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Diffstat (limited to 'gcc-4.4.3/libstdc++-v3/include/std/valarray')
| -rw-r--r-- | gcc-4.4.3/libstdc++-v3/include/std/valarray | 1087 |
1 files changed, 0 insertions, 1087 deletions
diff --git a/gcc-4.4.3/libstdc++-v3/include/std/valarray b/gcc-4.4.3/libstdc++-v3/include/std/valarray deleted file mode 100644 index 43e8d205a..000000000 --- a/gcc-4.4.3/libstdc++-v3/include/std/valarray +++ /dev/null @@ -1,1087 +0,0 @@ -// The template and inlines for the -*- C++ -*- valarray class. - -// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, -// 2006, 2007, 2008, 2009 -// 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 valarray - * This is a Standard C++ Library header. - */ - -// Written by Gabriel Dos Reis <Gabriel.Dos-Reis@DPTMaths.ENS-Cachan.Fr> - -#ifndef _GLIBCXX_VALARRAY -#define _GLIBCXX_VALARRAY 1 - -#pragma GCC system_header - -#include <bits/c++config.h> -#include <cstddef> -#include <cmath> -#include <algorithm> -#include <debug/debug.h> -#include <initializer_list> - -_GLIBCXX_BEGIN_NAMESPACE(std) - - template<class _Clos, typename _Tp> - class _Expr; - - template<typename _Tp1, typename _Tp2> - class _ValArray; - - template<class _Oper, template<class, class> class _Meta, class _Dom> - struct _UnClos; - - template<class _Oper, - template<class, class> class _Meta1, - template<class, class> class _Meta2, - class _Dom1, class _Dom2> - class _BinClos; - - template<template<class, class> class _Meta, class _Dom> - class _SClos; - - template<template<class, class> class _Meta, class _Dom> - class _GClos; - - template<template<class, class> class _Meta, class _Dom> - class _IClos; - - template<template<class, class> class _Meta, class _Dom> - class _ValFunClos; - - template<template<class, class> class _Meta, class _Dom> - class _RefFunClos; - - template<class _Tp> class valarray; // An array of type _Tp - class slice; // BLAS-like slice out of an array - template<class _Tp> class slice_array; - class gslice; // generalized slice out of an array - template<class _Tp> class gslice_array; - template<class _Tp> class mask_array; // masked array - template<class _Tp> class indirect_array; // indirected array - -_GLIBCXX_END_NAMESPACE - -#include <bits/valarray_array.h> -#include <bits/valarray_before.h> - -_GLIBCXX_BEGIN_NAMESPACE(std) - - /** - * @defgroup numeric_arrays Numeric Arrays - * @ingroup numerics - * - * Classes and functions for representing and manipulating arrays of elements. - * @{ - */ - - /** - * @brief Smart array designed to support numeric processing. - * - * A valarray is an array that provides constraints intended to allow for - * effective optimization of numeric array processing by reducing the - * aliasing that can result from pointer representations. It represents a - * one-dimensional array from which different multidimensional subsets can - * be accessed and modified. - * - * @param Tp Type of object in the array. - */ - template<class _Tp> - class valarray - { - template<class _Op> - struct _UnaryOp - { - typedef typename __fun<_Op, _Tp>::result_type __rt; - typedef _Expr<_UnClos<_Op, _ValArray, _Tp>, __rt> _Rt; - }; - public: - typedef _Tp value_type; - - // _lib.valarray.cons_ construct/destroy: - /// Construct an empty array. - valarray(); - - /// Construct an array with @a n elements. - explicit valarray(size_t); - - /// Construct an array with @a n elements initialized to @a t. - valarray(const _Tp&, size_t); - - /// Construct an array initialized to the first @a n elements of @a t. - valarray(const _Tp* __restrict__, size_t); - - /// Copy constructor. - valarray(const valarray&); - - /// Construct an array with the same size and values in @a sa. - valarray(const slice_array<_Tp>&); - - /// Construct an array with the same size and values in @a ga. - valarray(const gslice_array<_Tp>&); - - /// Construct an array with the same size and values in @a ma. - valarray(const mask_array<_Tp>&); - - /// Construct an array with the same size and values in @a ia. - valarray(const indirect_array<_Tp>&); - -#ifdef __GXX_EXPERIMENTAL_CXX0X__ - /// Construct an array with an initializer_list of values. - valarray(initializer_list<_Tp>); -#endif - - template<class _Dom> - valarray(const _Expr<_Dom, _Tp>& __e); - - ~valarray(); - - // _lib.valarray.assign_ assignment: - /** - * @brief Assign elements to an array. - * - * Assign elements of array to values in @a v. Results are undefined - * if @a v does not have the same size as this array. - * - * @param v Valarray to get values from. - */ - valarray<_Tp>& operator=(const valarray<_Tp>&); - - /** - * @brief Assign elements to a value. - * - * Assign all elements of array to @a t. - * - * @param t Value for elements. - */ - valarray<_Tp>& operator=(const _Tp&); - - /** - * @brief Assign elements to an array subset. - * - * Assign elements of array to values in @a sa. Results are undefined - * if @a sa does not have the same size as this array. - * - * @param sa Array slice to get values from. - */ - valarray<_Tp>& operator=(const slice_array<_Tp>&); - - /** - * @brief Assign elements to an array subset. - * - * Assign elements of array to values in @a ga. Results are undefined - * if @a ga does not have the same size as this array. - * - * @param ga Array slice to get values from. - */ - valarray<_Tp>& operator=(const gslice_array<_Tp>&); - - /** - * @brief Assign elements to an array subset. - * - * Assign elements of array to values in @a ma. Results are undefined - * if @a ma does not have the same size as this array. - * - * @param ma Array slice to get values from. - */ - valarray<_Tp>& operator=(const mask_array<_Tp>&); - - /** - * @brief Assign elements to an array subset. - * - * Assign elements of array to values in @a ia. Results are undefined - * if @a ia does not have the same size as this array. - * - * @param ia Array slice to get values from. - */ - valarray<_Tp>& operator=(const indirect_array<_Tp>&); - -#ifdef __GXX_EXPERIMENTAL_CXX0X__ - /** - * @brief Assign elements to an initializer_list. - * - * Assign elements of array to values in @a l. Results are undefined - * if @a l does not have the same size as this array. - * - * @param l initializer_list to get values from. - */ - valarray& operator=(initializer_list<_Tp>); -#endif - - template<class _Dom> valarray<_Tp>& - operator= (const _Expr<_Dom, _Tp>&); - - // _lib.valarray.access_ element access: - /** - * Return a reference to the i'th array element. - * - * @param i Index of element to return. - * @return Reference to the i'th element. - */ - _Tp& operator[](size_t); - - // _GLIBCXX_RESOLVE_LIB_DEFECTS - // 389. Const overload of valarray::operator[] returns by value. - const _Tp& operator[](size_t) const; - - // _lib.valarray.sub_ subset operations: - /** - * @brief Return an array subset. - * - * Returns a new valarray containing the elements of the array - * indicated by the slice argument. The new valarray has the same size - * as the input slice. @see slice. - * - * @param s The source slice. - * @return New valarray containing elements in @a s. - */ - _Expr<_SClos<_ValArray, _Tp>, _Tp> operator[](slice) const; - - /** - * @brief Return a reference to an array subset. - * - * Returns a new valarray containing the elements of the array - * indicated by the slice argument. The new valarray has the same size - * as the input slice. @see slice. - * - * @param s The source slice. - * @return New valarray containing elements in @a s. - */ - slice_array<_Tp> operator[](slice); - - /** - * @brief Return an array subset. - * - * Returns a slice_array referencing the elements of the array - * indicated by the slice argument. @see gslice. - * - * @param s The source slice. - * @return Slice_array referencing elements indicated by @a s. - */ - _Expr<_GClos<_ValArray, _Tp>, _Tp> operator[](const gslice&) const; - - /** - * @brief Return a reference to an array subset. - * - * Returns a new valarray containing the elements of the array - * indicated by the gslice argument. The new valarray has - * the same size as the input gslice. @see gslice. - * - * @param s The source gslice. - * @return New valarray containing elements