31#ifndef _GLIBCXX_VALARRAY
32#define _GLIBCXX_VALARRAY 1
34#pragma GCC system_header
42#if __cplusplus >= 201103L
46namespace std _GLIBCXX_VISIBILITY(default)
48_GLIBCXX_BEGIN_NAMESPACE_VERSION
50 template<
class _Clos,
typename _Tp>
53 template<
typename _Tp1,
typename _Tp2>
58 template<
class _Oper,
template<
class,
class>
class _Meta,
class _Dom>
62 template<
class,
class>
class _Meta1,
63 template<
class,
class>
class _Meta2,
64 class _Dom1,
class _Dom2>
67 template<
template<
class,
class>
class _Meta,
class _Dom>
70 template<
template<
class,
class>
class _Meta,
class _Dom>
73 template<
template<
class,
class>
class _Meta,
class _Dom>
76 template<
template<
class,
class>
class _Meta,
class _Dom>
79 template<
template<
class,
class>
class _Meta,
class _Dom>
83 using __detail::_UnClos;
84 using __detail::_BinClos;
85 using __detail::_SClos;
86 using __detail::_GClos;
87 using __detail::_IClos;
88 using __detail::_ValFunClos;
89 using __detail::_RefFunClos;
91 template<
class _Tp>
class valarray;
93 template<
class _Tp>
class slice_array;
95 template<
class _Tp>
class gslice_array;
96 template<
class _Tp>
class mask_array;
97 template<
class _Tp>
class indirect_array;
99_GLIBCXX_END_NAMESPACE_VERSION
105namespace std _GLIBCXX_VISIBILITY(default)
107_GLIBCXX_BEGIN_NAMESPACE_VERSION
134 typedef typename __fun<_Op, _Tp>::result_type __rt;
135 typedef _Expr<_UnClos<_Op, _ValArray, _Tp>, __rt> _Rt;
138 typedef _Tp value_type;
156#if __cplusplus >= 201103L
173#if __cplusplus >= 201103L
179 valarray(
const _Expr<_Dom, _Tp>& __e);
193#if __cplusplus >= 201103L
253#if __cplusplus >= 201103L
279 const _Tp&
operator[](
size_t)
const _GLIBCXX_NOTHROW;
368 _Expr<_IClos<_ValArray, _Tp>, _Tp>
393 typename _UnaryOp<__bitwise_not>::_Rt
operator~()
const;
396 typename _UnaryOp<__logical_not>::_Rt
operator!()
const;
481#if __cplusplus >= 201103L
547 _Expr<_ValFunClos<_ValArray, _Tp>, _Tp>
apply(_Tp __func(_Tp))
const;
559 _Expr<_RefFunClos<_ValArray, _Tp>, _Tp>
apply(_Tp __func(
const _Tp&))
const;
570 void resize(
size_t __size, _Tp __c = _Tp());
574 _Tp* __restrict__ _M_data;
576 friend struct _Array<_Tp>;
579#if __cpp_deduction_guides >= 201606
580 template<
typename _Tp,
size_t _Nm>
584 template<
typename _Tp>
588 __glibcxx_requires_subscript(__i);
592 template<
typename _Tp>
596 __glibcxx_requires_subscript(__i);
602_GLIBCXX_END_NAMESPACE_VERSION
612namespace std _GLIBCXX_VISIBILITY(default)
614_GLIBCXX_BEGIN_NAMESPACE_VERSION
621 template<
typename _Tp>
625 template<
typename _Tp>
628 : _M_size(__n), _M_data(__valarray_get_storage<_Tp>(__n))
629 { std::__valarray_default_construct(_M_data, _M_data + __n); }
631 template<
typename _Tp>
634 : _M_size(__n), _M_data(__valarray_get_storage<_Tp>(__n))
635 { std::__valarray_fill_construct(_M_data, _M_data + __n, __t); }
637 template<
typename _Tp>
640 : _M_size(__n), _M_data(__valarray_get_storage<_Tp>(__n))
642 __glibcxx_assert(__p != 0 || __n == 0);
643 std::__valarray_copy_construct(__p, __p + __n, _M_data);
646 template<
typename _Tp>
649 : _M_size(__v._M_size), _M_data(__valarray_get_storage<_Tp>(__v._M_size))
650 { std::__valarray_copy_construct(__v._M_data, __v._M_data + _M_size,
653#if __cplusplus >= 201103L
654 template<
typename _Tp>
657 : _M_size(__v._M_size), _M_data(__v._M_data)
664 template<
typename _Tp>
667 : _M_size(__sa._M_sz), _M_data(__valarray_get_storage<_Tp>(__sa._M_sz))
669 std::__valarray_copy_construct
670 (__sa._M_array, __sa._M_sz, __sa._M_stride, _Array<_Tp>(_M_data));
673 template<
typename _Tp>
676 : _M_size(__ga._M_index.
