class vector

Class for arbitrary-length vectors.

Public Fields

Friend functions and overloaded operators

Public Methods

vector(void)

constructor for zero-length (uninitialized) vectors

vector(int n)

constructor for a vector of length n

vector(int n, const double* data)

consructor for a vector of length n, with elements given by data

vector(const double f[3])

constructor for a 3-vector with the given elements

vector(const triple &t)

constructor for a 3-vector equal to t

vector(const vector &v)

copy constructor

~vector(void)

destructor

inline int size(void) const

returns the size of the vector

void resize(int newsize)

resizes the vector, destroying existing contents

void normalize(void)

normalizes the vector so that it is unit-length

void negate(void)

negates the vector

void print(FILE* fp) const

prints the vector to a file

inline void set(const double* d)

sets the vector's elements to the values pointed to by d

inline void setSlice(const vector &v, int n0)

sets vn elements of the vector to v, starting at element n0

inline void setSlice(const double* d, int n0, int len)

sets len elements of the vector to v, starting at element n0

inline void getSlice(int n0, vector &v)

copies vn elements (starting at n0) into v

inline void getSlice(int n0, int len, double* d)

copies len elements (starting at n0) into d

inline double* elem(void)

returns a pointer to the vector's elements

inline const double* elem(void) const

returns a pointer to the vector's elements

inline double& elem(int i)

returns a reference to the i'th element

inline const double& elem(int i) const

returns a reference to the i'th element

member overloaded operators

Documentation

Class for arbitrary-length vectors. Vectors have a small amount of storage space (determined by the constant VECTOR_SPACE) so that small vectors do not require dynamic memory.

vector(void)

constructor for zero-length (uninitialized) vectors

vector(int n)

constructor for a vector of length n

vector(int n, const double* data)

consructor for a vector of length n, with elements given by data

vector(const double f[3])

constructor for a 3-vector with the given elements

vector(const triple &t)

constructor for a 3-vector equal to t

vector(const vector &v)

copy constructor

~vector(void)

destructor

inline int size(void) const

returns the size of the vector

void resize(int newsize)

resizes the vector, destroying existing contents

void normalize(void)

normalizes the vector so that it is unit-length

void negate(void)

negates the vector

void print(FILE* fp) const

prints the vector to a file

inline void set(const double* d)

sets the vector's elements to the values pointed to by d

inline void setSlice(const vector &v, int n0)

sets vn elements of the vector to v, starting at element n0

inline void setSlice(const double* d, int n0, int len)

sets len elements of the vector to v, starting at element n0

inline void getSlice(int n0, vector &v)

copies vn elements (starting at n0) into v

inline void getSlice(int n0, int len, double* d)

copies len elements (starting at n0) into d

inline double* elem(void)

returns a pointer to the vector's elements

inline const double* elem(void) const

returns a pointer to the vector's elements

inline double& elem(int i)

returns a reference to the i'th element

inline const double& elem(int i) const

returns a reference to the i'th element

member overloaded operators

inline double& operator()(int i)

returns a reference to the i'th element

inline const double& operator()(int i) const

returns a reference to the i'th element

vector& operator=(const vector &v)

assignment operator

vector& operator=(double d)

assignment operator. d must be 0, and all entries of the vector are zeroed

vector& operator+=(const vector &v)

addition operator

vector& operator-=(const vector &v)

subtraction operator

vector& operator*=(double d)

multiplication operator

vector& operator/=(double d)

division operator

Friend functions and overloaded operators

Friends:

double abs(const vector &v)
double sqr(const vector &v)
vector normalize(const vector &v)
vector operator-(const vector &v)
vector operator+(const vector &v1,
vector operator/(const vector &v, double d)
vector operator-(const vector &v1,
triple operator^(const vector &v1,
vector operator*(const vector &v, double d)
vector operator*(double d, const vector &v)
double operator*(const vector &v1, const vector &v2)
vector operator *(const matrix &m, const vector &v)
vector operator *(const vector &v, const matrix &m)
vector &vadd(vector &r,
vector &vsub(vector &r,
triple &vcross(triple &r,
vector &vmult(vector &r, const vector &v1, const vector &v2)
vector &vdiv(vector &r, const vector &v1, const vector &v2)
int outerProduct(matrix &result, const vector &v1, const vector &v2)

const vector& v2

const vector& v1

This class has no child classes.

Friends:

matrix
triple

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