad816b52 GDR	228	{
	229	valarray<_Tp> __v = valarray<_Tp>(*this)[__gs];
	230	return __v;
	231	}
ed6814f7	232
74d6b8ca	233	template<class _Clos, typename _Tp>
725dc051	234	inline valarray<_Tp>
b714a419	235	_Expr<_Clos, _Tp>::operator[](const valarray<bool>& __m) const
ad816b52 GDR	236	{
	237	valarray<_Tp> __v = valarray<_Tp>(*this)[__m];
	238	return __v;
	239	}
ed6814f7	240
74d6b8ca	241	template<class _Clos, typename _Tp>
725dc051	242	inline valarray<_Tp>
b714a419	243	_Expr<_Clos, _Tp>::operator[](const valarray<size_t>& __i) const
ad816b52 GDR	244	{
	245	valarray<_Tp> __v = valarray<_Tp>(*this)[__i];
	246	return __v;
	247	}
ed6814f7	248
74d6b8ca	249	template<class _Clos, typename _Tp>
725dc051	250	inline size_t
b714a419	251	_Expr<_Clos, _Tp>::size() const
ad816b52	252	{ return _M_closure.size(); }
725dc051 BK	253
725dc051 BK	254	template<class _Clos, typename _Tp>
74d6b8ca GDR	255	inline valarray<_Tp>
74d6b8ca GDR	256	_Expr<_Clos, _Tp>::shift(int __n) const
ad816b52 GDR	257	{
	258	valarray<_Tp> __v = valarray<_Tp>(*this).shift(__n);
	259	return __v;
	260	}
725dc051 BK	261
725dc051 BK	262	template<class _Clos, typename _Tp>
74d6b8ca GDR	263	inline valarray<_Tp>
74d6b8ca GDR	264	_Expr<_Clos, _Tp>::cshift(int __n) const
ad816b52 GDR	265	{
	266	valarray<_Tp> __v = valarray<_Tp>(*this).cshift(__n);
	267	return __v;
	268	}
725dc051 BK	269
725dc051 BK	270	template<class _Clos, typename _Tp>
74d6b8ca GDR	271	inline valarray<_Tp>
74d6b8ca GDR	272	_Expr<_Clos, _Tp>::apply(_Tp __f(const _Tp&)) const
ad816b52 GDR	273	{
	274	valarray<_Tp> __v = valarray<_Tp>(*this).apply(__f);
	275	return __v;
	276	}
ed6814f7	277
725dc051	278	template<class _Clos, typename _Tp>
74d6b8ca GDR	279	inline valarray<_Tp>
74d6b8ca GDR	280	_Expr<_Clos, _Tp>::apply(_Tp __f(_Tp)) const
ad816b52 GDR	281	{
	282	valarray<_Tp> __v = valarray<_Tp>(*this).apply(__f);
	283	return __v;
	284	}
725dc051	285
74d6b8ca GDR	286	// XXX: replace this with a more robust summation algorithm.