size()),
677 _M_data(__valarray_get_storage<_Tp>(_M_size))
679 std::__valarray_copy_construct
680 (__ga._M_array, _Array<size_t>(__ga._M_index),
681 _Array<_Tp>(_M_data), _M_size);
684 template<
typename _Tp>
687 : _M_size(__ma._M_sz), _M_data(__valarray_get_storage<_Tp>(__ma._M_sz))
689 std::__valarray_copy_construct
690 (__ma._M_array, __ma._M_mask, _Array<_Tp>(_M_data), _M_size);
693 template<
typename _Tp>
696 : _M_size(__ia._M_sz), _M_data(__valarray_get_storage<_Tp>(__ia._M_sz))
698 std::__valarray_copy_construct
699 (__ia._M_array, __ia._M_index, _Array<_Tp>(_M_data), _M_size);
702#if __cplusplus >= 201103L
703 template<
typename _Tp>
706 : _M_size(__l.
size()), _M_data(__valarray_get_storage<_Tp>(__l.
size()))
707 { std::__valarray_copy_construct(__l.begin(), __l.end(), _M_data); }
710 template<
typename _Tp>
template<
class _Dom>
713 : _M_size(__e.
size()), _M_data(__valarray_get_storage<_Tp>(_M_size))
714 { std::__valarray_copy_construct(__e, _M_size, _Array<_Tp>(_M_data)); }
716 template<
typename _Tp>
718 valarray<_Tp>::~valarray() _GLIBCXX_NOEXCEPT
720 std::__valarray_destroy_elements(_M_data, _M_data + _M_size);
721 std::__valarray_release_memory(_M_data);
724 template<
typename _Tp>
725 inline valarray<_Tp>&
730 if (_M_size == __v._M_size)
731 std::__valarray_copy(__v._M_data, _M_size, _M_data);
736 std::__valarray_destroy_elements(_M_data, _M_data + _M_size);
737 std::__valarray_release_memory(_M_data);
739 _M_size = __v._M_size;
740 _M_data = __valarray_get_storage<_Tp>(_M_size);
741 std::__valarray_copy_construct(__v._M_data, __v._M_data + _M_size,
747#if __cplusplus >= 201103L
748 template<
typename _Tp>
754 std::__valarray_destroy_elements(_M_data, _M_data + _M_size);
755 std::__valarray_release_memory(_M_data);
757 _M_size = __v._M_size;
758 _M_data = __v._M_data;
764 template<
typename _Tp>
770 if (_M_size == __l.size())
771 std::__valarray_copy(__l.begin(), __l.size(), _M_data);
776 std::__valarray_destroy_elements(_M_data, _M_data + _M_size);
777 std::__valarray_release_memory(_M_data);
779 _M_size = __l.size();
780 _M_data = __valarray_get_storage<_Tp>(_M_size);
781 std::__valarray_copy_construct(__l.begin(), __l.begin() + _M_size,
788 template<
typename _Tp>
792 std::__valarray_fill(_M_data, _M_size, __t);
796 template<
typename _Tp>
800 __glibcxx_assert(_M_size == __sa._M_sz);
801 std::__valarray_copy(__sa._M_array, __sa._M_sz,
802 __sa._M_stride, _Array<_Tp>(_M_data));
806 template<
typename _Tp>
810 __glibcxx_assert(_M_size == __ga._M_index.