in @a s. - */ - gslice_array<_Tp> operator[](const gslice&); - - /** - * @brief Return an array subset. - * - * Returns a new valarray containing the elements of the array - * indicated by the argument. The input is a valarray of bool which - * represents a bitmask indicating which elements should be copied into - * the new valarray. Each element of the array is added to the return - * valarray if the corresponding element of the argument is true. - * - * @param m The valarray bitmask. - * @return New valarray containing elements indicated by @a m. - */ - valarray<_Tp> operator[](const valarray<bool>&) const; - - /** - * @brief Return a reference to an array subset. - * - * Returns a new mask_array referencing the elements of the array - * indicated by the argument. The input is a valarray of bool which - * represents a bitmask indicating which elements are part of the - * subset. Elements of the array are part of the subset if the - * corresponding element of the argument is true. - * - * @param m The valarray bitmask. - * @return New valarray containing elements indicated by @a m. - */ - mask_array<_Tp> operator[](const valarray<bool>&); - - /** - * @brief Return an array subset. - * - * Returns a new valarray containing the elements of the array - * indicated by the argument. The elements in the argument are - * interpreted as the indices of elements of this valarray to copy to - * the return valarray. - * - * @param i The valarray element index list. - * @return New valarray containing elements in @a s. - */ - _Expr<_IClos<_ValArray, _Tp>, _Tp> - operator[](const valarray<size_t>&) const; - - /** - * @brief Return a reference to an array subset. - * - * Returns an indirect_array referencing the elements of the array - * indicated by the argument. The elements in the argument are - * interpreted as the indices of elements of this valarray to include - * in the subset. The returned indirect_array refers to these - * elements. - * - * @param i The valarray element index list. - * @return Indirect_array referencing elements in @a i. - */ - indirect_array<_Tp> operator[](const valarray<size_t>&); - - // _lib.valarray.unary_ unary operators: - /// Return a new valarray by applying unary + to each element. - typename _UnaryOp<__unary_plus>::_Rt operator+() const; - - /// Return a new valarray by applying unary - to each element. - typename _UnaryOp<__negate>::_Rt operator-() const; - - /// Return a new valarray by applying unary ~ to each element. - typename _UnaryOp<__bitwise_not>::_Rt operator~() const; - - /// Return a new valarray by applying unary ! to each element. - typename _UnaryOp<__logical_not>::_Rt operator!() const; - - // _lib.valarray.cassign_ computed assignment: - /// Multiply each element of array by @a t. - valarray<_Tp>& operator*=(const _Tp&); - - /// Divide each element of array by @a t. - valarray<_Tp>& operator/=(const _Tp&); - - /// Set each element e of array to e % @a t. - valarray<_Tp>& operator%=(const _Tp&); - - /// Add @a t to each element of array. - valarray<_Tp>& operator+=(const _Tp&); - - /// Subtract @a t to each element of array. - valarray<_Tp>& operator-=(const _Tp&); - - /// Set each element e of array to e ^ @a t. - valarray<_Tp>& operator^=(const _Tp&); - - /// Set each element e of array to e & @a t. - valarray<_Tp>& operator&=(const _Tp&); - - /// Set each element e of array to e | @a t. - valarray<_Tp>& operator|=(const _Tp&); - - /// Left shift each element e of array by @a t bits. - valarray<_Tp>& operator<<=(const _Tp&); - - /// Right shift each element e of array by @a t bits. - valarray<_Tp>& operator>>=(const _Tp&); - - /// Multiply elements of array by corresponding elements of @a v. - valarray<_Tp>& operator*=(const valarray<_Tp>&); - - /// Divide elements of array by corresponding elements of @a v. - valarray<_Tp>& operator/=(const valarray<_Tp>&); - - /// Modulo elements of array by corresponding elements of @a v. - valarray<_Tp>& operator%=(const valarray<_Tp>&); - - /// Add corresponding elements of @a v to elements of array. - valarray<_Tp>& operator+=(const