vnl_c_vector interfaces to lowlevel memory-block operations. More...

#include <vnl_c_vector.h>

Public Types
typedef vnl_numeric_traits< T > ::abs_t	abs_t
typedef vnl_numeric_traits< T > ::real_t	real_t
Static Public Member Functions
static T	sum (T const *v, unsigned n)
static abs_t	squared_magnitude (T const *p, unsigned n)
static void	normalize (T *, unsigned n)
static void	apply (T const , unsigned, T(f)(T), T *v_out)
static void	apply (T const , unsigned, T(f)(T const &), T *v_out)
static void	copy (T const x, T y, unsigned)
	y[i] = x[i].
static void	scale (T const x, T y, unsigned, T const &)
	y[i] = a*x[i].
static void	add (T const x, T const y, T *z, unsigned)
	z[i] = x[i] + y[i];.
static void	add (T const x, T const &y, T z, unsigned)
	z[i] = x[i] + y;.
static void	subtract (T const x, T const y, T *z, unsigned)
	z[i] = x[i] - y[i].
static void	subtract (T const x, T const &y, T z, unsigned)
	z[i] = x[i] - y[i].
static void	multiply (T const x, T const y, T *z, unsigned)
	z[i] = x[i] * y[i].
static void	multiply (T const x, T const &y, T z, unsigned)
	z[i] = x[i] * y[i].
static void	divide (T const x, T const y, T *z, unsigned)
	z[i] = x[i] / y[i].
static void	divide (T const x, T const &y, T z, unsigned)
	z[i] = x[i] / y[i].
static void	negate (T const x, T y, unsigned)
	y[i] = -x[i].
static void	invert (T const x, T y, unsigned)
	y[i] = 1/x[i].
static void	saxpy (T const &a, T const x, T y, unsigned)
	y[i] += a*x[i].
static void	fill (T *x, unsigned, T const &v)
	x[i] = v.
static void	reverse (T *x, unsigned)
static T	dot_product (T const , T const , unsigned)
static T	inner_product (T const , T const , unsigned)
	conjugate second.
static void	conjugate (T const , T , unsigned)
static T	max_value (T const *, unsigned)
	Returns max value of the vector.
static T	min_value (T const *, unsigned)
	Returns min value of the vector.
static unsigned	arg_max (T const *, unsigned)
	Returns location of max value of the vector.
static unsigned	arg_min (T const *, unsigned)
	Returns location of min value of the vector.
static T	mean (T const *p, unsigned n)
static real_t	std (T const *p, unsigned n)
	The standard deviation.
static T	sum_sq_diff_means (T const *v, unsigned n)
	The sum of squared differences from the mean.
static abs_t	one_norm (T const *p, unsigned n)
	one_norm : sum of abs values.
static abs_t	two_norm (T const *p, unsigned n)
	two_norm : sqrt of sum of squared abs values.
static abs_t	inf_norm (T const *p, unsigned n)
	inf_norm : max of abs values.
static abs_t	two_nrm2 (T const *p, unsigned n)
	two_nrm2 : sum of squared abs values.
static abs_t	rms_norm (T const *p, unsigned n)
	rms_norm : sqrt of mean sum of squared abs values.
static T	euclid_dist_sq (T const , T const , unsigned)
	Euclidean Distance between two vectors.
static T **	allocate_Tptr (vcl_size_t n)
	Memory allocation.
static T *	allocate_T (vcl_size_t n)
static void	deallocate (T **, vcl_size_t n_when_allocated)
static void	deallocate (T *, vcl_size_t n_when_allocated)
Related Functions
(Note that these are not member functions.)
template<class T >
vcl_ostream &	print_vector (vcl_ostream &, T const *, unsigned)
	Input & output.

Detailed Description

template<class T>
class vnl_c_vector< T >

vnl_c_vector interfaces to lowlevel memory-block operations.

Definition at line 38 of file vnl_c_vector.h.

Member Typedef Documentation

template<class T>

typedef vnl_numeric_traits<T>::abs_t vnl_c_vector< T >::abs_t

Definition at line 41 of file vnl_c_vector.h.

template<class T>

typedef vnl_numeric_traits<T>::real_t vnl_c_vector< T >::real_t

Definition at line 42 of file vnl_c_vector.h.

Member Function Documentation

template<class T>

void vnl_c_vector< T >::add	(	T const *	x,
		T const *	y,
		T *	z,
		unsigned	n
	)		`[static]`

z[i] = x[i] + y[i];.

Definition at line 113 of file vnl_c_vector.txx.

template<class T>

void vnl_c_vector< T >::add	(	T const *	x,
		T const &	y,
		T *	z,
		unsigned	n
	)		`[static]`

z[i] = x[i] + y;.

