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SGVector< T > Singleton Reference

Detailed Description

template<class T>
singleton shogun::SGVector< T >

shogun vector

Definition at line 28 of file base/Parameter.h.

Inheritance diagram for SGVector< T >:
[legend]

Public Types

typedef Eigen::Matrix< T,-1, 1, 0,-1, 1 > EigenVectorXt
 
typedef Eigen::Matrix< T, 1,-1, 0x1, 1,-1 > EigenRowVectorXt
 
typedef Eigen::Map
< EigenVectorXt,
0, Eigen::Stride< 0, 0 > > 
EigenVectorXtMap
 
typedef Eigen::Map
< EigenRowVectorXt,
0, Eigen::Stride< 0, 0 > > 
EigenRowVectorXtMap
 
typedef T Scalar
 

Public Member Functions

 SGVector ()
 
 SGVector (T *v, index_t len, bool ref_counting=true)
 
 SGVector (T *m, index_t len, index_t offset)
 
 SGVector (index_t len, bool ref_counting=true)
 
 SGVector (GPUMemoryBase< T > *vector, index_t len)
 
 SGVector (const SGVector &orig)
 
bool on_gpu () const
 
 SGVector (EigenVectorXt &vec)
 
 SGVector (EigenRowVectorXt &vec)
 
 operator EigenVectorXtMap () const
 
 operator EigenRowVectorXtMap () const
 
void set_const (T const_elem)
 
SGVector< T > get ()
 
void set (SGVector< T > orig)
 
virtual ~SGVector ()
 
int32_t size () const
 
T * data () const
 
SGVector< T > & operator= (const SGVector< T > &)
 
 operator T * ()
 
void zero ()
 
void range_fill (T start=0)
 
void random (T min_value, T max_value)
 
index_t find_position_to_insert (T element)
 
SGVector< T > clone () const
 
const T & get_element (index_t index)
 
void set_element (const T &el, index_t index)
 
void resize_vector (int32_t n)
 
const T & operator[] (uint64_t index) const
 
const T & operator[] (int64_t index) const
 
const T & operator[] (uint32_t index) const
 
const T & operator[] (int32_t index) const
 
T & operator[] (uint64_t index)
 
T & operator[] (int64_t index)
 
T & operator[] (uint32_t index)
 
T & operator[] (int32_t index)
 
void add (const SGVector< T > x)
 
void add (const SGSparseVector< T > &x)
 
void add (const T x)
 
SGVector< T > operator+ (SGVector< T > x)
 
SGVector< T > operator+= (SGVector< T > x)
 
SGVector< T > operator+= (SGSparseVector< T > &x)
 
bool equals (SGVector< T > &other)
 
product ()
 Return product(vec) More...
 
void display_size () const
 
void display_vector (const char *name="vector", const char *prefix="") const
 
SGVector< index_tfind (T elem)
 
template<typename Predicate >
SGVector< index_tfind_if (Predicate p)
 
void scale (T alpha)
 Scale vector inplace. More...
 
void load (CFile *loader)
 
void save (CFile *saver)
 
SGVector< float64_tget_real ()
 
SGVector< float64_tget_imag ()
 
template<>
void zero ()
 
template<>
index_t find_position_to_insert (complex128_t element)
 
template<>
void range_fill_vector (complex128_t *vec, int32_t len, complex128_t start)
 
template<>
void display_vector (const bool *vector, int32_t n, const char *name, const char *prefix)
 
template<>
void display_vector (const char *vector, int32_t n, const char *name, const char *prefix)
 
template<>
void display_vector (const uint8_t *vector, int32_t n, const char *name, const char *prefix)
 
template<>
void display_vector (const int8_t *vector, int32_t n, const char *name, const char *prefix)
 
template<>
void display_vector (const uint16_t *vector, int32_t n, const char *name, const char *prefix)
 
template<>
void display_vector (const int16_t *vector, int32_t n, const char *name, const char *prefix)
 
template<>
void display_vector (const int32_t *vector, int32_t n, const char *name, const char *prefix)
 
template<>
void display_vector (const uint32_t *vector, int32_t n, const char *name, const char *prefix)
 
template<>
void display_vector (const int64_t *vector, int32_t n, const char *name, const char *prefix)
 