valarray<_Tp>&); - - /// Subtract corresponding elements of @a v from elements of array. - valarray<_Tp>& operator-=(const valarray<_Tp>&); - - /// Logical xor corresponding elements of @a v with elements of array. - valarray<_Tp>& operator^=(const valarray<_Tp>&); - - /// Logical or corresponding elements of @a v with elements of array. - valarray<_Tp>& operator|=(const valarray<_Tp>&); - - /// Logical and corresponding elements of @a v with elements of array. - valarray<_Tp>& operator&=(const valarray<_Tp>&); - - /// Left shift elements of array by corresponding elements of @a v. - valarray<_Tp>& operator<<=(const valarray<_Tp>&); - - /// Right shift elements of array by corresponding elements of @a v. - valarray<_Tp>& operator>>=(const valarray<_Tp>&); - - template<class _Dom> - valarray<_Tp>& operator*=(const _Expr<_Dom, _Tp>&); - template<class _Dom> - valarray<_Tp>& operator/=(const _Expr<_Dom, _Tp>&); - template<class _Dom> - valarray<_Tp>& operator%=(const _Expr<_Dom, _Tp>&); - template<class _Dom> - valarray<_Tp>& operator+=(const _Expr<_Dom, _Tp>&); - template<class _Dom> - valarray<_Tp>& operator-=(const _Expr<_Dom, _Tp>&); - template<class _Dom> - valarray<_Tp>& operator^=(const _Expr<_Dom, _Tp>&); - template<class _Dom> - valarray<_Tp>& operator|=(const _Expr<_Dom, _Tp>&); - template<class _Dom> - valarray<_Tp>& operator&=(const _Expr<_Dom, _Tp>&); - template<class _Dom> - valarray<_Tp>& operator<<=(const _Expr<_Dom, _Tp>&); - template<class _Dom> - valarray<_Tp>& operator>>=(const _Expr<_Dom, _Tp>&); - - // _lib.valarray.members_ member functions: - /// Return the number of elements in array. - size_t size() const; - - /** - * @brief Return the sum of all elements in the array. - * - * Accumulates the sum of all elements into a Tp using +=. The order - * of adding the elements is unspecified. - */ - _Tp sum() const; - - /// Return the minimum element using operator<(). - _Tp min() const; - - /// Return the maximum element using operator<(). - _Tp max() const; - - /** - * @brief Return a shifted array. - * - * A new valarray is constructed as a copy of this array with elements - * in shifted positions. For an element with index i, the new position - * is i - n. The new valarray has the same size as the current one. - * New elements without a value are set to 0. Elements whose new - * position is outside the bounds of the array are discarded. - * - * Positive arguments shift toward index 0, discarding elements [0, n). - * Negative arguments discard elements from the top of the array. - * - * @param n Number of element positions to shift. - * @return New valarray with elements in shifted positions. - */ - valarray<_Tp> shift (int) const; - - /** - * @brief Return a rotated array. - * - * A new valarray is constructed as a copy of this array with elements - * in shifted positions. For an element with index i, the new position - * is (i - n) % size(). The new valarray has the same size as the - * current one. Elements that are shifted beyond the array bounds are - * shifted into the other end of the array. No elements are lost. - * - * Positive arguments shift toward index 0, wrapping around the top. - * Negative arguments shift towards the top, wrapping around to 0. - * - * @param n Number of element positions to rotate. - * @return New valarray with elements in shifted positions. - */ - valarray<_Tp> cshift(int) const; - - /** - * @brief Apply a function to the array. - * - * Returns a new valarray with elements assigned to the result of - * applying func to the corresponding element of this array. The new - * array has the same size as this one. - * - * @param func Function of Tp returning Tp to apply. - * @return New valarray with transformed elements. - */ - _Expr<_ValFunClos<_ValArray, _Tp>, _Tp> apply(_Tp func(_Tp)) const; - - /** - * @brief Apply a function to the array. - * - * Returns a new valarray with elements assigned to the result of - * applying func to the corresponding element of this array. The new - * array has the same size as this one. - * - * @param func Function of const