Classes | Public Member Functions | Static Public Member Functions | Public Attributes | Protected Member Functions

SGVector< T > Class Template Reference


Detailed Description

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

shogun vector

Definition at line 28 of file SGVector.h.

Inheritance diagram for SGVector< T >:
Inheritance graph
[legend]

List of all members.

Classes

struct  IndexSorter

Public Member Functions

 SGVector ()
 SGVector (T *v, index_t len, bool ref_counting=true)
 SGVector (index_t len, bool ref_counting=true)
 SGVector (const SGVector &orig)
virtual ~SGVector ()
int32_t size () const
 operator T * ()
void zero ()
void set_const (T const_elem)
void range_fill (T start=0)
void random (T min_value, T max_value)
void randperm ()
SGVector< T > clone () const
const T & get_element (index_t index)
void set_element (const T &p_element, index_t index)
void resize_vector (int32_t n)
const T & operator[] (index_t index) const
T & operator[] (index_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)
void permute ()
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)
SGVector< index_tsorted_index ()
void scale (T alpha)
 scale vector inplace
float64_t mean () const
void load (CFile *loader)
void save (CFile *saver)
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<>
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)
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 void randperm (T *perm, int32_t n)
static void permute (T *vec, int32_t n)
static void permute_vector (SGVector< T > vec)
static void resize (T *&data, int64_t old_size, int64_t new_size)
static T twonorm (const T *x, int32_t len)
 || x ||_2
static float64_t onenorm (T *x, int32_t len)
 || x ||_1
static T qsq (T *x, int32_t len, float64_t q)
 || x ||_q^q
static T qnorm (T *x, int32_t len, float64_t q)
 || x ||_q
static void vec1_plus_scalar_times_vec2 (float64_t *vec1, const float64_t scalar, const float64_t *vec2, int32_t n)
 x=x+alpha*y (blas optimized)
static void vec1_plus_scalar_times_vec2 (float32_t *vec1, const float32_t scalar, const float32_t *vec2, int32_t n)
 x=x+alpha*y (blas optimized)
static float64_t dot (const bool *v1, const bool *v2, int32_t n)
 compute dot product between v1 and v2 (blas optimized)
static floatmax_t dot (const floatmax_t *v1, const floatmax_t *v2, int32_t n)
 compute dot product between v1 and v2 (blas optimized)
static float64_t dot (const float64_t *v1, const float64_t *v2, int32_t n)
 compute dot product between v1 and v2 (blas optimized)
static float32_t dot (const float32_t *v1, const float32_t *v2, int32_t n)
 compute dot product between v1 and v2 (blas optimized)
static float64_t dot (const uint64_t *v1, const uint64_t *v2, int32_t n)
 compute dot product between v1 and v2 (for 64bit unsigned ints)
static float64_t dot (const int64_t *v1, const int64_t *v2, int32_t n)
 compute dot product between v1 and v2 (for 64bit ints)
static float64_t dot (const int32_t *v1, const int32_t *v2, int32_t n)
 compute dot product between v1 and v2 (for 32bit ints)
static float64_t dot (const uint32_t *v1, const uint32_t *v2, int32_t n)
 compute dot product between v1 and v2 (for 32bit unsigned ints)
static float64_t dot (const uint16_t *v1, const uint16_t *v2, int32_t n)
 compute dot product between v1 and v2 (for 16bit unsigned ints)
static float64_t dot (const int16_t *v1, const int16_t *v2, int32_t n)
 compute dot product between v1 and v2 (for 16bit unsigned ints)
static float64_t dot (const char *v1, const char *v2, int32_t n)
 compute dot product between v1 and v2 (for 8bit (un)signed ints)
static float64_t dot (const uint8_t *v1, const uint8_t *v2, int32_t n)
 compute dot product between v1 and v2 (for 8bit (un)signed ints)
static float64_t dot (const int8_t *v1, const int8_t *v2, int32_t n)
 compute dot product between v1 and v2 (for 8bit (un)signed ints)
static float64_t dot (const float64_t *v1, const char *v2, int32_t n)
 compute dot product between v1 and v2
static void vector_multiply (T *target, const T *v1, const T *v2, int32_t len)
 compute vector multiplication
static void add (T *target, T alpha, const T *v1, T beta, const T *v2, int32_t len)
 target=alpha*vec1 + beta*vec2
static void add_scalar (T alpha, T *vec, int32_t len)
 add scalar to vector inplace
static void scale_vector (T alpha, T *vec, int32_t len)
 scale vector inplace
static T sum (T *vec, int32_t len)
 return sum(vec)
static T sum (SGVector< T > vec)
 return sum(vec)
static T min (T *vec, int32_t len)
static T max (T *vec, int32_t len)
static int32_t arg_max (T *vec, int32_t inc, int32_t len, T *maxv_ptr=NULL)
 return arg_max(vec)
static int32_t arg_min (T *vec, int32_t inc, int32_t len, T *minv_ptr=NULL)
 return arg_min(vec)
static T sum_abs (T *vec, int32_t len)
 return sum(abs(vec))
static bool fequal (T x, T y, float64_t precision=1e-6)
 return sum(abs(vec))
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)
static void display_vector (const SGVector< T >, const char *name="vector", const char *prefix="")
 display vector (useful for debugging)