template<>
void display_vector (const uint64_t *vector, int32_t n, const char *name, const char *prefix)
 
template<>
void display_vector (const float32_t *vector, int32_t n, const char *name, const char *prefix)
 
template<>
void display_vector (const float64_t *vector, int32_t n, const char *name, const char *prefix)
 
template<>
void display_vector (const floatmax_t *vector, int32_t n, const char *name, const char *prefix)
 
template<>
void display_vector (const complex128_t *vector, int32_t n, const char *name, const char *prefix)
 
template<>
void vec1_plus_scalar_times_vec2 (float64_t *vec1, float64_t scalar, const float64_t *vec2, int32_t n)
 
template<>
void vec1_plus_scalar_times_vec2 (float32_t *vec1, float32_t scalar, const float32_t *vec2, int32_t n)
 
template<>
void random_vector (complex128_t *vec, int32_t len, complex128_t min_value, complex128_t max_value)
 
template<>
bool twonorm (const bool *x, int32_t len)
 
template<>
char twonorm (const char *x, int32_t len)
 
template<>
int8_t twonorm (const int8_t *x, int32_t len)
 
template<>
uint8_t twonorm (const uint8_t *x, int32_t len)
 
template<>
int16_t twonorm (const int16_t *x, int32_t len)
 
template<>
uint16_t twonorm (const uint16_t *x, int32_t len)
 
template<>
int32_t twonorm (const int32_t *x, int32_t len)
 
template<>
uint32_t twonorm (const uint32_t *x, int32_t len)
 
template<>
int64_t twonorm (const int64_t *x, int32_t len)
 
template<>
uint64_t twonorm (const uint64_t *x, int32_t len)
 
template<>
float32_t twonorm (const float32_t *x, int32_t len)
 
template<>
float64_t twonorm (const float64_t *v, int32_t n)
 
template<>
floatmax_t twonorm (const floatmax_t *x, int32_t len)
 
template<>
complex128_t twonorm (const complex128_t *x, int32_t len)
 
template<>
complex128_t qsq (complex128_t *x, int32_t len, float64_t q)
 
template<>
complex128_t qnorm (complex128_t *x, int32_t len, float64_t q)
 
template<>
float64_t sum_abs (float64_t *vec, int32_t len)
 
template<>
float32_t sum_abs (float32_t *vec, int32_t len)
 
template<>
int32_t unique (complex128_t *output, int32_t size)
 
template<>
void scale_vector (float64_t alpha, float64_t *vec, int32_t len)
 
template<>
void scale_vector (float32_t alpha, float32_t *vec, int32_t len)
 
template<>
void load (CFile *loader)
 
template<>
void save (CFile *saver)
 
int32_t ref_count ()
 

Static Public Member Functions

static T * clone_vector (const T *vec, int32_t len)
 
static void fill_vector (T *vec, int32_t len, T value)
 
static void range_fill_vector (T *vec, int32_t len, T start=0)
 
static void random_vector (T *vec, int32_t len, T min_value, T max_value)
 
static T twonorm (const T *x, int32_t len)
 || x ||_2 More...
 
static float64_t onenorm (T *x, int32_t len)
 || x ||_1 More...
 
static T qsq (T *x, int32_t len, float64_t q)
 || x ||_q^q More...
 
static T qnorm (T *x, int32_t len, float64_t q)
 || x ||_q More...
 
static void vec1_plus_scalar_times_vec2 (T *vec1, const T scalar, const T *vec2, int32_t n)
 x=x+alpha*y More...
 
static void vector_multiply (T *target, const T *v1, const T *v2, int32_t len)
 Compute vector multiplication. More...
 
static void add (T *target, T alpha, const T *v1, T beta, const T *v2, int32_t len)
 target=alpha*vec1 + beta*vec2 More...
 
static void add_scalar (T alpha, T *vec, int32_t len)
 Add scalar to vector inplace. More...
 
static void scale_vector (T alpha, T *vec, int32_t len)
 Scale vector inplace. More...
 
static T sum (T *vec, int32_t len)
 Return sum(vec) More...
 
static T sum (SGVector< T > vec)
 Return sum(vec) More...
 
static T product (T *vec, int32_t len)
 Return the product of the vectors elements. More...
 