74d6b8ca GDR	287	template<class _Clos, typename _Tp>
725dc051	288	inline _Tp
b714a419	289	_Expr<_Clos, _Tp>::sum() const
725dc051	290	{
74d6b8ca	291	size_t __n = _M_closure.size();
ed6814f7	292	if (__n == 0)
74d6b8ca	293	return _Tp();
ed6814f7	294	else
74d6b8ca GDR	295	{
	296	_Tp __s = _M_closure[--__n];
	297	while (__n != 0)
	298	__s += _M_closure[--__n];
	299	return __s;
725dc051 BK	300	}
	301	}
	302
	303	template<class _Clos, typename _Tp>
74d6b8ca GDR	304	inline _Tp
	305	_Expr<_Clos, _Tp>::min() const
	306	{ return __valarray_min(_M_closure); }
725dc051 BK	307
725dc051 BK	308	template<class _Clos, typename _Tp>
74d6b8ca GDR	309	inline _Tp
	310	_Expr<_Clos, _Tp>::max() const
	311	{ return __valarray_max(_M_closure); }
ed6814f7	312
74d6b8ca	313	template<class _Dom, typename _Tp>
b714a419 PC	314	inline _Expr<_UnClos<__logical_not, _Expr, _Dom>, bool>
b714a419 PC	315	_Expr<_Dom, _Tp>::operator!() const
725dc051	316	{
b714a419	317	typedef _UnClos<__logical_not, std::_Expr, _Dom> _Closure;
23862bec	318	return _Expr<_Closure, bool>(_Closure(this->_M_closure));
725dc051 BK	319	}
725dc051 BK	320
971cfc6f GDR	321	#define _DEFINE_EXPR_UNARY_OPERATOR(_Op, _Name) \
971cfc6f GDR	322	template<class _Dom, typename _Tp> \
b714a419 PC	323	inline _Expr<_UnClos<_Name, std::_Expr, _Dom>, _Tp> \
b714a419 PC	324	_Expr<_Dom, _Tp>::operator _Op() const \
971cfc6f	325	{ \
b714a419 PC	326	typedef _UnClos<_Name, std::_Expr, _Dom> _Closure; \
b714a419 PC	327	return _Expr<_Closure, _Tp>(_Closure(this->_M_closure)); \
971cfc6f	328	}
725dc051	329
74d6b8ca GDR	330	_DEFINE_EXPR_UNARY_OPERATOR(+, __unary_plus)
	331	_DEFINE_EXPR_UNARY_OPERATOR(-, __negate)
	332	_DEFINE_EXPR_UNARY_OPERATOR(~, __bitwise_not)
725dc051 BK	333
	334	#undef _DEFINE_EXPR_UNARY_OPERATOR
	335
725dc051	336	#define _DEFINE_EXPR_BINARY_OPERATOR(_Op, _Name) \
971cfc6f	337	template<class _Dom1, class _Dom2> \
b714a419 PC	338	inline _Expr<_BinClos<_Name, _Expr, _Expr, _Dom1, _Dom2>, \
	339	typename __fun<_Name, typename _Dom1::value_type>::result_type> \
	340	operator _Op(const _Expr<_Dom1, typename _Dom1::value_type>& __v, \
	341	const _Expr<_Dom2, typename _Dom2::value_type>& __w) \
	342	{ \
	343	typedef typename _Dom1::value_type _Arg; \
	344	typedef typename __fun<_Name, _Arg>::result_type _Value; \
	345	typedef _BinClos<_Name, _Expr, _Expr, _Dom1, _Dom2> _Closure; \
	346	return _Expr<_Closure, _Value>(_Closure(__v(), __w())); \
	347	} \
725dc051	348	\
b714a419 PC	349	template<class _Dom> \
	350	inline _Expr<_BinClos<_Name, _Expr, _Constant, _Dom, \
	351	typename _Dom::value_type>, \
	352	typename __fun<_Name, typename _Dom::value_type>::result_type> \
	353	operator _Op(const _Expr<_Dom, typename _Dom::value_type>& __v, \
	354	const typename _Dom::value_type& __t) \
	355	{ \
	356	typedef typename _Dom::value_type _Arg; \
	357	typedef typename __fun<_Name, _Arg>::result_type _Value; \