Definition at line 119 of file vnl_c_vector.txx.

template<class T >

T * vnl_c_vector< T >::allocate_T ( vcl_size_t n ) [static]

Definition at line 421 of file vnl_c_vector.txx.

template<class T >

T ** vnl_c_vector< T >::allocate_Tptr ( vcl_size_t n ) [static]

Memory allocation.

Definition at line 367 of file vnl_c_vector.txx.

template<class T>

void vnl_c_vector< T >::apply	(	T const *	v,
		unsigned	n,
		T(*)(T)	f,
		T *	v_out
	)		`[static]`

Definition at line 49 of file vnl_c_vector.txx.

template<class T>

void vnl_c_vector< T >::apply	(	T const *	v,
		unsigned	n,
		T(*)(T const &)	f,
		T *	v_out
	)		`[static]`

Definition at line 42 of file vnl_c_vector.txx.

template<class T>

unsigned vnl_c_vector< T >::arg_max	(	T const *	src,
		unsigned	n
	)		`[static]`

Returns location of max value of the vector.

Definition at line 257 of file vnl_c_vector.txx.

template<class T>

unsigned vnl_c_vector< T >::arg_min	(	T const *	src,
		unsigned	n
	)		`[static]`

Returns location of min value of the vector.

Definition at line 265 of file vnl_c_vector.txx.

template<class T>

void vnl_c_vector< T >::conjugate	(	T const *	src,
		T *	dst,
		unsigned	n
	)		`[static]`

Definition at line 231 of file vnl_c_vector.txx.

template<class T>

void vnl_c_vector< T >::copy	(	T const *	x,
		T *	y,
		unsigned	n
	)		`[static]`

y[i] = x[i].

Definition at line 56 of file vnl_c_vector.txx.

template<class T>

void vnl_c_vector< T >::deallocate	(	T **	v,
		vcl_size_t	n_when_allocated
	)		`[static]`

Definition at line 373 of file vnl_c_vector.txx.

template<class T>

void vnl_c_vector< T >::deallocate	(	T *	p,
		vcl_size_t	n_when_allocated
	)		`[static]`

Definition at line 429 of file vnl_c_vector.txx.

template<class T>

void vnl_c_vector< T >::divide	(	T const *	x,
		T const *	y,
		T *	z,
		unsigned	n
	)		`[static]`

z[i] = x[i] / y[i].

Definition at line 149 of file vnl_c_vector.txx.

template<class T>

void vnl_c_vector< T >::divide	(	T const *	x,
		T const &	y,
		T *	z,
		unsigned	n
	)		`[static]`

z[i] = x[i] / y[i].

Definition at line 155 of file vnl_c_vector.txx.

template<class T>

T vnl_c_vector< T >::dot_product	(	T const *	a,
		T const *	b,
		unsigned	n
	)		`[static]`

Definition at line 214 of file vnl_c_vector.txx.

template<class T>

T vnl_c_vector< T >::euclid_dist_sq	(	T const *	a,
		T const *	b,
		unsigned	n
	)		`[static]`

Euclidean Distance between two vectors.

Sum of Differences squared.

Definition at line 273 of file vnl_c_vector.txx.

template<class T>

void vnl_c_vector< T >::fill	(	T *	x,
		unsigned	n,
		T const &	v
	)		`[static]`

x[i] = v.

Definition at line 195 of file vnl_c_vector.txx.

template<class T>

static abs_t vnl_c_vector< T >::inf_norm	(	T const *	p,
		unsigned	n
	)		`[inline, static]`

inf_norm : max of abs values.

Definition at line 127 of file vnl_c_vector.h.

template<class T>

T vnl_c_vector< T >::inner_product	(	T const *	a,
		T const *	b,
		unsigned	n
	)		`[static]`

conjugate second.

Definition at line 221 of file vnl_c_vector.txx.

template<class T>

void vnl_c_vector< T >::invert	(	T const *	x,
		T *	y,
		unsigned	n
	)		`[static]`

y[i] = 1/x[i].

Definition at line 176 of file vnl_c_vector.txx.

template<class T>

T vnl_c_vector< T >::max_value	(	T const *	src,
		unsigned	n
	)		`[static]`

Returns max value of the vector.

Definition at line 241 of file vnl_c_vector.txx.

template<class T>

static T vnl_c_vector< T >::mean	(	T const *	p,
		unsigned	n
	)		`[inline, static]`

Definition at line 107 of file vnl_c_vector.h.

template<class T>

T vnl_c_vector< T >::min_value	(	T const *	src,
		unsigned	n
	)		`[static]`

Returns min value of the vector.