static T sum_abs (T *vec, int32_t len)
 return sum(abs(vec)) More...
 
static int32_t unique (T *output, int32_t size)
 
static void display_vector (const T *vector, int32_t n, const char *name="vector", const char *prefix="")
 Display vector (useful for debugging) More...
 
static void display_vector (const SGVector< T >, const char *name="vector", const char *prefix="")
 Display vector (useful for debugging) More...
 
static SGMatrix< T > convert_to_matrix (SGVector< T > vector, index_t nrows, index_t ncols, bool fortran_order)
 
static void convert_to_matrix (T *&matrix, index_t nrows, index_t ncols, const T *vector, int32_t vlen, bool fortran_order)
 

Public Attributes

T * vector
 
index_t vlen
 
std::shared_ptr< GPUMemoryBase
< T > > 
gpu_ptr
 

Protected Member Functions

virtual void copy_data (const SGReferencedData &orig)
 
virtual void init_data ()
 
virtual void free_data ()
 
void copy_refcount (const SGReferencedData &orig)
 
int32_t ref ()
 
int32_t unref ()
 

Friends

class LinalgBackendEigen
 

Member Typedef Documentation

typedef Eigen::Matrix<T,1,-1,0x1,1,-1> EigenRowVectorXt

Definition at line 48 of file SGVector.h.

Definition at line 51 of file SGVector.h.

typedef Eigen::Matrix<T,-1,1,0,-1,1> EigenVectorXt

Definition at line 47 of file SGVector.h.

Definition at line 50 of file SGVector.h.

typedef T Scalar

The scalar type of the vector

Definition at line 54 of file SGVector.h.

Constructor & Destructor Documentation

SGVector ( )

Default constructor

Definition at line 73 of file SGVector.cpp.

SGVector ( T *  v,
index_t  len,
bool  ref_counting = true 
)

Constructor for setting params

Definition at line 79 of file SGVector.cpp.

SGVector ( T *  m,
index_t  len,
index_t  offset 
)

Wraps a vector around an existing memory segment with an offset

Definition at line 86 of file SGVector.cpp.

SGVector ( index_t  len,
bool  ref_counting = true 
)

Constructor to create new vector in memory

Definition at line 93 of file SGVector.cpp.

SGVector ( GPUMemoryBase< T > *  vector,
index_t  len 
)

Construct SGVector from GPU memory.

Parameters
vectorGPUMemoryBase pointer
lenlength of the data in vector
See also
GPUMemoryBase

Definition at line 101 of file SGVector.cpp.

SGVector ( const SGVector< T > &  orig)

Copy constructor

Definition at line 109 of file SGVector.cpp.

SGVector ( EigenVectorXt vec)

Wraps a matrix around the data of an Eigen3 column vector

Definition at line 140 of file SGVector.cpp.

Wraps a matrix around the data of an Eigen3 row vector

Definition at line 147 of file SGVector.cpp.

~SGVector ( )
virtual

Empty destructor

Definition at line 134 of file SGVector.cpp.

Member Function Documentation

void add ( const SGVector< T >  x)

Add vector to current vector

Parameters
xadd vector x to current vector

Definition at line 310 of file SGVector.cpp.

void add ( const SGSparseVector< T > &  x)

Add sparse vector to current vector

Parameters
xadd sparse vector x to current vector

Definition at line 330 of file SGVector.cpp.

void add ( const T  x)

Add scalar to current vector

Parameters
xadd vector x to current vector

Definition at line 321 of file SGVector.cpp.

static void add ( T *  target,
alpha,
const T *  v1,
beta,
const T *  v2,
int32_t  len 
)
static

target=alpha*vec1 + beta*vec2

Definition at line 373 of file SGVector.h.

static void add_scalar ( alpha,
T *  vec,
int32_t  len 
)
static

Add scalar to vector inplace.

Definition at line 382 of file SGVector.h.

SGVector< T > clone ( ) const

Clone vector

Definition at line 247 of file SGVector.cpp.

T * clone_vector ( const T *  vec,
int32_t  len 
)
static

Clone vector

Definition at line 256 of file SGVector.cpp.