size());
811 std::__valarray_copy(__ga._M_array, _Array<size_t>(__ga._M_index),
812 _Array<_Tp>(_M_data), _M_size);
816 template<
typename _Tp>
820 __glibcxx_assert(_M_size == __ma._M_sz);
821 std::__valarray_copy(__ma._M_array, __ma._M_mask,
822 _Array<_Tp>(_M_data), _M_size);
826 template<
typename _Tp>
830 __glibcxx_assert(_M_size == __ia._M_sz);
831 std::__valarray_copy(__ia._M_array, __ia._M_index,
832 _Array<_Tp>(_M_data), _M_size);
836 template<
typename _Tp>
template<
class _Dom>
842 if (_M_size == __e.size())
847 for (
size_t __i = 0; __i < _M_size; ++__i)
848 _M_data[__i] = __e[__i];
854 std::__valarray_destroy_elements(_M_data, _M_data + _M_size);
855 std::__valarray_release_memory(_M_data);
857 _M_size = __e.size();
858 _M_data = __valarray_get_storage<_Tp>(_M_size);
859 std::__valarray_copy_construct(__e, _M_size, _Array<_Tp>(_M_data));
864 template<
typename _Tp>
865 inline _Expr<_SClos<_ValArray,_Tp>, _Tp>
868 typedef _SClos<_ValArray,_Tp> _Closure;
869 return _Expr<_Closure, _Tp>(_Closure (_Array<_Tp>(_M_data), __s));
872 template<
typename _Tp>
877 template<
typename _Tp>
878 inline _Expr<_GClos<_ValArray,_Tp>, _Tp>
881 typedef _GClos<_ValArray,_Tp> _Closure;
882 return _Expr<_Closure, _Tp>
883 (_Closure(_Array<_Tp>(_M_data), __gs._M_index->_M_index));
886 template<
typename _Tp>
891 (_Array<_Tp>(_M_data), __gs._M_index->_M_index);
894 template<
typename _Tp>
899 size_t __e = __m.
size();
900 for (
size_t __i=0; __i<__e; ++__i)
902 __glibcxx_assert(__s <= _M_size);
904 _Array<bool> (__m)));
907 template<
typename _Tp>
912 size_t __e = __m.
size();
913 for (
size_t __i=0; __i<__e; ++__i)
915 __glibcxx_assert(__s <= _M_size);
919 template<
typename _Tp>
920 inline _Expr<_IClos<_ValArray,_Tp>, _Tp>
923 typedef _IClos<_ValArray,_Tp> _Closure;
924 return _Expr<_Closure, _Tp>(_Closure(*
this, __i));
927 template<
typename _Tp>
932 _Array<size_t>(__i));
935#if __cplusplus >= 201103L
940 std::swap(_M_size, __v._M_size);
941 std::swap(_M_data, __v._M_data);
954 __glibcxx_assert(_M_size > 0);
955 return std::__valarray_sum(_M_data, _M_data + _M_size);
967 _Tp* __restrict__ __tmp_M_data =
968 std::__valarray_get_storage<_Tp>(_M_size);
971 std::__valarray_copy_construct(_M_data,
972 _M_data + _M_size, __tmp_M_data);
975 if (
size_t(__n) > _M_size)
978 std::__valarray_copy_construct(_M_data + __n,
979 _M_data + _M_size, __tmp_M_data);
980 std::__valarray_default_construct(__tmp_M_data + _M_size - __n,
981 __tmp_M_data + _M_size);
985 if (-
size_t(__n) > _M_size)
988 std::__valarray_copy_construct(_M_data, _M_data + _M_size + __n,
990 std::__valarray_default_construct(__tmp_M_data,
994 __ret._M_size = _M_size;
995 __ret._M_data = __tmp_M_data;
1008 _Tp* __restrict__ __tmp_M_data =
1009 std::__valarray_get_storage<_Tp>(_M_size);
1012 std::__valarray_copy_construct(_M_data,