Public Attributes

T * vector
index_t vlen

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 ()

Constructor & Destructor Documentation

SGVector (  ) 

default constructor

Definition at line 25 of file SGVector.cpp.

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

constructor for setting params

Definition at line 30 of file SGVector.cpp.

SGVector ( index_t  len,
bool  ref_counting = true 
)

constructor to create new vector in memory

Definition at line 35 of file SGVector.cpp.

SGVector ( const SGVector< T > &  orig  ) 

copy constructor

Definition at line 41 of file SGVector.cpp.

~SGVector (  )  [virtual]

empty destructor

Definition at line 46 of file SGVector.cpp.


Member Function Documentation

void add ( const SGVector< T >  x  ) 

add vector to current vector

Parameters:
x add vector x to current vector

Definition at line 104 of file SGVector.cpp.

void add ( const SGSparseVector< T > &  x  ) 

add sparse vector to current vector

Parameters:
x add sparse vector x to current vector

Definition at line 121 of file SGVector.cpp.

void add ( const T  x  ) 

add scalar to current vector

Parameters:
x add vector x to current vector

Definition at line 113 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 385 of file SGVector.h.

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

add scalar to vector inplace

Definition at line 394 of file SGVector.h.

static int32_t arg_max ( T *  vec,
int32_t  inc,
int32_t  len,
T *  maxv_ptr = NULL 
) [static]

return arg_max(vec)

Definition at line 431 of file SGVector.h.

static int32_t arg_min ( T *  vec,
int32_t  inc,
int32_t  len,
T *  minv_ptr = NULL 
) [static]

return arg_min(vec)

Definition at line 451 of file SGVector.h.

SGVector< T > clone (  )  const

clone vector

Definition at line 78 of file SGVector.cpp.

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

clone vector

Definition at line 81 of file SGVector.h.

void copy_data ( const SGReferencedData orig  )  [protected, virtual]

needs to be overridden to copy data

Implements SGReferencedData.

Definition at line 139 of file SGVector.cpp.

void copy_refcount ( const SGReferencedData orig  )  [protected, inherited]

copy refcount

Definition at line 102 of file SGReferencedData.h.

void display_size (  )  const

display array size

Definition at line 134 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 165 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 bool *  vector,
int32_t  n,
const char *  name,
const char *  prefix 
)

Definition at line 172 of file SGVector.cpp.

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

Definition at line 183 of file SGVector.cpp.

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

Definition at line 194 of file SGVector.cpp.

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

Definition at line 205 of file SGVector.cpp.

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

Definition at line 216 of file SGVector.cpp.

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

Definition at line 294 of file SGVector.cpp.

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

Definition at line 227 of file SGVector.cpp.

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

Definition at line 238 of file SGVector.cpp.

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

Definition at line 249 of file SGVector.cpp.

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

Definition at line 261 of file SGVector.cpp.

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

Definition at line 272 of file SGVector.cpp.

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

Definition at line 283 of file SGVector.cpp.

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

Definition at line 305 of file SGVector.cpp.

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

display vector

Definition at line 158 of file SGVector.cpp.

static float64_t dot ( const bool *  v1,
const bool *  v2,
int32_t  n 
) [static]

compute dot product between v1 and v2 (blas optimized)

Definition at line 242 of file SGVector.h.

static floatmax_t dot ( const floatmax_t v1,
const floatmax_t v2,
int32_t  n 
) [static]

compute dot product between v1 and v2 (blas optimized)

Definition at line 251 of file SGVector.h.

float64_t dot ( const float64_t v1,
const float64_t v2,
int32_t  n 
) [static]

compute dot product between v1 and v2 (blas optimized)

Definition at line 345 of file SGVector.cpp.

float32_t dot ( const float32_t v1,
const float32_t v2,
int32_t  n 
) [static]

compute dot product between v1 and v2 (blas optimized)

Definition at line 365 of file SGVector.cpp.