SGMatrix< T > convert_to_matrix ( SGVector< T >  vector,
index_t  nrows,
index_t  ncols,
bool  fortran_order 
)
static

Create SGMatrix from linear vector

Parameters
vectorsource vector
nrowsnumber of rows
ncolsnumber of cols
fortran_orderorder of stroing matrix in linear vector true - column-major order (FORTRAN, MATLAB, R) false - row-major order (C, Python)
Returns
matrix

Definition at line 945 of file SGVector.cpp.

void convert_to_matrix ( T *&  matrix,
index_t  nrows,
index_t  ncols,
const T *  vector,
int32_t  vlen,
bool  fortran_order 
)
static

Create matrix from linear vector

Parameters
matrixdestination memory
nrowsnumber of rows
ncolsnumber of cols
vectorsource vector
vlenlenght of source vector
fortran_orderorder of stroing matrix in linear vector true - column-major order (FORTRAN, MATLAB, R) false - row-major order (C, Python)
Returns
matrix

Definition at line 959 of file SGVector.cpp.

void copy_data ( const SGReferencedData orig)
protectedvirtual

needs to be overridden to copy data

Implements SGReferencedData.

Definition at line 352 of file SGVector.cpp.

void copy_refcount ( const SGReferencedData orig)
protectedinherited

copy refcount

Definition at line 55 of file SGReferencedData.cpp.

T* data ( ) const

Data pointer

Definition at line 139 of file SGVector.h.

void display_size ( ) const

Display array size

Definition at line 345 of file SGVector.cpp.

void display_vector ( const bool *  vector,
int32_t  n,
const char *  name,
const char *  prefix 
)

Definition at line 410 of file SGVector.cpp.

void display_vector ( const char *  vector,
int32_t  n,
const char *  name,
const char *  prefix 
)

Definition at line 421 of file SGVector.cpp.

void display_vector ( const uint8_t *  vector,
int32_t  n,
const char *  name,
const char *  prefix 
)

Definition at line 432 of file SGVector.cpp.

void display_vector ( const char *  name = "vector",
const char *  prefix = "" 
) const

Display vector

Definition at line 396 of file SGVector.cpp.

static void display_vector ( const T *  vector,
int32_t  n,
const char *  name = "vector",
const char *  prefix = "" 
)
static

Display vector (useful for debugging)

void display_vector ( const int8_t *  vector,
int32_t  n,
const char *  name,
const char *  prefix 
)

Definition at line 443 of file SGVector.cpp.

void display_vector ( const SGVector< T >  vector,
const char *  name = "vector",
const char *  prefix = "" 
)
static

Display vector (useful for debugging)

Definition at line 403 of file SGVector.cpp.

void display_vector ( const uint16_t *  vector,
int32_t  n,
const char *  name,
const char *  prefix 
)

Definition at line 454 of file SGVector.cpp.

void display_vector ( const int16_t *  vector,
int32_t  n,
const char *  name,
const char *  prefix 
)

Definition at line 465 of file SGVector.cpp.

void display_vector ( const int32_t *  vector,
int32_t  n,
const char *  name,
const char *  prefix 
)

Definition at line 476 of file SGVector.cpp.

void display_vector ( const uint32_t *  vector,
int32_t  n,
const char *  name,
const char *  prefix 
)

Definition at line 487 of file SGVector.cpp.

void display_vector ( const int64_t *  vector,
int32_t  n,
const char *  name,
const char *  prefix 
)

Definition at line 499 of file SGVector.cpp.

void display_vector ( const uint64_t *  vector,
int32_t  n,
const char *  name,
const char *  prefix 
)

Definition at line 510 of file SGVector.cpp.

void display_vector ( const float32_t vector,
int32_t  n,
const char *  name,
const char *  prefix 
)

Definition at line 521 of file SGVector.cpp.

void display_vector ( const float64_t vector,
int32_t  n,
const char *  name,
const char *  prefix 
)

Definition at line 532 of file SGVector.cpp.

void display_vector ( const floatmax_t vector,
int32_t  n,
const char *  name,
const char *  prefix 
)

Definition at line 543 of file SGVector.cpp.

void display_vector ( const complex128_t vector,
int32_t  n,
const char *  name,
const char *  prefix 
)

Definition at line 557 of file SGVector.cpp.

bool equals ( SGVector< T > &  other)

Equals method up to precision for vectors (element-wise)

Parameters
othervector to compare with
Returns
false if any element differs or if sizes are different, true otherwise

Definition at line 380 of file SGVector.cpp.

void fill_vector ( T *  vec,
int32_t  len,
value 
)
static

Fill vector

Definition at line 264 of file SGVector.cpp.

