| // The template and inlines for the -*- C++ -*- internal _Array helper class. |
| |
| // Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, |
| // 2006, 2007, 2008, 2009, 2010, 2011 |
| // 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_array.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@DPTMaths.ENS-Cachan.Fr> |
| |
| #ifndef _VALARRAY_ARRAY_H |
| #define _VALARRAY_ARRAY_H 1 |
| |
| #pragma GCC system_header |
| |
| #include <bits/c++config.h> |
| #include <bits/cpp_type_traits.h> |
| #include <cstdlib> |
| #include <new> |
| |
| namespace std _GLIBCXX_VISIBILITY(default) |
| { |
| _GLIBCXX_BEGIN_NAMESPACE_VERSION |
| |
| // |
| // Helper functions on raw pointers |
| // |
| |
| // We get memory by the old fashion way |
| inline void* |
| __valarray_get_memory(size_t __n) |
| { return operator new(__n); } |
| |
| template<typename _Tp> |
| inline _Tp*__restrict__ |
| __valarray_get_storage(size_t __n) |
| { |
| return static_cast<_Tp*__restrict__> |
| (std::__valarray_get_memory(__n * sizeof(_Tp))); |
| } |
| |
| // Return memory to the system |
| inline void |
| __valarray_release_memory(void* __p) |
| { operator delete(__p); } |
| |
| // Turn a raw-memory into an array of _Tp filled with _Tp() |
| // This is required in 'valarray<T> v(n);' |
| template<typename _Tp, bool> |
| struct _Array_default_ctor |
| { |
| // Please note that this isn't exception safe. But |
| // valarrays aren't required to be exception safe. |
| inline static void |
| _S_do_it(_Tp* __b, _Tp* __e) |
| { |
| while (__b != __e) |
| new(__b++) _Tp(); |
| } |
| }; |
| |
| template<typename _Tp> |
| struct _Array_default_ctor<_Tp, true> |
| { |
| // For fundamental types, it suffices to say 'memset()' |
| inline static void |
| _S_do_it(_Tp* __b, _Tp* __e) |
| { __builtin_memset(__b, 0, (__e - __b) * sizeof(_Tp)); } |
| }; |
| |
| template<typename _Tp> |
| inline void |
| __valarray_default_construct(_Tp* __b, _Tp* __e) |
| { |
| _Array_default_ctor<_Tp, __is_scalar<_Tp>::__value>::_S_do_it(__b, __e); |
| } |
| |
| // Turn a raw-memory into an array of _Tp filled with __t |
| // This is the required in valarray<T> v(n, t). Also |
| // used in valarray<>::resize(). |
| template<typename _Tp, bool> |
| struct _Array_init_ctor |
| { |
| // Please note that this isn't exception safe. But |
| // valarrays aren't required to be exception safe. |
| inline static void |
| _S_do_it(_Tp* __b, _Tp* __e, const _Tp __t) |
| { |
| while (__b != __e) |
| new(__b++) _Tp(__t); |
| } |
| }; |
| |
| template<typename _Tp> |
| struct _Array_init_ctor<_Tp, true> |
| { |
| inline static void |
| _S_do_it(_Tp* __b, _Tp* __e, const _Tp __t) |
| { |
| while (__b != __e) |
| *__b++ = __t; |
| } |
| }; |
| |
| template<typename _Tp> |
| inline void |
| __valarray_fill_construct(_Tp* __b, _Tp* __e, const _Tp __t) |
| { |
| _Array_init_ctor<_Tp, __is_trivial(_Tp)>::_S_do_it(__b, __e, __t); |
| } |
| |
| // |
| // copy-construct raw array [__o, *) from plain array [__b, __e) |
| // We can't just say 'memcpy()' |
| // |
| template<typename _Tp, bool> |
| struct _Array_copy_ctor |
| { |
| // Please note that this isn't exception safe. But |