1013 _M_data + _M_size, __tmp_M_data);
1016 if (
size_t(__n) > _M_size)
1017 __n = int(__n % _M_size);
1019 std::__valarray_copy_construct(_M_data, _M_data + __n,
1020 __tmp_M_data + _M_size - __n);
1021 std::__valarray_copy_construct(_M_data + __n, _M_data + _M_size,
1026 if (-
size_t(__n) > _M_size)
1027 __n = -int(-
size_t(__n) % _M_size);
1029 std::__valarray_copy_construct(_M_data + _M_size + __n,
1030 _M_data + _M_size, __tmp_M_data);
1031 std::__valarray_copy_construct(_M_data, _M_data + _M_size + __n,
1032 __tmp_M_data - __n);
1035 __ret._M_size = _M_size;
1036 __ret._M_data = __tmp_M_data;
1047 std::__valarray_destroy_elements(_M_data, _M_data + _M_size);
1050 std::__valarray_release_memory(_M_data);
1052 _M_data = __valarray_get_storage<_Tp>(__n);
1054 std::__valarray_fill_construct(_M_data, _M_data + __n, __c);
1057 template<
typename _Tp>
1061 __glibcxx_assert(_M_size > 0);
1062 return *std::min_element(_M_data, _M_data + _M_size);
1065 template<
typename _Tp>
1069 __glibcxx_assert(_M_size > 0);
1070 return *std::max_element(_M_data, _M_data + _M_size);
1074 inline _Expr<_ValFunClos<_ValArray, _Tp>, _Tp>
1077 typedef _ValFunClos<_ValArray, _Tp> _Closure;
1078 return _Expr<_Closure, _Tp>(_Closure(*
this, __func));
1082 inline _Expr<_RefFunClos<_ValArray, _Tp>, _Tp>
1085 typedef _RefFunClos<_ValArray, _Tp> _Closure;
1086 return _Expr<_Closure, _Tp>(_Closure(*
this, __func));
1090#define _DEFINE_VALARRAY_UNARY_OPERATOR(_Op, _Name) \
1091 template<typename _Tp> \
1092 inline typename valarray<_Tp>::template _UnaryOp<_Name>::_Rt \
1093 valarray<_Tp>::operator _Op() const \
1095 typedef _UnClos<_Name, _ValArray, _Tp> _Closure; \
1096 typedef typename __fun<_Name, _Tp>::result_type _Rt; \
1097 return _Expr<_Closure, _Rt>(_Closure(*this)); \
1100 _DEFINE_VALARRAY_UNARY_OPERATOR(+, __unary_plus)
1101 _DEFINE_VALARRAY_UNARY_OPERATOR(-, __negate)
1102 _DEFINE_VALARRAY_UNARY_OPERATOR(~, __bitwise_not)
1103 _DEFINE_VALARRAY_UNARY_OPERATOR (!, __logical_not)
1105#undef _DEFINE_VALARRAY_UNARY_OPERATOR
1107#define _DEFINE_VALARRAY_AUGMENTED_ASSIGNMENT(_Op, _Name) \
1108 template<class _Tp> \
1109 inline valarray<_Tp>& \
1110 valarray<_Tp>::operator _Op##=(const _Tp &__t) \
1112 _Array_augmented_##_Name(_Array<_Tp>(_M_data), _M_size, __t); \
1116 template<class _Tp> \
1117 inline valarray<_Tp>& \
1118 valarray<_Tp>::operator _Op##=(const valarray<_Tp> &__v) \
1120 __glibcxx_assert(_M_size == __v._M_size); \
1121 _Array_augmented_##_Name(_Array<_Tp>(_M_data), _M_size, \
1122 _Array<_Tp>(__v._M_data)); \
1126_DEFINE_VALARRAY_AUGMENTED_ASSIGNMENT(+, __plus)
1127_DEFINE_VALARRAY_AUGMENTED_ASSIGNMENT(-, __minus)
1128_DEFINE_VALARRAY_AUGMENTED_ASSIGNMENT(*, __multiplies)
1129_DEFINE_VALARRAY_AUGMENTED_ASSIGNMENT(/, __divides)
1130_DEFINE_VALARRAY_AUGMENTED_ASSIGNMENT(%, __modulus)
1131_DEFINE_VALARRAY_AUGMENTED_ASSIGNMENT(^, __bitwise_xor)