	358	typedef _BinClos<_Name, _Expr, _Constant, _Dom, _Arg> _Closure; \
	359	return _Expr<_Closure, _Value>(_Closure(__v(), __t)); \
	360	} \
725dc051	361	\
b714a419 PC	362	template<class _Dom> \
	363	inline _Expr<_BinClos<_Name, _Constant, _Expr, \
	364	typename _Dom::value_type, _Dom>, \
	365	typename __fun<_Name, typename _Dom::value_type>::result_type> \
	366	operator _Op(const typename _Dom::value_type& __t, \
	367	const _Expr<_Dom, typename _Dom::value_type>& __v) \
	368	{ \
	369	typedef typename _Dom::value_type _Arg; \
	370	typedef typename __fun<_Name, _Arg>::result_type _Value; \
	371	typedef _BinClos<_Name, _Constant, _Expr, _Arg, _Dom> _Closure; \
	372	return _Expr<_Closure, _Value>(_Closure(__t, __v())); \
	373	} \
725dc051	374	\
b714a419 PC	375	template<class _Dom> \
	376	inline _Expr<_BinClos<_Name, _Expr, _ValArray, \
	377	_Dom, typename _Dom::value_type>, \
	378	typename __fun<_Name, typename _Dom::value_type>::result_type> \
	379	operator _Op(const _Expr<_Dom,typename _Dom::value_type>& __e, \
	380	const valarray<typename _Dom::value_type>& __v) \
	381	{ \
	382	typedef typename _Dom::value_type _Arg; \
	383	typedef typename __fun<_Name, _Arg>::result_type _Value; \
	384	typedef _BinClos<_Name, _Expr, _ValArray, _Dom, _Arg> _Closure; \
	385	return _Expr<_Closure, _Value>(_Closure(__e(), __v)); \
	386	} \
725dc051	387	\
b714a419 PC	388	template<class _Dom> \
	389	inline _Expr<_BinClos<_Name, _ValArray, _Expr, \
	390	typename _Dom::value_type, _Dom>, \
	391	typename __fun<_Name, typename _Dom::value_type>::result_type> \
	392	operator _Op(const valarray<typename _Dom::value_type>& __v, \
	393	const _Expr<_Dom, typename _Dom::value_type>& __e) \
	394	{ \
	395	typedef typename _Dom::value_type _Tp; \
	396	typedef typename __fun<_Name, _Tp>::result_type _Value; \
	397	typedef _BinClos<_Name, _ValArray, _Expr, _Tp, _Dom> _Closure; \
	398	return _Expr<_Closure, _Value>(_Closure(__v, __e ())); \
	399	}
725dc051	400
971cfc6f GDR	401	_DEFINE_EXPR_BINARY_OPERATOR(+, __plus)
	402	_DEFINE_EXPR_BINARY_OPERATOR(-, __minus)
	403	_DEFINE_EXPR_BINARY_OPERATOR(*, __multiplies)
	404	_DEFINE_EXPR_BINARY_OPERATOR(/, __divides)
	405	_DEFINE_EXPR_BINARY_OPERATOR(%, __modulus)
	406	_DEFINE_EXPR_BINARY_OPERATOR(^, __bitwise_xor)
	407	_DEFINE_EXPR_BINARY_OPERATOR(&, __bitwise_and)
	408	_DEFINE_EXPR_BINARY_OPERATOR(\|, __bitwise_or)
	409	_DEFINE_EXPR_BINARY_OPERATOR(<<, __shift_left)
	410	_DEFINE_EXPR_BINARY_OPERATOR(>>, __shift_right)
	411	_DEFINE_EXPR_BINARY_OPERATOR(&&, __logical_and)
	412	_DEFINE_EXPR_BINARY_OPERATOR(\|\|, __logical_or)
	413	_DEFINE_EXPR_BINARY_OPERATOR(==, __equal_to)
	414	_DEFINE_EXPR_BINARY_OPERATOR(!=, __not_equal_to)
	415	_DEFINE_EXPR_BINARY_OPERATOR(<, __less)
	416	_DEFINE_EXPR_BINARY_OPERATOR(>, __greater)
	417	_DEFINE_EXPR_BINARY_OPERATOR(<=, __less_equal)
	418	_DEFINE_EXPR_BINARY_OPERATOR(>=, __greater_equal)
725dc051 BK	419
725dc051 BK	420	#undef _DEFINE_EXPR_BINARY_OPERATOR