SGVector< index_t > find ( elem)

Find index for occurance of an element

Parameters
elemthe element to find

Definition at line 849 of file SGVector.cpp.

SGVector<index_t> find_if ( Predicate  p)

Find index for elements where the predicate returns true

Parameters
pthe predicate, it should accept the value of the element and return a bool

Definition at line 457 of file SGVector.h.

index_t find_position_to_insert ( element)

For a sorted (ascending) vector, gets the index after the first element that is smaller than the given one

Parameters
elementelement to find index for
Returns
index of the first element greater than given one

Definition at line 226 of file SGVector.cpp.

index_t find_position_to_insert ( complex128_t  element)

Definition at line 239 of file SGVector.cpp.

void free_data ( )
protectedvirtual

needs to be overridden to free data

Implements SGReferencedData.

Definition at line 371 of file SGVector.cpp.

SGVector<T> get ( )

Get the vector (no copying is done here)

Returns
the refcount increased vector

Definition at line 120 of file SGVector.h.

const T& get_element ( index_t  index)

Get element at index

Parameters
indexindex
Returns
element at index

Definition at line 195 of file SGVector.h.

SGVector< float64_t > get_imag ( )

Imag part of a complex128_t vector

Definition at line 935 of file SGVector.cpp.

SGVector< float64_t > get_real ( )

Real part of a complex128_t vector

Definition at line 926 of file SGVector.cpp.

void init_data ( )
protectedvirtual

needs to be overridden to initialize empty data

Implements SGReferencedData.

Definition at line 362 of file SGVector.cpp.

void load ( CFile loader)

Load vector from file

Parameters
loaderFile object via which to load data

Definition at line 889 of file SGVector.cpp.

void load ( CFile loader)

Definition at line 905 of file SGVector.cpp.

bool on_gpu ( ) const

Check whether data is stored on GPU

Returns
true if vector is on GPU

Definition at line 83 of file SGVector.h.

float64_t onenorm ( T *  x,
int32_t  len 
)
static

|| x ||_1

Definition at line 755 of file SGVector.cpp.

operator EigenRowVectorXtMap ( ) const

Wraps an Eigen3 row vector around the data of this matrix

Definition at line 161 of file SGVector.cpp.

operator EigenVectorXtMap ( ) const

Wraps an Eigen3 column vector around the data of this matrix

Definition at line 154 of file SGVector.cpp.

operator T * ( )

Cast to pointer

Definition at line 148 of file SGVector.h.

SGVector< T > operator+ ( SGVector< T >  x)

Addition operator

addition operator

Definition at line 298 of file SGVector.cpp.

SGVector<T> operator+= ( SGVector< T >  x)

Inplace addition operator

Definition at line 327 of file SGVector.h.

SGVector<T> operator+= ( SGSparseVector< T > &  x)

Inplace addition operator for sparse vector

Definition at line 334 of file SGVector.h.

SGVector< T > & operator= ( const SGVector< T > &  other)

Definition at line 115 of file SGVector.cpp.

const T& operator[] ( uint64_t  index) const

Operator overload for vector read only access

Parameters
indexdimension to access

Definition at line 222 of file SGVector.h.

const T& operator[] ( int64_t  index) const

Operator overload for vector read only access

Parameters
indexdimension to access

Definition at line 233 of file SGVector.h.

const T& operator[] ( uint32_t  index) const

Operator overload for vector read only access

Parameters
indexdimension to access

Definition at line 244 of file SGVector.h.

const T& operator[] ( int32_t  index) const

Operator overload for vector read only access

Parameters
indexdimension to access

Definition at line 255 of file SGVector.h.

T& operator[] ( uint64_t  index)

Operator overload for vector r/w access

Parameters
indexdimension to access

Definition at line 266 of file SGVector.h.