| // valarrays aren't required to be exception safe. |
| inline static void |
| _S_do_it(const _Tp* __b, const _Tp* __e, _Tp* __restrict__ __o) |
| { |
| while (__b != __e) |
| new(__o++) _Tp(*__b++); |
| } |
| }; |
| |
| template<typename _Tp> |
| struct _Array_copy_ctor<_Tp, true> |
| { |
| inline static void |
| _S_do_it(const _Tp* __b, const _Tp* __e, _Tp* __restrict__ __o) |
| { __builtin_memcpy(__o, __b, (__e - __b) * sizeof(_Tp)); } |
| }; |
| |
| template<typename _Tp> |
| inline void |
| __valarray_copy_construct(const _Tp* __b, const _Tp* __e, |
| _Tp* __restrict__ __o) |
| { |
| _Array_copy_ctor<_Tp, __is_trivial(_Tp)>::_S_do_it(__b, __e, __o); |
| } |
| |
| // copy-construct raw array [__o, *) from strided array __a[<__n : __s>] |
| template<typename _Tp> |
| inline void |
| __valarray_copy_construct (const _Tp* __restrict__ __a, size_t __n, |
| size_t __s, _Tp* __restrict__ __o) |
| { |
| if (__is_trivial(_Tp)) |
| while (__n--) |
| { |
| *__o++ = *__a; |
| __a += __s; |
| } |
| else |
| while (__n--) |
| { |
| new(__o++) _Tp(*__a); |
| __a += __s; |
| } |
| } |
| |
| // copy-construct raw array [__o, *) from indexed array __a[__i[<__n>]] |
| template<typename _Tp> |
| inline void |
| __valarray_copy_construct (const _Tp* __restrict__ __a, |
| const size_t* __restrict__ __i, |
| _Tp* __restrict__ __o, size_t __n) |
| { |
| if (__is_trivial(_Tp)) |
| while (__n--) |
| *__o++ = __a[*__i++]; |
| else |
| while (__n--) |
| new (__o++) _Tp(__a[*__i++]); |
| } |
| |
| // Do the necessary cleanup when we're done with arrays. |
| template<typename _Tp> |
| inline void |
| __valarray_destroy_elements(_Tp* __b, _Tp* __e) |
| { |
| if (!__is_trivial(_Tp)) |
| while (__b != __e) |
| { |
| __b->~_Tp(); |
| ++__b; |
| } |
| } |
| |
| // Fill a plain array __a[<__n>] with __t |
| template<typename _Tp> |
| inline void |
| __valarray_fill(_Tp* __restrict__ __a, size_t __n, const _Tp& __t) |
| { |
| while (__n--) |
| *__a++ = __t; |
| } |
| |
| // fill strided array __a[<__n-1 : __s>] with __t |
| template<typename _Tp> |
| inline void |
| __valarray_fill(_Tp* __restrict__ __a, size_t __n, |
| size_t __s, const _Tp& __t) |
| { |
| for (size_t __i = 0; __i < __n; ++__i, __a += __s) |
| *__a = __t; |
| } |
| |
| // fill indirect array __a[__i[<__n>]] with __i |
| template<typename _Tp> |
| inline void |
| __valarray_fill(_Tp* __restrict__ __a, const size_t* __restrict__ __i, |
| size_t __n, const _Tp& __t) |
| { |
| for (size_t __j = 0; __j < __n; ++__j, ++__i) |
| __a[*__i] = __t; |
| } |
| |
| // copy plain array __a[<__n>] in __b[<__n>] |
| // For non-fundamental types, it is wrong to say 'memcpy()' |
| template<typename _Tp, bool> |
| struct _Array_copier |
| { |
| inline static void |
| _S_do_it(const _Tp* __restrict__ __a, size_t __n, _Tp* __restrict__ __b) |
| { |
| while(__n--) |
| *__b++ = *__a++; |
| } |
| }; |
| |
| template<typename _Tp> |
| struct _Array_copier<_Tp, true> |
| { |
| inline static void |
| _S_do_it(const _Tp* __restrict__ __a, size_t __n, _Tp* __restrict__ __b) |
| { __builtin_memcpy(__b, __a, __n * sizeof (_Tp)); } |
| }; |
| |
| // Copy a plain array __a[<__n>] into a play array __b[<>] |
| template<typename _Tp> |
| inline void |