Tp& returning Tp to apply. - * @return New valarray with transformed elements. - */ - _Expr<_RefFunClos<_ValArray, _Tp>, _Tp> apply(_Tp func(const _Tp&)) const; - - /** - * @brief Resize array. - * - * Resize this array to @a size and set all elements to @a c. All - * references and iterators are invalidated. - * - * @param size New array size. - * @param c New value for all elements. - */ - void resize(size_t __size, _Tp __c = _Tp()); - - private: - size_t _M_size; - _Tp* __restrict__ _M_data; - - friend class _Array<_Tp>; - }; - - template<typename _Tp> - inline const _Tp& - valarray<_Tp>::operator[](size_t __i) const - { - __glibcxx_requires_subscript(__i); - return _M_data[__i]; - } - - template<typename _Tp> - inline _Tp& - valarray<_Tp>::operator[](size_t __i) - { - __glibcxx_requires_subscript(__i); - return _M_data[__i]; - } - - // @} group numeric_arrays - -_GLIBCXX_END_NAMESPACE - -#include <bits/valarray_after.h> -#include <bits/slice_array.h> -#include <bits/gslice.h> -#include <bits/gslice_array.h> -#include <bits/mask_array.h> -#include <bits/indirect_array.h> - -_GLIBCXX_BEGIN_NAMESPACE(std) - - /** - * @addtogroup numeric_arrays - * @{ - */ - - template<typename _Tp> - inline - valarray<_Tp>::valarray() : _M_size(0), _M_data(0) {} - - template<typename _Tp> - inline - valarray<_Tp>::valarray(size_t __n) - : _M_size(__n), _M_data(__valarray_get_storage<_Tp>(__n)) - { std::__valarray_default_construct(_M_data, _M_data + __n); } - - template<typename _Tp> - inline - valarray<_Tp>::valarray(const _Tp& __t, size_t __n) - : _M_size(__n), _M_data(__valarray_get_storage<_Tp>(__n)) - { std::__valarray_fill_construct(_M_data, _M_data + __n, __t); } - - template<typename _Tp> - inline - valarray<_Tp>::valarray(const _Tp* __restrict__ __p, size_t __n) - : _M_size(__n), _M_data(__valarray_get_storage<_Tp>(__n)) - { - _GLIBCXX_DEBUG_ASSERT(__p != 0 || __n == 0); - std::__valarray_copy_construct(__p, __p + __n, _M_data); - } - - template<typename _Tp> - inline - valarray<_Tp>::valarray(const valarray<_Tp>& __v) - : _M_size(__v._M_size), _M_data(__valarray_get_storage<_Tp>(__v._M_size)) - { std::__valarray_copy_construct(__v._M_data, __v._M_data + _M_size, - _M_data); } - - template<typename _Tp> - inline - valarray<_Tp>::valarray(const slice_array<_Tp>& __sa) - : _M_size(__sa._M_sz), _M_data(__valarray_get_storage<_Tp>(__sa._M_sz)) - { - std::__valarray_copy_construct - (__sa._M_array, __sa._M_sz, __sa._M_stride, _Array<_Tp>(_M_data)); - } - - template<typename _Tp> - inline - valarray<_Tp>::valarray(const gslice_array<_Tp>& __ga) - : _M_size(__ga._M_index.size()), - _M_data(__valarray_get_storage<_Tp>(_M_size)) - { - std::__valarray_copy_construct - (__ga._M_array, _Array<size_t>(__ga._M_index), - _Array<_Tp>(_M_data), _M_size); - } - - template<typename _Tp> - inline - valarray<_Tp>::valarray(const mask_array<_Tp>& __ma) - : _M_size(__ma._M_sz), _M_data(__valarray_get_storage<_Tp>(__ma._M_sz)) - { - std::__valarray_copy_construct - (__ma._M_array, __ma._M_mask, _Array<_Tp>(_M_data), _M_size); - } - - template<typename _Tp> - inline - valarray<_Tp>::valarray(const indirect_array<_Tp>& __ia) - : _M_size(__ia._M_sz), _M_data(__valarray_get_storage<_Tp>(__ia._M_sz)) - { - std::__valarray_copy_construct - (__ia._M_array, __ia._M_index, _Array<_Tp>(_M_data), _M_size); - } - -#ifdef __GXX_EXPERIMENTAL_CXX0X__ - template<typename _Tp> - inline - valarray<_Tp>::valarray(initializer_list<_Tp> __l) - : _M_size(__l.size()), _M_data(__valarray_get_storage<_Tp>(__l.size())) - { std::__valarray_copy_construct (__l.begin(), __l.end(), _M_data); } -#endif - - template<typename _Tp> template<class _Dom> - inline - valarray<_Tp>::valarray(const _Expr<_Dom, _Tp>& __e) - : _M_size(__e.size()), _M_data(__valarray_get_storage<_Tp>(_M_size)) - { std::__valarray_copy_construct(__e, _M_size, _Array<_Tp>(_M_data)); } - - template<typename _Tp> - inline - valarray<_Tp>::~valarray() - { - std::__valarray_destroy_elements(_M_data, _M_data + _M_size); - std::__valarray_release_memory(_M_data); - } - - template<typename _Tp> - inline