1132_DEFINE_VALARRAY_AUGMENTED_ASSIGNMENT(&, __bitwise_and)
1133_DEFINE_VALARRAY_AUGMENTED_ASSIGNMENT(|, __bitwise_or)
1134_DEFINE_VALARRAY_AUGMENTED_ASSIGNMENT(<<, __shift_left)
1135_DEFINE_VALARRAY_AUGMENTED_ASSIGNMENT(>>, __shift_right)
1137#undef _DEFINE_VALARRAY_AUGMENTED_ASSIGNMENT
1139#define _DEFINE_VALARRAY_EXPR_AUGMENTED_ASSIGNMENT(_Op, _Name) \
1140 template<class _Tp> template<class _Dom> \
1141 inline valarray<_Tp>& \
1142 valarray<_Tp>::operator _Op##=(const _Expr<_Dom, _Tp>& __e) \
1144 _Array_augmented_##_Name(_Array<_Tp>(_M_data), __e, _M_size); \
1148_DEFINE_VALARRAY_EXPR_AUGMENTED_ASSIGNMENT(+, __plus)
1149_DEFINE_VALARRAY_EXPR_AUGMENTED_ASSIGNMENT(-, __minus)
1150_DEFINE_VALARRAY_EXPR_AUGMENTED_ASSIGNMENT(*, __multiplies)
1151_DEFINE_VALARRAY_EXPR_AUGMENTED_ASSIGNMENT(/, __divides)
1152_DEFINE_VALARRAY_EXPR_AUGMENTED_ASSIGNMENT(%, __modulus)
1153_DEFINE_VALARRAY_EXPR_AUGMENTED_ASSIGNMENT(^, __bitwise_xor)
1154_DEFINE_VALARRAY_EXPR_AUGMENTED_ASSIGNMENT(&, __bitwise_and)
1155_DEFINE_VALARRAY_EXPR_AUGMENTED_ASSIGNMENT(|, __bitwise_or)
1156_DEFINE_VALARRAY_EXPR_AUGMENTED_ASSIGNMENT(<<, __shift_left)
1157_DEFINE_VALARRAY_EXPR_AUGMENTED_ASSIGNMENT(>>, __shift_right)
1159#undef _DEFINE_VALARRAY_EXPR_AUGMENTED_ASSIGNMENT
1162#define _DEFINE_BINARY_OPERATOR(_Op, _Name) \
1163 template<typename _Tp> \
1164 inline _Expr<_BinClos<_Name, _ValArray, _ValArray, _Tp, _Tp>, \
1165 typename __fun<_Name, _Tp>::result_type> \
1166 operator _Op(const valarray<_Tp>& __v, const valarray<_Tp>& __w) \
1168 __glibcxx_assert(__v.size() == __w.size()); \
1169 typedef _BinClos<_Name, _ValArray, _ValArray, _Tp, _Tp> _Closure; \
1170 typedef typename __fun<_Name, _Tp>::result_type _Rt; \
1171 return _Expr<_Closure, _Rt>(_Closure(__v, __w)); \
1174 template<typename _Tp> \
1175 inline _Expr<_BinClos<_Name, _ValArray,_Constant, _Tp, _Tp>, \
1176 typename __fun<_Name, _Tp>::result_type> \
1177 operator _Op(const valarray<_Tp>& __v, \
1178 const typename valarray<_Tp>::value_type& __t) \
1180 typedef _BinClos<_Name, _ValArray, _Constant, _Tp, _Tp> _Closure; \
1181 typedef typename __fun<_Name, _Tp>::result_type _Rt; \
1182 return _Expr<_Closure, _Rt>(_Closure(__v, __t)); \
1185 template<typename _Tp> \
1186 inline _Expr<_BinClos<_Name, _Constant, _ValArray, _Tp, _Tp>, \
1187 typename __fun<_Name, _Tp>::result_type> \
1188 operator _Op(const typename valarray<_Tp>::value_type& __t, \
1189 const valarray<_Tp>& __v) \
1191 typedef _BinClos<_Name, _Constant, _ValArray, _Tp, _Tp> _Closure; \
1192 typedef typename __fun<_Name, _Tp>::result_type _Rt; \
1193 return _Expr<_Closure, _Rt>(_Closure(__t, __v)); \
1196_DEFINE_BINARY_OPERATOR(+, __plus)
1197_DEFINE_BINARY_OPERATOR(-, __minus)
1198_DEFINE_BINARY_OPERATOR(*, __multiplies)
1199_DEFINE_BINARY_OPERATOR(/, __divides)
1200_DEFINE_BINARY_OPERATOR(%, __modulus)