725dc051	421
54f38225	422	#define _DEFINE_EXPR_UNARY_FUNCTION(_Name, _UName) \
971cfc6f	423	template<class _Dom> \
54f38225	424	inline _Expr<_UnClos<_UName, _Expr, _Dom>, \
b714a419 PC	425	typename _Dom::value_type> \
b714a419 PC	426	_Name(const _Expr<_Dom, typename _Dom::value_type>& __e) \
971cfc6f GDR	427	{ \
971cfc6f GDR	428	typedef typename _Dom::value_type _Tp; \
54f38225	429	typedef _UnClos<_UName, _Expr, _Dom> _Closure; \
b714a419	430	return _Expr<_Closure, _Tp>(_Closure(__e())); \
971cfc6f GDR	431	} \
	432	\
	433	template<typename _Tp> \
54f38225	434	inline _Expr<_UnClos<_UName, _ValArray, _Tp>, _Tp> \
971cfc6f GDR	435	_Name(const valarray<_Tp>& __v) \
971cfc6f GDR	436	{ \
54f38225	437	typedef _UnClos<_UName, _ValArray, _Tp> _Closure; \
b714a419	438	return _Expr<_Closure, _Tp>(_Closure(__v)); \
971cfc6f	439	}
725dc051	440
54f38225 PC	441	_DEFINE_EXPR_UNARY_FUNCTION(abs, _Abs)
	442	_DEFINE_EXPR_UNARY_FUNCTION(cos, _Cos)
	443	_DEFINE_EXPR_UNARY_FUNCTION(acos, _Acos)
	444	_DEFINE_EXPR_UNARY_FUNCTION(cosh, _Cosh)
	445	_DEFINE_EXPR_UNARY_FUNCTION(sin, _Sin)
	446	_DEFINE_EXPR_UNARY_FUNCTION(asin, _Asin)
	447	_DEFINE_EXPR_UNARY_FUNCTION(sinh, _Sinh)
	448	_DEFINE_EXPR_UNARY_FUNCTION(tan, _Tan)
	449	_DEFINE_EXPR_UNARY_FUNCTION(tanh, _Tanh)
	450	_DEFINE_EXPR_UNARY_FUNCTION(atan, _Atan)
	451	_DEFINE_EXPR_UNARY_FUNCTION(exp, _Exp)
	452	_DEFINE_EXPR_UNARY_FUNCTION(log, _Log)
	453	_DEFINE_EXPR_UNARY_FUNCTION(log10, _Log10)
	454	_DEFINE_EXPR_UNARY_FUNCTION(sqrt, _Sqrt)
725dc051 BK	455
	456	#undef _DEFINE_EXPR_UNARY_FUNCTION
	457
54f38225	458	#define _DEFINE_EXPR_BINARY_FUNCTION(_Fun, _UFun) \
971cfc6f	459	template<class _Dom1, class _Dom2> \
54f38225	460	inline _Expr<_BinClos<_UFun, _Expr, _Expr, _Dom1, _Dom2>, \
971cfc6f	461	typename _Dom1::value_type> \
b714a419	462	_Fun(const _Expr<_Dom1, typename _Dom1::value_type>& __e1, \
54f38225	463	const _Expr<_Dom2, typename _Dom2::value_type>& __e2) \
971cfc6f GDR	464	{ \
971cfc6f GDR	465	typedef typename _Dom1::value_type _Tp; \
54f38225	466	typedef _BinClos<_UFun, _Expr, _Expr, _Dom1, _Dom2> _Closure; \
b714a419	467	return _Expr<_Closure, _Tp>(_Closure(__e1(), __e2())); \
971cfc6f GDR	468	} \
	469	\
	470	template<class _Dom> \
54f38225	471	inline _Expr<_BinClos<_UFun, _Expr, _ValArray, _Dom, \
971cfc6f GDR	472	typename _Dom::value_type>, \
971cfc6f GDR	473	typename _Dom::value_type> \
b714a419	474	_Fun(const _Expr<_Dom, typename _Dom::value_type>& __e, \
971cfc6f GDR	475	const valarray<typename _Dom::value_type>& __v) \
	476	{ \
	477	typedef typename _Dom::value_type _Tp; \
54f38225	478	typedef _BinClos<_UFun, _Expr, _ValArray, _Dom, _Tp> _Closure; \
b714a419	479	return _Expr<_Closure, _Tp>(_Closure(__e(), __v)); \
971cfc6f GDR	480	} \
	481	\
	482	template<class _Dom> \
54f38225	483	inline _Expr<_BinClos<_UFun, _ValArray, _Expr, \
b714a419	484	typename _Dom::value_type, _Dom>, \
