dVectorN

dVectorN is the dynamic storage container storing variable length vector of double values. The size of the vector can be set during run time.

The data inside of the dVectorN container is manipulated using a number of dedicated methods:

Constructors

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dVectorN();
Default constructor. Creates empty vector.

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dVectorN(const size_t size_in): storage(size_in, 0.0);
Constructor. Creates the vector of the given size and sets its components to zero.

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dVectorN(const size_t size_in, const double value);
Constructor. Creates the vector of the given size and sets its components to the given value.

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dVectorN(const dVectorN& rhs);
Copy constructor. Initializes current vector with the copy of the rhs vector.

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dVectorN(const std::vector<double>& vec);
Constructor. Initializes the current vector with the content of the std::vector<>.

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dVectorN(std::initializer_list<double> vecinit);
Constructor. Initializes the current vector with the content of the std::initializer_list<>.

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void set_to_zero();
Sets all component of the current vector to the zero.

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void set_to_value(const double value);
Sets all component of the current vector to the given value.

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void Allocate(const size_t size_in);
Allocates the storage of the current vector to the given size.

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void push_back(const double value);
Append new vector component at the back of the current vector. Increases vector size by 1.

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static dVectorN ZeroVector(size_t size_in);
Returns vector of the given size with all its element set to zero.

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static dVectorN UnitVector(size_t size_in);
Returns vector with the given size with all its element set to one.

Access operators

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double& operator[](const size_t i):
Random access operator. Returns the reference to the vector component pointer to by the index i.

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double const& operator[](const size_t i) const;
Random access operator. Returns const reference to the vector component pointer to by the index i.

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double* data(void);
Returns pointer to the stored data.

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const double* data(void) const;
Returns const pointer to the stored data.

Arithmetic and matrix-vector operations

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double norm() const;
Returns the norm of the current vector.

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double sum() const;
Returns the sum of all elements of the current vector.

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double max() const;
Returns the maximum of all elements of the current vector.

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double absMax() const;
Returns the maximum (by the absolute value) of all elements of the current vector.

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double Average() const;
Returns the average of all elements of the current vector.

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void normalize();
Normalizes the current vector.

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dVectorN& pow(double exponent);
Rises all elements of the current vector to the given exponent.

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dVectorN& sqrt();
Takes the square roots of all current vector components.

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dVectorN sqrted() const;
Returns the copy of the current vector with the square roots of all its components.

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dVectorN& tanh();
Takes hyperbolic tangent of all current vector components.

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dVectorN& fabs();
Applies absolute value to all current vector components.

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dVectorN fabsd();
Returns the copy of the current vector with the absolute values of all its components.

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double dot(const dVectorN& rhs) const;
Dot product of the two vectors.

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dVectorN& min(const dVectorN& rhs);
Replaces the elements of the current vector with the minimum elements between the two vectors.

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dVectorN minimized(const dVectorN& rhs) const;
Returns vector containing minimum elements between the two vectors.

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dVectorN& max(const dVectorN& rhs);
Replaces the elements of the current vector with the maximum elements between the two vectors.

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dVectorN maximized(const dVectorN& rhs) const;
Returns vector containing maximum elements between the two vectors.

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dVectorN& min(double scalar);
Applies upper value limit, set by the scalar factor, to all elements of the current vector.

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dVectorN minimized(double scalar) const;
Returns vector containing the elements of the current vector with upper value limit, set by the scalar factor, applied to all elements.

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dVectorN& max(double scalar);
Applies lower value limit, set by the scalar factor, to all elements of the current vector

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dVectorN maximized(double scalar) const;
Returns vector containing the elements of the current vector with lower value limit, set by the scalar factor, applied to all elements.

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dVectorN& operator=(const dVectorN& rhs);
Assigns the copy of the rhs to the current vector.

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dVectorN operator*(const double m) const;
Returns the copy of the current vector with all its components multiplied by the value m.

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dVectorN operator/(const double m) const;
Returns the copy of the current vector with all its components divided by the value m.

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dVectorN& operator*=(const double m);
Multiplies all elements of the current vector by the value m.

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dVectorN& operator/=(const double m);
Divides all elements of the current vector by the value m.

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dVectorN operator+(const dVectorN& rhs) const;
Returns the sum of the current vector and the rhs.

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dVectorN operator-(const dVectorN& rhs) const;
Returns the difference of the current vector and the rhs.

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dVectorN operator*(const dVectorN& rhs) const;
Returns a copy of the current vector component-wise multiplied with the rhs (non-standard operator).

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dVectorN operator/(const dVectorN& rhs) const;
Returns a copy of the current vector component-wise divided by the rhs (non-standard operator).

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dVectorN& operator+=( const dVectorN& rhs);
Adds rhs vector to the current vector.

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dVectorN& operator-=(const dVectorN& rhs);
Subtracts rhs vector from the current vector.

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dVectorN& operator/=(const dVectorN& rhs);
Returns component-wise division of the current vector and the rhs (non-standard operator).

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dVectorN& operator*=(const dVectorN& rhs);
Returns component-wise product of the current vector and the rhs (non-standard operator).

Container properties

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size_t size(void) const;
Returns the size of the vector.

Read/write methods

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std::string print(void) const;
Returns formatted string with vector content.

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void read_binary(std::istream& inp);
Reads vector content from the binary input stream.

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void write_binary(std::ostream& outp) const;
Writes vector content into the binary output stream.

Iterators

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iterator begin();
Iterator to the begin of the vector.

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citerator cbegin() const;
Constant iterator to the begin of the vector.

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iterator end();
Iterator to the end of the vector.

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citerator cend() const;
Constant iterator to the end of the vector.

dVectorN ​

Constructors ​

Access operators ​

Arithmetic and matrix-vector operations ​

Container properties ​

Read/write methods ​