valarray<_Tp>& - valarray<_Tp>::operator=(const valarray<_Tp>& __v) - { - _GLIBCXX_DEBUG_ASSERT(_M_size == __v._M_size); - std::__valarray_copy(__v._M_data, _M_size, _M_data); - return *this; - } - -#ifdef __GXX_EXPERIMENTAL_CXX0X__ - template<typename _Tp> - inline valarray<_Tp>& - valarray<_Tp>::operator=(initializer_list<_Tp> __l) - { - _GLIBCXX_DEBUG_ASSERT(_M_size == __l.size()); - std::__valarray_copy(__l.begin(), __l.size(), _M_data); - return *this; - } -#endif - - template<typename _Tp> - inline valarray<_Tp>& - valarray<_Tp>::operator=(const _Tp& __t) - { - std::__valarray_fill(_M_data, _M_size, __t); - return *this; - } - - template<typename _Tp> - inline valarray<_Tp>& - valarray<_Tp>::operator=(const slice_array<_Tp>& __sa) - { - _GLIBCXX_DEBUG_ASSERT(_M_size == __sa._M_sz); - std::__valarray_copy(__sa._M_array, __sa._M_sz, - __sa._M_stride, _Array<_Tp>(_M_data)); - return *this; - } - - template<typename _Tp> - inline valarray<_Tp>& - valarray<_Tp>::operator=(const gslice_array<_Tp>& __ga) - { - _GLIBCXX_DEBUG_ASSERT(_M_size == __ga._M_index.size()); - std::__valarray_copy(__ga._M_array, _Array<size_t>(__ga._M_index), - _Array<_Tp>(_M_data), _M_size); - return *this; - } - - template<typename _Tp> - inline valarray<_Tp>& - valarray<_Tp>::operator=(const mask_array<_Tp>& __ma) - { - _GLIBCXX_DEBUG_ASSERT(_M_size == __ma._M_sz); - std::__valarray_copy(__ma._M_array, __ma._M_mask, - _Array<_Tp>(_M_data), _M_size); - return *this; - } - - template<typename _Tp> - inline valarray<_Tp>& - valarray<_Tp>::operator=(const indirect_array<_Tp>& __ia) - { - _GLIBCXX_DEBUG_ASSERT(_M_size == __ia._M_sz); - std::__valarray_copy(__ia._M_array, __ia._M_index, - _Array<_Tp>(_M_data), _M_size); - return *this; - } - - template<typename _Tp> template<class _Dom> - inline valarray<_Tp>& - valarray<_Tp>::operator=(const _Expr<_Dom, _Tp>& __e) - { - _GLIBCXX_DEBUG_ASSERT(_M_size == __e.size()); - std::__valarray_copy(__e, _M_size, _Array<_Tp>(_M_data)); - return *this; - } - - template<typename _Tp> - inline _Expr<_SClos<_ValArray,_Tp>, _Tp> - valarray<_Tp>::operator[](slice __s) const - { - typedef _SClos<_ValArray,_Tp> _Closure; - return _Expr<_Closure, _Tp>(_Closure (_Array<_Tp>(_M_data), __s)); - } - - template<typename _Tp> - inline slice_array<_Tp> - valarray<_Tp>::operator[](slice __s) - { return slice_array<_Tp>(_Array<_Tp>(_M_data), __s); } - - template<typename _Tp> - inline _Expr<_GClos<_ValArray,_Tp>, _Tp> - valarray<_Tp>::operator[](const gslice& __gs) const - { - typedef _GClos<_ValArray,_Tp> _Closure; - return _Expr<_Closure, _Tp> - (_Closure(_Array<_Tp>(_M_data), __gs._M_index->_M_index)); - } - - template<typename _Tp> - inline gslice_array<_Tp> - valarray<_Tp>::operator[](const gslice& __gs) - { - return gslice_array<_Tp> - (_Array<_Tp>(_M_data), __gs._M_index->_M_index); - } - - template<typename _Tp> - inline valarray<_Tp> - valarray<_Tp>::operator[](const valarray<bool>& __m) const - { - size_t __s = 0; - size_t __e = __m.size(); - for (size_t __i=0; __i<__e; ++__i) - if (__m[__i]) ++__s; - return valarray<_Tp>(mask_array<_Tp>(_Array<_Tp>(_M_data), __s, - _Array<bool> (__m))); - } - - template<typename _Tp> - inline mask_array<_Tp> - valarray<_Tp>::operator[](const valarray<bool>& __m) - { - size_t __s = 0; - size_t __e = __m.size(); - for (size_t __i=0; __i<__e; ++__i) - if (__m[__i]) ++__s; - return mask_array<_Tp>(_Array<_Tp>(_M_data), __s, _Array<bool>(__m)); - } - - template<typename _Tp> - inline _Expr<_IClos<_ValArray,_Tp>, _Tp> - valarray<_Tp>::operator[](const valarray<size_t>& __i) const - { - typedef _IClos<_ValArray,_Tp> _Closure; - return _Expr<_Closure, _Tp>(_Closure(*this, __i)); - } - - template<typename _Tp> - inline indirect_array<_Tp> - valarray<_Tp>::operator[](const valarray<size_t>& __i) - { - return indirect_array<_Tp>(_Array<_Tp>(_M_data), __i.size(), - _Array<size_t>(__i)); - } - - template<class _Tp> - inline size_t - valarray<_Tp>::size() const - { return _M_size; } - - template<class _Tp> - inline _Tp - valarray<_Tp>::sum() const - { - _GLIBCXX_DEBUG_ASSERT(_M_size > 