1201_DEFINE_BINARY_OPERATOR(^, __bitwise_xor)
1202_DEFINE_BINARY_OPERATOR(&, __bitwise_and)
1203_DEFINE_BINARY_OPERATOR(|, __bitwise_or)
1204_DEFINE_BINARY_OPERATOR(<<, __shift_left)
1205_DEFINE_BINARY_OPERATOR(>>, __shift_right)
1206_DEFINE_BINARY_OPERATOR(&&, __logical_and)
1207_DEFINE_BINARY_OPERATOR(||, __logical_or)
1208_DEFINE_BINARY_OPERATOR(==, __equal_to)
1209_DEFINE_BINARY_OPERATOR(!=, __not_equal_to)
1210_DEFINE_BINARY_OPERATOR(<, __less)
1211_DEFINE_BINARY_OPERATOR(>, __greater)
1212_DEFINE_BINARY_OPERATOR(<=, __less_equal)
1213_DEFINE_BINARY_OPERATOR(>=, __greater_equal)
1215#undef _DEFINE_BINARY_OPERATOR
1218#if __cplusplus >= 201103L
1251 if (
auto __n = __va.size())
1267 if (
auto __n = __va.size())
1276_GLIBCXX_END_NAMESPACE_VERSION
constexpr _Tp * __addressof(_Tp &__r) noexcept
Same as C++11 std::addressof.
valarray< _Tp > & operator=(const mask_array< _Tp > &__ma)
Assign elements to an array subset.
valarray< _Tp > & operator=(valarray< _Tp > &&__v) noexcept
Move assign elements to an array.
_Expr< _RefFunClos< _ValArray, _Tp >, _Tp > apply(_Tp __func(const _Tp &)) const
Apply a function to the array.
mask_array< _Tp > operator[](const valarray< bool > &__m)
Return a reference to an array subset.
_Expr< _GClos< _ValArray, _Tp >, _Tp > operator[](const gslice &__s) const
Return an array subset.
_Expr< _IClos< _ValArray, _Tp >, _Tp > operator[](const valarray< size_t > &__i) const
Return an array subset.
valarray(const mask_array< _Tp > &)
Construct an array with the same size and values in ma.
size_t size() const
Return the number of elements in array.
_Tp min() const
Return the minimum element using operator<().
valarray(const gslice_array< _Tp > &)
Construct an array with the same size and values in ga.
valarray(const indirect_array< _Tp > &)
Construct an array with the same size and values in ia.
_Tp max() const
Return the maximum element using operator<().
valarray< _Tp > cshift(int __n) const
Return a rotated array.
_Expr< _SClos< _ValArray, _Tp >, _Tp > operator[](slice __s) const
Return an array subset.
void swap(valarray< _Tp > &__v) noexcept
Swap.
_Tp & operator[](size_t __i) noexcept
valarray< _Tp > & operator=(const slice_array< _Tp > &__sa)
Assign elements to an array subset.
valarray & operator=(initializer_list< _Tp > __l)
Assign elements to an initializer_list.
valarray< _Tp > & operator=(const _Tp &__t)
Assign elements to a value.
valarray< _Tp > operator[](const valarray< bool > &__m) const
Return an array subset.
void resize(size_t __size, _Tp __c=_Tp())
Resize array.
valarray< _Tp > & operator=(const gslice_array< _Tp > &__ga)
Assign elements to an array subset.
valarray(initializer_list< _Tp >)
Construct an array with an initializer_list of values.
valarray(const slice_array< _Tp > &)
Construct an array with the same size and values in sa.