Definition at line 249 of file vnl_c_vector.txx.

template<class T>

void vnl_c_vector< T >::multiply	(	T const *	x,
		T const *	y,
		T *	z,
		unsigned	n
	)		`[static]`

z[i] = x[i] * y[i].

Definition at line 137 of file vnl_c_vector.txx.

template<class T>

void vnl_c_vector< T >::multiply	(	T const *	x,
		T const &	y,
		T *	z,
		unsigned	n
	)		`[static]`

z[i] = x[i] * y[i].

Definition at line 143 of file vnl_c_vector.txx.

template<class T>

void vnl_c_vector< T >::negate	(	T const *	x,
		T *	y,
		unsigned	n
	)		`[static]`

y[i] = -x[i].

Note that this is a no-op when T is an unsigned type.

Definition at line 165 of file vnl_c_vector.txx.

template<class T>

void vnl_c_vector< T >::normalize	(	T *	v,
		unsigned	n
	)		`[static]`

Definition at line 26 of file vnl_c_vector.txx.

template<class T>

static abs_t vnl_c_vector< T >::one_norm	(	T const *	p,
		unsigned	n
	)		`[inline, static]`

one_norm : sum of abs values.

Definition at line 119 of file vnl_c_vector.h.

template<class T>

void vnl_c_vector< T >::reverse	(	T *	x,
		unsigned	n
	)		`[static]`

Definition at line 203 of file vnl_c_vector.txx.

template<class T>

static abs_t vnl_c_vector< T >::rms_norm	(	T const *	p,
		unsigned	n
	)		`[inline, static]`

rms_norm : sqrt of mean sum of squared abs values.

Definition at line 135 of file vnl_c_vector.h.

template<class T>

void vnl_c_vector< T >::saxpy	(	T const &	a,
		T const *	x,
		T *	y,
		unsigned	n
	)		`[static]`

y[i] += a*x[i].

Definition at line 187 of file vnl_c_vector.txx.

template<class T>

void vnl_c_vector< T >::scale	(	T const *	x,
		T *	y,
		unsigned	n,
		T const &	a_
	)		`[static]`

y[i] = a*x[i].

Definition at line 63 of file vnl_c_vector.txx.

template<class T>

static abs_t vnl_c_vector< T >::squared_magnitude	(	T const *	p,
		unsigned	n
	)		`[inline, static]`

Definition at line 45 of file vnl_c_vector.h.

template<class T>

static real_t vnl_c_vector< T >::std	(	T const *	p,
		unsigned	n
	)		`[inline, static]`

The standard deviation.

This method uses the 1/(n-1) normalisation, assuming that your data is a sample of a population.

Definition at line 112 of file vnl_c_vector.h.

template<class T>

void vnl_c_vector< T >::subtract	(	T const *	x,
		T const *	y,
		T *	z,
		unsigned	n
	)		`[static]`

z[i] = x[i] - y[i].

Definition at line 125 of file vnl_c_vector.txx.

template<class T>

void vnl_c_vector< T >::subtract	(	T const *	x,
		T const &	y,
		T *	z,
		unsigned	n
	)		`[static]`

z[i] = x[i] - y[i].

Definition at line 131 of file vnl_c_vector.txx.

template<class T>

T vnl_c_vector< T >::sum	(	T const *	v,
		unsigned	n
	)		`[static]`

Definition at line 20 of file vnl_c_vector.txx.

template<class T>

T vnl_c_vector< T >::sum_sq_diff_means	(	T const *	v,
		unsigned	n
	)		`[static]`

The sum of squared differences from the mean.

Definition at line 279 of file vnl_c_vector.txx.

template<class T>

static abs_t vnl_c_vector< T >::two_norm	(	T const *	p,
		unsigned	n
	)		`[inline, static]`

two_norm : sqrt of sum of squared abs values.

Definition at line 123 of file vnl_c_vector.h.

template<class T>

static abs_t vnl_c_vector< T >::two_nrm2	(	T const *	p,
		unsigned	n
	)		`[inline, static]`

two_nrm2 : sum of squared abs values.

Definition at line 131 of file vnl_c_vector.h.

Friends And Related Function Documentation

template<class T >

vcl_ostream & print_vector	(	vcl_ostream &	,
		T const *	,
		unsigned
	)		`[related]`

Input & output.

The documentation for this class was generated from the following files:

core/vnl/vnl_c_vector.h
core/vnl/vnl_c_vector.txx

Public Types

Static Public Member Functions

Related Functions

Detailed Description

template<class T> class vnl_c_vector< T >

Member Typedef Documentation

Member Function Documentation

Friends And Related Function Documentation

template<class T>
class vnl_c_vector< T >