| __valarray_copy(const _Tp* __restrict__ __a, size_t __n, |
| _Tp* __restrict__ __b) |
| { |
| _Array_copier<_Tp, __is_trivial(_Tp)>::_S_do_it(__a, __n, __b); |
| } |
| |
| // Copy strided array __a[<__n : __s>] in plain __b[<__n>] |
| template<typename _Tp> |
| inline void |
| __valarray_copy(const _Tp* __restrict__ __a, size_t __n, size_t __s, |
| _Tp* __restrict__ __b) |
| { |
| for (size_t __i = 0; __i < __n; ++__i, ++__b, __a += __s) |
| *__b = *__a; |
| } |
| |
| // Copy a plain array __a[<__n>] into a strided array __b[<__n : __s>] |
| template<typename _Tp> |
| inline void |
| __valarray_copy(const _Tp* __restrict__ __a, _Tp* __restrict__ __b, |
| size_t __n, size_t __s) |
| { |
| for (size_t __i = 0; __i < __n; ++__i, ++__a, __b += __s) |
| *__b = *__a; |
| } |
| |
| // Copy strided array __src[<__n : __s1>] into another |
| // strided array __dst[< : __s2>]. Their sizes must match. |
| template<typename _Tp> |
| inline void |
| __valarray_copy(const _Tp* __restrict__ __src, size_t __n, size_t __s1, |
| _Tp* __restrict__ __dst, size_t __s2) |
| { |
| for (size_t __i = 0; __i < __n; ++__i) |
| __dst[__i * __s2] = __src[__i * __s1]; |
| } |
| |
| // Copy an indexed array __a[__i[<__n>]] in plain array __b[<__n>] |
| template<typename _Tp> |
| inline void |
| __valarray_copy(const _Tp* __restrict__ __a, |
| const size_t* __restrict__ __i, |
| _Tp* __restrict__ __b, size_t __n) |
| { |
| for (size_t __j = 0; __j < __n; ++__j, ++__b, ++__i) |
| *__b = __a[*__i]; |
| } |
| |
| // Copy a plain array __a[<__n>] in an indexed array __b[__i[<__n>]] |
| template<typename _Tp> |
| inline void |
| __valarray_copy(const _Tp* __restrict__ __a, size_t __n, |
| _Tp* __restrict__ __b, const size_t* __restrict__ __i) |
| { |
| for (size_t __j = 0; __j < __n; ++__j, ++__a, ++__i) |
| __b[*__i] = *__a; |
| } |
| |
| // Copy the __n first elements of an indexed array __src[<__i>] into |
| // another indexed array __dst[<__j>]. |
| template<typename _Tp> |
| inline void |
| __valarray_copy(const _Tp* __restrict__ __src, size_t __n, |
| const size_t* __restrict__ __i, |
| _Tp* __restrict__ __dst, const size_t* __restrict__ __j) |
| { |
| for (size_t __k = 0; __k < __n; ++__k) |
| __dst[*__j++] = __src[*__i++]; |
| } |
| |
| // |
| // Compute the sum of elements in range [__f, __l) |
| // This is a naive algorithm. It suffers from cancelling. |
| // In the future try to specialize |
| // for _Tp = float, double, long double using a more accurate |
| // algorithm. |
| // |
| template<typename _Tp> |
| inline _Tp |
| __valarray_sum(const _Tp* __f, const _Tp* __l) |
| { |
| _Tp __r = _Tp(); |
| while (__f != __l) |
| __r += *__f++; |
| return __r; |
| } |
| |
| // Compute the product of all elements in range [__f, __l) |
| template<typename _Tp> |
| inline _Tp |
| __valarray_product(const _Tp* __f, const _Tp* __l) |
| { |
| _Tp __r = _Tp(1); |
| while (__f != __l) |
| __r = __r * *__f++; |
| return __r; |
| } |
| |
| // Compute the min/max of an array-expression |
| template<typename _Ta> |
| inline typename _Ta::value_type |
| __valarray_min(const _Ta& __a) |
| { |
| size_t __s = __a.size(); |
| typedef typename _Ta::value_type _Value_type; |