_Tp sum() const
Return the sum of all elements in the array.
valarray() noexcept
Construct an empty array.
valarray(valarray &&) noexcept
Move constructor.
_Tp * end(valarray< _Tp > &__va) noexcept
Return an iterator pointing to one past the last element of the valarray.
slice_array< _Tp > operator[](slice __s)
Return a reference to an array subset.
valarray< _Tp > & operator=(const indirect_array< _Tp > &__ia)
Assign elements to an array subset.
gslice_array< _Tp > operator[](const gslice &__s)
Return a reference to an array subset.
valarray< _Tp > shift(int __n) const
Return a shifted array.
_Expr< _ValFunClos< _ValArray, _Tp >, _Tp > apply(_Tp __func(_Tp)) const
Apply a function to the array.
_Tp * begin(valarray< _Tp > &__va) noexcept
Return an iterator pointing to the first element of the valarray.
indirect_array< _Tp > operator[](const valarray< size_t > &__i)
Return a reference to an array subset.
valarray< _Tp > & operator=(const valarray< _Tp > &__v)
Assign elements to an array.
ISO C++ entities toplevel namespace is std.
constexpr auto size(const _Container &__cont) noexcept(noexcept(__cont.size())) -> decltype(__cont.size())
Return the size of a container.
Smart array designed to support numeric processing.
valarray< _Tp > & operator^=(const _Tp &)
Set each element e of array to e ^ t.
valarray< _Tp > & operator/=(const _Tp &)
Divide each element of array by t.
valarray< _Tp > & operator|=(const valarray< _Tp > &)
Logical or corresponding elements of v with elements of array.
_UnaryOp< __unary_plus >::_Rt operator+() const
Return a new valarray by applying unary + to each element.
valarray< _Tp > & operator*=(const _Tp &)
Multiply each element of array by t.
_UnaryOp< __logical_not >::_Rt operator!() const
Return a new valarray by applying unary ! to each element.
valarray< _Tp > & operator<<=(const _Tp &)
Left shift each element e of array by t bits.
valarray< _Tp > & operator/=(const valarray< _Tp > &)
Divide elements of array by corresponding elements of v.
valarray< _Tp > & operator-=(const _Tp &)
Subtract t to each element of array.
_UnaryOp< __bitwise_not >::_Rt operator~() const
Return a new valarray by applying unary ~ to each element.
valarray< _Tp > & operator>>=(const _Tp &)
Right shift each element e of array by t bits.
valarray< _Tp > & operator-=(const valarray< _Tp > &)
Subtract corresponding elements of v from elements of array.
valarray< _Tp > & operator%=(const _Tp &)
Set each element e of array to e % t.
valarray< _Tp > & operator+=(const _Tp &)
Add t to each element of array.
valarray< _Tp > & operator>>=(const valarray< _Tp > &)
Right shift elements of array by corresponding elements of v.
valarray< _Tp > & operator+=(const valarray< _Tp > &)
Add corresponding elements of v to elements of array.
valarray< _Tp > & operator^=(const valarray< _Tp > &)
Logical xor corresponding elements of v with elements of array.
valarray< _Tp > & operator&=(const valarray< _Tp > &)
Logical and corresponding elements of v with elements of array.
valarray< _Tp > & operator*=(const valarray< _Tp > &)
Multiply elements of array by corresponding elements of v.
_UnaryOp< __negate >::_Rt operator-() const
Return a new valarray by applying unary - to each element.
valarray< _Tp > & operator%=(const valarray< _Tp > &)
Modulo elements of array by corresponding elements of v.
valarray< _Tp > & operator&=(const _Tp &)
Set each element e of array to e & t.
valarray< _Tp > & operator|=(const _Tp &)
Set each element e of array to e | t.
Reference to one-dimensional subset of an array.
Reference to multi-dimensional subset of an array.
Reference to selected subset of an array.
Reference to arbitrary subset of an array.
Class defining multi-dimensional subset of an array.
Class defining one-dimensional subset of an array.