T& operator[] ( int64_t  index)

Operator overload for vector r/w access

Parameters
indexdimension to access

Definition at line 277 of file SGVector.h.

T& operator[] ( uint32_t  index)

Operator overload for vector r/w access

Parameters
indexdimension to access

Definition at line 288 of file SGVector.h.

T& operator[] ( int32_t  index)

Operator overload for vector r/w access

Parameters
indexdimension to access

Definition at line 299 of file SGVector.h.

static T product ( T *  vec,
int32_t  len 
)
static

Return the product of the vectors elements.

Definition at line 408 of file SGVector.h.

T product ( )

Return product(vec)

Definition at line 418 of file SGVector.h.

T qnorm ( T *  x,
int32_t  len,
float64_t  q 
)
static

|| x ||_q

Definition at line 784 of file SGVector.cpp.

complex128_t qnorm ( complex128_t x,
int32_t  len,
float64_t  q 
)

Definition at line 791 of file SGVector.cpp.

T qsq ( T *  x,
int32_t  len,
float64_t  q 
)
static

|| x ||_q^q

Definition at line 766 of file SGVector.cpp.

complex128_t qsq ( complex128_t x,
int32_t  len,
float64_t  q 
)

Definition at line 776 of file SGVector.cpp.

void random ( min_value,
max_value 
)

Create random vector

Parameters
min_value[min_value,max_value]
max_value

Definition at line 217 of file SGVector.cpp.

void random_vector ( T *  vec,
int32_t  len,
min_value,
max_value 
)
static

Random vector

Definition at line 605 of file SGVector.cpp.

void random_vector ( complex128_t vec,
int32_t  len,
complex128_t  min_value,
complex128_t  max_value 
)

Definition at line 612 of file SGVector.cpp.

void range_fill ( start = 0)

Range fill a vector with start...start+len-1

Parameters
start- value to be assigned to first element of vector

Definition at line 208 of file SGVector.cpp.

void range_fill_vector ( T *  vec,
int32_t  len,
start = 0 
)
static

Range fill vector

Definition at line 271 of file SGVector.cpp.

void range_fill_vector ( complex128_t vec,
int32_t  len,
complex128_t  start 
)

Definition at line 278 of file SGVector.cpp.

int32_t ref ( )
protectedinherited

increase reference counter

Returns
reference count

Definition at line 64 of file SGReferencedData.cpp.

int32_t ref_count ( )
inherited

display reference counter

Returns
reference count

Definition at line 41 of file SGReferencedData.cpp.

void resize_vector ( int32_t  n)

Resize vector, with zero padding

Parameters
nnew size

Definition at line 286 of file SGVector.cpp.

void save ( CFile saver)

Save vector to file

Parameters
saverFile object via which to save data

Definition at line 910 of file SGVector.cpp.

void save ( CFile saver)

Definition at line 921 of file SGVector.cpp.

void scale ( alpha)

Scale vector inplace.

Definition at line 884 of file SGVector.cpp.

void scale_vector ( alpha,
T *  vec,
int32_t  len 
)
static

Scale vector inplace.

Definition at line 863 of file SGVector.cpp.

void scale_vector ( float64_t  alpha,
float64_t vec,
int32_t  len 
)

Definition at line 871 of file SGVector.cpp.

void scale_vector ( float32_t  alpha,
float32_t vec,
int32_t  len 
)

Definition at line 877 of file SGVector.cpp.

void set ( SGVector< T >  orig)

Wrapper for the copy constructor useful for SWIG interfaces

Parameters
origvector to set

Definition at line 128 of file SGVector.cpp.

void set_const ( const_elem)

Set vector to a constant

Parameters
const_elem- value to set vector to

Definition at line 184 of file SGVector.cpp.

void set_element ( const T &  el,
index_t  index 
)

Set element at index

Parameters
elelement to set
indexindex

Definition at line 205 of file SGVector.h.

int32_t size ( ) const

Size

Definition at line 136 of file SGVector.h.

static T sum ( T *  vec,
int32_t  len 
)
static

Return sum(vec)

Definition at line 392 of file SGVector.h.

static T sum ( SGVector< T >  vec)
static

Return sum(vec)

Definition at line 402 of file SGVector.h.