971cfc6f GDR	485	typename _Dom::value_type> \
971cfc6f GDR	486	_Fun(const valarray<typename _Dom::valarray>& __v, \
b714a419	487	const _Expr<_Dom, typename _Dom::value_type>& __e) \
971cfc6f GDR	488	{ \
971cfc6f GDR	489	typedef typename _Dom::value_type _Tp; \
54f38225	490	typedef _BinClos<_UFun, _ValArray, _Expr, _Tp, _Dom> _Closure; \
b714a419	491	return _Expr<_Closure, _Tp>(_Closure(__v, __e())); \
971cfc6f GDR	492	} \
	493	\
	494	template<class _Dom> \
54f38225	495	inline _Expr<_BinClos<_UFun, _Expr, _Constant, _Dom, \
971cfc6f GDR	496	typename _Dom::value_type>, \
	497	typename _Dom::value_type> \
	498	_Fun(const _Expr<_Dom, typename _Dom::value_type>& __e, \
	499	const typename _Dom::value_type& __t) \
	500	{ \
	501	typedef typename _Dom::value_type _Tp; \
54f38225	502	typedef _BinClos<_UFun, _Expr, _Constant, _Dom, _Tp> _Closure; \
b714a419	503	return _Expr<_Closure, _Tp>(_Closure(__e(), __t)); \
971cfc6f GDR	504	} \
	505	\
	506	template<class _Dom> \
54f38225	507	inline _Expr<_BinClos<_UFun, _Constant, _Expr, \
b714a419	508	typename _Dom::value_type, _Dom>, \
971cfc6f GDR	509	typename _Dom::value_type> \
971cfc6f GDR	510	_Fun(const typename _Dom::value_type& __t, \
b714a419	511	const _Expr<_Dom, typename _Dom::value_type>& __e) \
971cfc6f GDR	512	{ \
971cfc6f GDR	513	typedef typename _Dom::value_type _Tp; \
54f38225	514	typedef _BinClos<_UFun, _Constant, _Expr, _Tp, _Dom> _Closure; \
b714a419	515	return _Expr<_Closure, _Tp>(_Closure(__t, __e())); \
971cfc6f GDR	516	} \
	517	\
	518	template<typename _Tp> \
54f38225	519	inline _Expr<_BinClos<_UFun, _ValArray, _ValArray, _Tp, _Tp>, _Tp> \
971cfc6f GDR	520	_Fun(const valarray<_Tp>& __v, const valarray<_Tp>& __w) \
971cfc6f GDR	521	{ \
54f38225	522	typedef _BinClos<_UFun, _ValArray, _ValArray, _Tp, _Tp> _Closure;\
b714a419	523	return _Expr<_Closure, _Tp>(_Closure(__v, __w)); \
971cfc6f GDR	524	} \
	525	\
	526	template<typename _Tp> \
54f38225	527	inline _Expr<_BinClos<_UFun, _ValArray, _Constant, _Tp, _Tp>, _Tp> \
971cfc6f GDR	528	_Fun(const valarray<_Tp>& __v, const _Tp& __t) \
971cfc6f GDR	529	{ \
54f38225	530	typedef _BinClos<_UFun, _ValArray, _Constant, _Tp, _Tp> _Closure;\
b714a419	531	return _Expr<_Closure, _Tp>(_Closure(__v, __t)); \
971cfc6f GDR	532	} \
	533	\
	534	template<typename _Tp> \
54f38225	535	inline _Expr<_BinClos<_UFun, _Constant, _ValArray, _Tp, _Tp>, _Tp> \
971cfc6f GDR	536	_Fun(const _Tp& __t, const valarray<_Tp>& __v) \
971cfc6f GDR	537	{ \
54f38225	538	typedef _BinClos<_UFun, _Constant, _ValArray, _Tp, _Tp> _Closure;\
b714a419	539	return _Expr<_Closure, _Tp>(_Closure(__t, __v)); \
971cfc6f	540	}
725dc051	541
54f38225 PC	542	_DEFINE_EXPR_BINARY_FUNCTION(atan2, _Atan2)
54f38225 PC	543	_DEFINE_EXPR_BINARY_FUNCTION(pow, _Pow)
725dc051 BK	544
	545	#undef _DEFINE_EXPR_BINARY_FUNCTION
	546
3cbc7af0	547	_GLIBCXX_END_NAMESPACE
725dc051	548
c13bea50	549	#endif /* _CPP_VALARRAY_AFTER_H */