| _Value_type __r = __s == 0 ? _Value_type() : __a[0]; |
| for (size_t __i = 1; __i < __s; ++__i) |
| { |
| _Value_type __t = __a[__i]; |
| if (__t < __r) |
| __r = __t; |
| } |
| return __r; |
| } |
| |
| template<typename _Ta> |
| inline typename _Ta::value_type |
| __valarray_max(const _Ta& __a) |
| { |
| size_t __s = __a.size(); |
| typedef typename _Ta::value_type _Value_type; |
| _Value_type __r = __s == 0 ? _Value_type() : __a[0]; |
| for (size_t __i = 1; __i < __s; ++__i) |
| { |
| _Value_type __t = __a[__i]; |
| if (__t > __r) |
| __r = __t; |
| } |
| return __r; |
| } |
| |
| // |
| // Helper class _Array, first layer of valarray abstraction. |
| // All operations on valarray should be forwarded to this class |
| // whenever possible. -- gdr |
| // |
| |
| template<typename _Tp> |
| struct _Array |
| { |
| explicit _Array(size_t); |
| explicit _Array(_Tp* const __restrict__); |
| explicit _Array(const valarray<_Tp>&); |
| _Array(const _Tp* __restrict__, size_t); |
| |
| _Tp* begin() const; |
| |
| _Tp* const __restrict__ _M_data; |
| }; |
| |
| |
| // Copy-construct plain array __b[<__n>] from indexed array __a[__i[<__n>]] |
| template<typename _Tp> |
| inline void |
| __valarray_copy_construct(_Array<_Tp> __a, _Array<size_t> __i, |
| _Array<_Tp> __b, size_t __n) |
| { std::__valarray_copy_construct(__a._M_data, __i._M_data, |
| __b._M_data, __n); } |
| |
| // Copy-construct plain array __b[<__n>] from strided array __a[<__n : __s>] |
| template<typename _Tp> |
| inline void |
| __valarray_copy_construct(_Array<_Tp> __a, size_t __n, size_t __s, |
| _Array<_Tp> __b) |
| { std::__valarray_copy_construct(__a._M_data, __n, __s, __b._M_data); } |
| |
| template<typename _Tp> |
| inline void |
| __valarray_fill (_Array<_Tp> __a, size_t __n, const _Tp& __t) |
| { std::__valarray_fill(__a._M_data, __n, __t); } |
| |
| template<typename _Tp> |
| inline void |
| __valarray_fill(_Array<_Tp> __a, size_t __n, size_t __s, const _Tp& __t) |
| { std::__valarray_fill(__a._M_data, __n, __s, __t); } |
| |
| template<typename _Tp> |
| inline void |
| __valarray_fill(_Array<_Tp> __a, _Array<size_t> __i, |
| size_t __n, const _Tp& __t) |
| { std::__valarray_fill(__a._M_data, __i._M_data, __n, __t); } |
| |
| // Copy a plain array __a[<__n>] into a play array __b[<>] |
| template<typename _Tp> |
| inline void |
| __valarray_copy(_Array<_Tp> __a, size_t __n, _Array<_Tp> __b) |
| { std::__valarray_copy(__a._M_data, __n, __b._M_data); } |
| |
| // Copy strided array __a[<__n : __s>] in plain __b[<__n>] |
| template<typename _Tp> |
| inline void |
| __valarray_copy(_Array<_Tp> __a, size_t __n, size_t __s, _Array<_Tp> __b) |
| { std::__valarray_copy(__a._M_data, __n, __s, __b._M_data); } |
| |
| // Copy a plain array __a[<__n>] into a strided array __b[<__n : __s>] |
| template<typename _Tp> |
| inline void |
| __valarray_copy(_Array<_Tp> __a, _Array<_Tp> __b, size_t __n, size_t __s) |
| { __valarray_copy(__a._M_data, __b._M_data, __n, __s); } |
| |
| // Copy strided array __src[<__n : __s1>] into another |
| // strided array __dst[< : __s2>]. Their sizes must match. |
| template<typename _Tp> |
| inline void |
| __valarray_copy(_Array<_Tp> __a, size_t __n, size_t __s1, |
