namespace std {
template<class T> class valarray {
public:
using value_type = T;
valarray();
explicit valarray(size_t);
valarray(const T&, size_t);
valarray(const T*, size_t);
valarray(const valarray&);
valarray(valarray&&) noexcept;
valarray(const slice_array<T>&);
valarray(const gslice_array<T>&);
valarray(const mask_array<T>&);
valarray(const indirect_array<T>&);
valarray(initializer_list<T>);
~valarray();
valarray& operator=(const valarray&);
valarray& operator=(valarray&&) noexcept;
valarray& operator=(initializer_list<T>);
valarray& operator=(const T&);
valarray& operator=(const slice_array<T>&);
valarray& operator=(const gslice_array<T>&);
valarray& operator=(const mask_array<T>&);
valarray& operator=(const indirect_array<T>&);
const T& operator[](size_t) const;
T& operator[](size_t);
valarray operator[](slice) const;
slice_array<T> operator[](slice);
valarray operator[](const gslice&) const;
gslice_array<T> operator[](const gslice&);
valarray operator[](const valarray<bool>&) const;
mask_array<T> operator[](const valarray<bool>&);
valarray operator[](const valarray<size_t>&) const;
indirect_array<T> operator[](const valarray<size_t>&);
valarray operator+() const;
valarray operator-() const;
valarray operator~() const;
valarray<bool> operator!() const;
valarray& operator*= (const T&);
valarray& operator/= (const T&);
valarray& operator%= (const T&);
valarray& operator+= (const T&);
valarray& operator-= (const T&);
valarray& operator^= (const T&);
valarray& operator&= (const T&);
valarray& operator|= (const T&);
valarray& operator<<=(const T&);
valarray& operator>>=(const T&);
valarray& operator*= (const valarray&);
valarray& operator/= (const valarray&);
valarray& operator%= (const valarray&);
valarray& operator+= (const valarray&);
valarray& operator-= (const valarray&);
valarray& operator^= (const valarray&);
valarray& operator|= (const valarray&);
valarray& operator&= (const valarray&);
valarray& operator<<=(const valarray&);
valarray& operator>>=(const valarray&);
void swap(valarray&) noexcept;
size_t size() const;
T sum() const;
T min() const;
T max() const;
valarray shift (int) const;
valarray cshift(int) const;
valarray apply(T func(T)) const;
valarray apply(T func(const T&)) const;
void resize(size_t sz, T c = T());
};
template<class T, size_t cnt> valarray(const T(&)[cnt], size_t) -> valarray<T>;
}
The
class template
valarray<T>
is a
one-dimensional smart array, with elements numbered sequentially from zero
.It is a representation of the mathematical concept
of an ordered set of values
.For convenience, an object of type
valarray<T> is referred
to as an “array” throughout the remainder of
[numarray].The illusion of higher dimensionality
may be produced by the familiar idiom of computed indices, together
with the powerful subsetting capabilities provided
by the generalized subscript operators
.