0); - return std::__valarray_sum(_M_data, _M_data + _M_size); - } - - template<class _Tp> - inline valarray<_Tp> - valarray<_Tp>::shift(int __n) const - { - valarray<_Tp> __ret; - - if (_M_size == 0) - return __ret; - - _Tp* __restrict__ __tmp_M_data = - std::__valarray_get_storage<_Tp>(_M_size); - - if (__n == 0) - std::__valarray_copy_construct(_M_data, - _M_data + _M_size, __tmp_M_data); - else if (__n > 0) // shift left - { - if (size_t(__n) > _M_size) - __n = int(_M_size); - - std::__valarray_copy_construct(_M_data + __n, - _M_data + _M_size, __tmp_M_data); - std::__valarray_default_construct(__tmp_M_data + _M_size - __n, - __tmp_M_data + _M_size); - } - else // shift right - { - if (-size_t(__n) > _M_size) - __n = -int(_M_size); - - std::__valarray_copy_construct(_M_data, _M_data + _M_size + __n, - __tmp_M_data - __n); - std::__valarray_default_construct(__tmp_M_data, - __tmp_M_data - __n); - } - - __ret._M_size = _M_size; - __ret._M_data = __tmp_M_data; - return __ret; - } - - template<class _Tp> - inline valarray<_Tp> - valarray<_Tp>::cshift(int __n) const - { - valarray<_Tp> __ret; - - if (_M_size == 0) - return __ret; - - _Tp* __restrict__ __tmp_M_data = - std::__valarray_get_storage<_Tp>(_M_size); - - if (__n == 0) - std::__valarray_copy_construct(_M_data, - _M_data + _M_size, __tmp_M_data); - else if (__n > 0) // cshift left - { - if (size_t(__n) > _M_size) - __n = int(__n % _M_size); - - std::__valarray_copy_construct(_M_data, _M_data + __n, - __tmp_M_data + _M_size - __n); - std::__valarray_copy_construct(_M_data + __n, _M_data + _M_size, - __tmp_M_data); - } - else // cshift right - { - if (-size_t(__n) > _M_size) - __n = -int(-size_t(__n) % _M_size); - - std::__valarray_copy_construct(_M_data + _M_size + __n, - _M_data + _M_size, __tmp_M_data); - std::__valarray_copy_construct(_M_data, _M_data + _M_size + __n, - __tmp_M_data - __n); - } - - __ret._M_size = _M_size; - __ret._M_data = __tmp_M_data; - return __ret; - } - - template<class _Tp> - inline void - valarray<_Tp>::resize(size_t __n, _Tp __c) - { - // This complication is so to make valarray<valarray<T> > work - // even though it is not required by the standard. Nobody should - // be saying valarray<valarray<T> > anyway. See the specs. - std::__valarray_destroy_elements(_M_data, _M_data + _M_size); - if (_M_size != __n) - { - std::__valarray_release_memory(_M_data); - _M_size = __n; - _M_data = __valarray_get_storage<_Tp>(__n); - } - std::__valarray_fill_construct(_M_data, _M_data + __n, __c); - } - - template<typename _Tp> - inline _Tp - valarray<_Tp>::min() const - { - _GLIBCXX_DEBUG_ASSERT(_M_size > 0); - return *std::min_element(_M_data, _M_data + _M_size); - } - - template<typename _Tp> - inline _Tp - valarray<_Tp>::max() const - { - _GLIBCXX_DEBUG_ASSERT(_M_size > 0); - return *std::max_element(_M_data, _M_data + _M_size); - } - - template<class _Tp> - inline _Expr<_ValFunClos<_ValArray, _Tp>, _Tp> - valarray<_Tp>::apply(_Tp func(_Tp)) const - { - typedef _ValFunClos<_ValArray, _Tp> _Closure; - return _Expr<_Closure, _Tp>(_Closure(*this, func)); - } - - template<class _Tp> - inline _Expr<_RefFunClos<_ValArray, _Tp>, _Tp> - valarray<_Tp>::apply(_Tp func(const _Tp &)) const - { - typedef _RefFunClos<_ValArray, _Tp> _Closure; - return _Expr<_Closure, _Tp>(_Closure(*this, func)); - } - -#define _DEFINE_VALARRAY_UNARY_OPERATOR(_Op, _Name) \ - template<typename _Tp> \ - inline typename valarray<_Tp>::template _UnaryOp<_Name>::_Rt \ - valarray<_Tp>::operator _Op() const \ - { \ - typedef _UnClos<_Name, _ValArray, _Tp> _Closure; \ - typedef typename __fun<_Name, _Tp>::result_type _Rt; \ - return _Expr<_Closure, _Rt>(_Closure(*this)); \ - } - - _DEFINE_VALARRAY_UNARY_OPERATOR(+, __unary_plus) - _DEFINE_VALARRAY_UNARY_OPERATOR(-, __negate) - _DEFINE_VALARRAY_UNARY_OPERATOR(~, __bitwise_not) - _DEFINE_VALARRAY_UNARY_OPERATOR (!, __logical_not) - -#undef _DEFINE_VALARRAY_UNARY_OPERATOR - -#define _DEFINE_VALARRAY_AUGMENTED_ASSIGNMENT(_Op, _Name) \ - template<class _Tp> \ - inline valarray<_Tp>& \ - valarray<_Tp>::operator _Op##=(const _Tp &__t) \ - { \ - _Array_augmented_##_Name(_Array<_Tp>(_M_data), _M_size, __t); \ - return *this; \ - } \ - \ - template<class _Tp> \ - inline valarray<_Tp>& \ - valarray<_Tp>::operator _Op##=(const valarray<_Tp> &__v) \ - { \ - _GLIBCXX_DEBUG_ASSERT(_M_size == __v._M_size); \ - _Array_augmented_##_Name(_Array<_Tp>(_M_data), _M_size, \ - _Array<_Tp>(__v._M_data)); \ - return *this; \ - } - -_DEFINE_VALARRAY_AUGMENTED_ASSIGNMENT(+, __plus) -_DEFINE_VALARRAY_AUGMENTED_ASSIGNMENT(-, __minus) -_DEFINE_VALARRAY_AUGMENTED_ASSIGNMENT(*, __multiplies) -_DEFINE_VALARRAY_AUGMENTED_ASSIGNMENT(/, __divides) -_DEFINE_VALARRAY_AUGMENTED_ASSIGNMENT(%, __modulus) -_DEFINE_VALARRAY_AUGMENTED_ASSIGNMENT(^, __bitwise_xor) -_DEFINE_VALARRAY_AUGMENTED_ASSIGNMENT(&, __bitwise_and) -_DEFINE_VALARRAY_AUGMENTED_ASSIGNMENT(|, __bitwise_or) -_DEFINE_VALARRAY_AUGMENTED_ASSIGNMENT(<<, __shift_left) -_DEFINE_VALARRAY_AUGMENTED_ASSIGNMENT(>>, __shift_right) - -#undef _DEFINE_VALARRAY_AUGMENTED_ASSIGNMENT - -#define _DEFINE_VALARRAY_EXPR_AUGMENTED_ASSIGNMENT(_Op, _Name) \ - template<class _Tp> template<class _Dom> \ - inline valarray<_Tp>& \ - valarray<_Tp>::operator _Op##=(const _Expr<_Dom, _Tp>& __e) \ - { \ - _Array_augmented_##_Name(_Array<_Tp>(_M_data), __e, _M_size); \ - return *this; \ - } - -_DEFINE_VALARRAY_EXPR_AUGMENTED_ASSIGNMENT(+, __plus) -_DEFINE_VALARRAY_EXPR_AUGMENTED_ASSIGNMENT(-, __minus) -_DEFINE_VALARRAY_EXPR_AUGMENTED_ASSIGNMENT(*, __multiplies) -_DEFINE_VALARRAY_EXPR_AUGMENTED_ASSIGNMENT(/, __divides) -_DEFINE_VALARRAY_EXPR_AUGMENTED_ASSIGNMENT(%, __modulus) -_DEFINE_VALARRAY_EXPR_AUGMENTED_ASSIGNMENT(^, __bitwise_xor) -_DEFINE_VALARRAY_EXPR_AUGMENTED_ASSIGNMENT(&, __bitwise_and) -_DEFINE_VALARRAY_EXPR_AUGMENTED_ASSIGNMENT(|, __bitwise_or) -_DEFINE_VALARRAY_EXPR_AUGMENTED_ASSIGNMENT(<<, __shift_left) -_DEFINE_VALARRAY_EXPR_AUGMENTED_ASSIGNMENT(>>, __shift_right) - -#undef _DEFINE_VALARRAY_EXPR_AUGMENTED_ASSIGNMENT - - -#define _DEFINE_BINARY_OPERATOR(_Op, _Name) \ - template<typename _Tp> \ - inline _Expr<_BinClos<_Name, _ValArray, _ValArray, _Tp, _Tp>, \ - typename __fun<_Name, _Tp>::result_type> \ - operator _Op(const valarray<_Tp>& __v, const valarray<_Tp>& __w) \ - { \ - _GLIBCXX_DEBUG_ASSERT(__v.size() == __w.size()); \ - typedef _BinClos<_Name, _ValArray, _ValArray, _Tp, _Tp> _Closure; \ - typedef typename __fun<_Name, _Tp>::result_type _Rt; \ - return _Expr<_Closure, _Rt>(_Closure(__v, __w)); \ - } \ - \ - template<typename _Tp> \ - inline _Expr<_BinClos<_Name, _ValArray,_Constant, _Tp, _Tp>, \ - typename __fun<_Name, _Tp>::result_type> \ - operator _Op(const valarray<_Tp>& __v, const _Tp& __t) \ - { \ - typedef _BinClos<_Name, _ValArray, _Constant, _Tp, _Tp> _Closure; \ - typedef typename __fun<_Name, _Tp>::result_type _Rt; \ - return _Expr<_Closure, _Rt>(_Closure(__v, __t)); \ - } \ - \ - template<typename _Tp> \ - inline _Expr<_BinClos<_Name, _Constant, _ValArray, _Tp, _Tp>, \ - typename __fun<_Name, _Tp>::result_type> \ - operator _Op(const _Tp& __t, const valarray<_Tp>& __v) \ - { \ - typedef _BinClos<_Name, _Constant, _ValArray, _Tp, _Tp> _Closure; \ - typedef typename __fun<_Name, _Tp>::result_type _Rt; \ - return _Expr<_Closure, _Rt>(_Closure(__t, __v)); \ - } - -_DEFINE_BINARY_OPERATOR(+, __plus) -_DEFINE_BINARY_OPERATOR(-, __minus) -_DEFINE_BINARY_OPERATOR(*, __multiplies) -_DEFINE_BINARY_OPERATOR(/, __divides) -_DEFINE_BINARY_OPERATOR(%, __modulus) -_DEFINE_BINARY_OPERATOR(^, __bitwise_xor) -_DEFINE_BINARY_OPERATOR(&, __bitwise_and) -_DEFINE_BINARY_OPERATOR(|, __bitwise_or) -_DEFINE_BINARY_OPERATOR(<<, __shift_left) -_DEFINE_BINARY_OPERATOR(>>, __shift_right) -_DEFINE_BINARY_OPERATOR(&&, __logical_and) -_DEFINE_BINARY_OPERATOR(||, __logical_or) -_DEFINE_BINARY_OPERATOR(==, __equal_to) -_DEFINE_BINARY_OPERATOR(!=, __not_equal_to) -_DEFINE_BINARY_OPERATOR(<, __less) -_DEFINE_BINARY_OPERATOR(>, __greater) -_DEFINE_BINARY_OPERATOR(<=, __less_equal) -_DEFINE_BINARY_OPERATOR(>=, __greater_equal) - -#undef _DEFINE_BINARY_OPERATOR - - // @} group numeric_arrays - -_GLIBCXX_END_NAMESPACE - -#endif /* _GLIBCXX_VALARRAY */ |