| _Array<_Tp> __b, size_t __s2) |
| { std::__valarray_copy(__a._M_data, __n, __s1, __b._M_data, __s2); } |
| |
| // Copy an indexed array __a[__i[<__n>]] in plain array __b[<__n>] |
| template<typename _Tp> |
| inline void |
| __valarray_copy(_Array<_Tp> __a, _Array<size_t> __i, |
| _Array<_Tp> __b, size_t __n) |
| { std::__valarray_copy(__a._M_data, __i._M_data, __b._M_data, __n); } |
| |
| // Copy a plain array __a[<__n>] in an indexed array __b[__i[<__n>]] |
| template<typename _Tp> |
| inline void |
| __valarray_copy(_Array<_Tp> __a, size_t __n, _Array<_Tp> __b, |
| _Array<size_t> __i) |
| { std::__valarray_copy(__a._M_data, __n, __b._M_data, __i._M_data); } |
| |
| // Copy the __n first elements of an indexed array __src[<__i>] into |
| // another indexed array __dst[<__j>]. |
| template<typename _Tp> |
| inline void |
| __valarray_copy(_Array<_Tp> __src, size_t __n, _Array<size_t> __i, |
| _Array<_Tp> __dst, _Array<size_t> __j) |
| { |
| std::__valarray_copy(__src._M_data, __n, __i._M_data, |
| __dst._M_data, __j._M_data); |
| } |
| |
| template<typename _Tp> |
| inline |
| _Array<_Tp>::_Array(size_t __n) |
| : _M_data(__valarray_get_storage<_Tp>(__n)) |
| { std::__valarray_default_construct(_M_data, _M_data + __n); } |
| |
| template<typename _Tp> |
| inline |
| _Array<_Tp>::_Array(_Tp* const __restrict__ __p) |
| : _M_data (__p) {} |
| |
| template<typename _Tp> |
| inline |
| _Array<_Tp>::_Array(const valarray<_Tp>& __v) |
| : _M_data (__v._M_data) {} |
| |
| template<typename _Tp> |
| inline |
| _Array<_Tp>::_Array(const _Tp* __restrict__ __b, size_t __s) |
| : _M_data(__valarray_get_storage<_Tp>(__s)) |
| { std::__valarray_copy_construct(__b, __s, _M_data); } |
| |
| template<typename _Tp> |
| inline _Tp* |
| _Array<_Tp>::begin () const |
| { return _M_data; } |
| |
| #define _DEFINE_ARRAY_FUNCTION(_Op, _Name) \ |
| template<typename _Tp> \ |
| inline void \ |
| _Array_augmented_##_Name(_Array<_Tp> __a, size_t __n, const _Tp& __t) \ |
| { \ |
| for (_Tp* __p = __a._M_data; __p < __a._M_data + __n; ++__p) \ |
| *__p _Op##= __t; \ |
| } \ |
| \ |
| template<typename _Tp> \ |
| inline void \ |
| _Array_augmented_##_Name(_Array<_Tp> __a, size_t __n, _Array<_Tp> __b) \ |
| { \ |
| _Tp* __p = __a._M_data; \ |
| for (_Tp* __q = __b._M_data; __q < __b._M_data + __n; ++__p, ++__q) \ |
| *__p _Op##= *__q; \ |
| } \ |
| \ |
| template<typename _Tp, class _Dom> \ |
| void \ |
| _Array_augmented_##_Name(_Array<_Tp> __a, \ |
| const _Expr<_Dom, _Tp>& __e, size_t __n) \ |
| { \ |
| _Tp* __p(__a._M_data); \ |
| for (size_t __i = 0; __i < __n; ++__i, ++__p) \ |
| *__p _Op##= __e[__i]; \ |
| } \ |
| \ |
| template<typename _Tp> \ |
| inline void \ |
| _Array_augmented_##_Name(_Array<_Tp> __a, size_t __n, size_t __s, \ |
| _Array<_Tp> __b) \ |
| { \ |
| _Tp* __q(__b._M_data); \ |
| for (_Tp* __p = __a._M_data; __p < __a._M_data + __s * __n; \ |
| __p += __s, ++__q) \ |
| *__p _Op##= *__q; \ |
| } \ |
| \ |
| template<typename _Tp> \ |
| inline void \ |
| _Array_augmented_##_Name(_Array<_Tp> __a, _Array<_Tp> __b, \ |
| size_t __n, size_t __s) \ |
| { \ |
| _Tp* __q(__b._M_data); \ |