T sum_abs ( T *  vec,
int32_t  len 
)
static

return sum(abs(vec))

Returns
sum(abs(vec))

Definition at line 799 of file SGVector.cpp.

float64_t sum_abs ( float64_t vec,
int32_t  len 
)

Definition at line 810 of file SGVector.cpp.

float32_t sum_abs ( float32_t vec,
int32_t  len 
)

Definition at line 818 of file SGVector.cpp.

static T twonorm ( const T *  x,
int32_t  len 
)
static

|| x ||_2

bool twonorm ( const bool *  x,
int32_t  len 
)

Definition at line 619 of file SGVector.cpp.

char twonorm ( const char *  x,
int32_t  len 
)

Definition at line 626 of file SGVector.cpp.

int8_t twonorm ( const int8_t *  x,
int32_t  len 
)

Definition at line 633 of file SGVector.cpp.

uint8_t twonorm ( const uint8_t *  x,
int32_t  len 
)

Definition at line 643 of file SGVector.cpp.

int16_t twonorm ( const int16_t *  x,
int32_t  len 
)

Definition at line 653 of file SGVector.cpp.

uint16_t twonorm ( const uint16_t *  x,
int32_t  len 
)

Definition at line 663 of file SGVector.cpp.

int32_t twonorm ( const int32_t *  x,
int32_t  len 
)

Definition at line 673 of file SGVector.cpp.

uint32_t twonorm ( const uint32_t *  x,
int32_t  len 
)

Definition at line 683 of file SGVector.cpp.

int64_t twonorm ( const int64_t *  x,
int32_t  len 
)

Definition at line 693 of file SGVector.cpp.

uint64_t twonorm ( const uint64_t *  x,
int32_t  len 
)

Definition at line 703 of file SGVector.cpp.

float32_t twonorm ( const float32_t x,
int32_t  len 
)

Definition at line 713 of file SGVector.cpp.

float64_t twonorm ( const float64_t v,
int32_t  n 
)

Definition at line 723 of file SGVector.cpp.

floatmax_t twonorm ( const floatmax_t x,
int32_t  len 
)

Definition at line 735 of file SGVector.cpp.

complex128_t twonorm ( const complex128_t x,
int32_t  len 
)

Definition at line 745 of file SGVector.cpp.

int32_t unique ( T *  output,
int32_t  size 
)
static

Performs a inplace unique of a vector of type T using quicksort returns the new number of elements

Definition at line 827 of file SGVector.cpp.

int32_t unique ( complex128_t output,
int32_t  size 
)

Definition at line 841 of file SGVector.cpp.

int32_t unref ( )
protectedinherited

decrement reference counter and deallocate object if refcount is zero before or after decrementing it

Returns
reference count

Definition at line 84 of file SGReferencedData.cpp.

void vec1_plus_scalar_times_vec2 ( T *  vec1,
const T  scalar,
const T *  vec2,
int32_t  n 
)
static

x=x+alpha*y

Definition at line 571 of file SGVector.cpp.

void vec1_plus_scalar_times_vec2 ( float64_t vec1,
float64_t  scalar,
const float64_t vec2,
int32_t  n 
)

Definition at line 579 of file SGVector.cpp.

void vec1_plus_scalar_times_vec2 ( float32_t vec1,
float32_t  scalar,
const float32_t vec2,
int32_t  n 
)

Definition at line 592 of file SGVector.cpp.

static void vector_multiply ( T *  target,
const T *  v1,
const T *  v2,
int32_t  len 
)
static

Compute vector multiplication.

Definition at line 364 of file SGVector.h.

void zero ( )

Fill vector with zeros

Definition at line 168 of file SGVector.cpp.

void zero ( )

Definition at line 176 of file SGVector.cpp.

Friends And Related Function Documentation

friend class LinalgBackendEigen
friend

Definition at line 44 of file SGVector.h.

Member Data Documentation

std::shared_ptr<GPUMemoryBase<T> > gpu_ptr

GPU Vector structure. Stores pointer to the data on GPU.

Definition at line 547 of file SGVector.h.

T* vector

Pointer to memory where vector data is stored

Definition at line 543 of file SGVector.h.

index_t vlen

Length of vector

Definition at line 545 of file SGVector.h.


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

SHOGUN Machine Learning Toolbox - Documentation