| for (_Tp* __p = __a._M_data; __p < __a._M_data + __n; \ |
| ++__p, __q += __s) \ |
| *__p _Op##= *__q; \ |
| } \ |
| \ |
| template<typename _Tp, class _Dom> \ |
| void \ |
| _Array_augmented_##_Name(_Array<_Tp> __a, size_t __s, \ |
| const _Expr<_Dom, _Tp>& __e, size_t __n) \ |
| { \ |
| _Tp* __p(__a._M_data); \ |
| for (size_t __i = 0; __i < __n; ++__i, __p += __s) \ |
| *__p _Op##= __e[__i]; \ |
| } \ |
| \ |
| template<typename _Tp> \ |
| inline void \ |
| _Array_augmented_##_Name(_Array<_Tp> __a, _Array<size_t> __i, \ |
| _Array<_Tp> __b, size_t __n) \ |
| { \ |
| _Tp* __q(__b._M_data); \ |
| for (size_t* __j = __i._M_data; __j < __i._M_data + __n; \ |
| ++__j, ++__q) \ |
| __a._M_data[*__j] _Op##= *__q; \ |
| } \ |
| \ |
| template<typename _Tp> \ |
| inline void \ |
| _Array_augmented_##_Name(_Array<_Tp> __a, size_t __n, \ |
| _Array<_Tp> __b, _Array<size_t> __i) \ |
| { \ |
| _Tp* __p(__a._M_data); \ |
| for (size_t* __j = __i._M_data; __j<__i._M_data + __n; \ |
| ++__j, ++__p) \ |
| *__p _Op##= __b._M_data[*__j]; \ |
| } \ |
| \ |
| template<typename _Tp, class _Dom> \ |
| void \ |
| _Array_augmented_##_Name(_Array<_Tp> __a, _Array<size_t> __i, \ |
| const _Expr<_Dom, _Tp>& __e, size_t __n) \ |
| { \ |
| size_t* __j(__i._M_data); \ |
| for (size_t __k = 0; __k<__n; ++__k, ++__j) \ |
| __a._M_data[*__j] _Op##= __e[__k]; \ |
| } \ |
| \ |
| template<typename _Tp> \ |
| void \ |
| _Array_augmented_##_Name(_Array<_Tp> __a, _Array<bool> __m, \ |
| _Array<_Tp> __b, size_t __n) \ |
| { \ |
| bool* __ok(__m._M_data); \ |
| _Tp* __p(__a._M_data); \ |
| for (_Tp* __q = __b._M_data; __q < __b._M_data + __n; \ |
| ++__q, ++__ok, ++__p) \ |
| { \ |
| while (! *__ok) \ |
| { \ |
| ++__ok; \ |
| ++__p; \ |
| } \ |
| *__p _Op##= *__q; \ |
| } \ |
| } \ |
| \ |
| template<typename _Tp> \ |
| void \ |
| _Array_augmented_##_Name(_Array<_Tp> __a, size_t __n, \ |
| _Array<_Tp> __b, _Array<bool> __m) \ |
| { \ |
| bool* __ok(__m._M_data); \ |
| _Tp* __q(__b._M_data); \ |
| for (_Tp* __p = __a._M_data; __p < __a._M_data + __n; \ |
| ++__p, ++__ok, ++__q) \ |
| { \ |
| while (! *__ok) \ |
| { \ |
| ++__ok; \ |
| ++__q; \ |
| } \ |
| *__p _Op##= *__q; \ |
| } \ |
| } \ |
| \ |
| template<typename _Tp, class _Dom> \ |
| void \ |
| _Array_augmented_##_Name(_Array<_Tp> __a, _Array<bool> __m, \ |
| const _Expr<_Dom, _Tp>& __e, size_t __n) \ |
| { \ |
| bool* __ok(__m._M_data); \ |
| _Tp* __p(__a._M_data); \ |
| for (size_t __i = 0; __i < __n; ++__i, ++__ok, ++__p) \ |
| { \ |
| while (! *__ok) \ |
| { \ |
| ++__ok; \ |
| ++__p; \ |
| } \ |
| *__p _Op##= __e[__i]; \ |
| } \ |
| } |
| |
| _DEFINE_ARRAY_FUNCTION(+, __plus) |
| _DEFINE_ARRAY_FUNCTION(-, __minus) |
| _DEFINE_ARRAY_FUNCTION(*, __multiplies) |
| _DEFINE_ARRAY_FUNCTION(/, __divides) |
| _DEFINE_ARRAY_FUNCTION(%, __modulus) |
| _DEFINE_ARRAY_FUNCTION(^, __bitwise_xor) |
| _DEFINE_ARRAY_FUNCTION(|, __bitwise_or) |
| _DEFINE_ARRAY_FUNCTION(&, __bitwise_and) |
| _DEFINE_ARRAY_FUNCTION(<<, __shift_left) |
| _DEFINE_ARRAY_FUNCTION(>>, __shift_right) |
| |
| #undef _DEFINE_ARRAY_FUNCTION |
| |
| _GLIBCXX_END_NAMESPACE_VERSION |
| } // namespace |
| |
| # include <bits/valarray_array.tcc> |
| |
| #endif /* _ARRAY_H */ |