static float64_t dot ( const uint64_t *  v1,
const uint64_t *  v2,
int32_t  n 
) [static]

compute dot product between v1 and v2 (for 64bit unsigned ints)

Definition at line 267 of file SGVector.h.

static float64_t dot ( const int64_t *  v1,
const int64_t *  v2,
int32_t  n 
) [static]

compute dot product between v1 and v2 (for 64bit ints)

Definition at line 277 of file SGVector.h.

static float64_t dot ( const int32_t *  v1,
const int32_t *  v2,
int32_t  n 
) [static]

compute dot product between v1 and v2 (for 32bit ints)

Definition at line 288 of file SGVector.h.

static float64_t dot ( const uint16_t *  v1,
const uint16_t *  v2,
int32_t  n 
) [static]

compute dot product between v1 and v2 (for 16bit unsigned ints)

Definition at line 310 of file SGVector.h.

static float64_t dot ( const uint32_t *  v1,
const uint32_t *  v2,
int32_t  n 
) [static]

compute dot product between v1 and v2 (for 32bit unsigned ints)

Definition at line 299 of file SGVector.h.

static float64_t dot ( const int16_t *  v1,
const int16_t *  v2,
int32_t  n 
) [static]

compute dot product between v1 and v2 (for 16bit unsigned ints)

Definition at line 321 of file SGVector.h.

static float64_t dot ( const char *  v1,
const char *  v2,
int32_t  n 
) [static]

compute dot product between v1 and v2 (for 8bit (un)signed ints)

Definition at line 332 of file SGVector.h.

static float64_t dot ( const uint8_t *  v1,
const uint8_t *  v2,
int32_t  n 
) [static]

compute dot product between v1 and v2 (for 8bit (un)signed ints)

Definition at line 343 of file SGVector.h.

static float64_t dot ( const int8_t *  v1,
const int8_t *  v2,
int32_t  n 
) [static]

compute dot product between v1 and v2 (for 8bit (un)signed ints)

Definition at line 354 of file SGVector.h.

static float64_t dot ( const float64_t v1,
const char *  v2,
int32_t  n 
) [static]

compute dot product between v1 and v2

Definition at line 365 of file SGVector.h.

bool fequal ( x,
y,
float64_t  precision = 1e-6 
) [static]

return sum(abs(vec))

Definition at line 619 of file SGVector.cpp.

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

fill vector

Definition at line 89 of file SGVector.h.

SGVector< index_t > find ( elem  ) 

find index for occurance of an element

Parameters:
elem the element to find

Definition at line 639 of file SGVector.cpp.

SGVector<index_t> find_if ( Predicate  p  ) 

find index for elements where the predicate returns true

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

Definition at line 507 of file SGVector.h.

void free_data (  )  [protected, virtual]

needs to be overridden to free data

Implements SGReferencedData.

Definition at line 151 of file SGVector.cpp.

const T & get_element ( index_t  index  ) 

get vector element at index

Parameters:
index index
Returns:
vector element at index

Definition at line 83 of file SGVector.cpp.

void init_data (  )  [protected, virtual]

needs to be overridden to initialize empty data

Implements SGReferencedData.

Definition at line 145 of file SGVector.cpp.

void load ( CFile loader  ) 

load vector from file

Parameters:
loader File object via which to load data

Definition at line 666 of file SGVector.cpp.

T max ( T *  vec,
int32_t  len 
) [static]
Returns:
max(vec)

Definition at line 595 of file SGVector.cpp.

float64_t mean (  )  const

compute the mean value of the vector

Returns:
the mean value

Definition at line 656 of file SGVector.cpp.

T min ( T *  vec,
int32_t  len 
) [static]
Returns:
min(vec)

Definition at line 582 of file SGVector.cpp.

float64_t onenorm ( T *  x,
int32_t  len 
) [static]

|| x ||_1

Definition at line 552 of file SGVector.cpp.

operator T * (  ) 

cast to pointer

Definition at line 50 of file SGVector.h.

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

addition operator

Definition at line 172 of file SGVector.h.

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

inplace addition operator for sparse vector

Definition at line 190 of file SGVector.h.

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

inplace addition operator

Definition at line 183 of file SGVector.h.

const T& operator[] ( index_t  index  )  const

operator overload for vector read only access

Parameters:
index dimension to access

Definition at line 138 of file SGVector.h.

T& operator[] ( index_t  index  ) 

operator overload for vector r/w access

Parameters:
index dimension to access

Definition at line 148 of file SGVector.h.

void permute (  ) 

create a random permutation in place

Definition at line 409 of file SGVector.cpp.

void permute ( T *  vec,
int32_t  n 
) [static]

permute

Definition at line 403 of file SGVector.cpp.

void permute_vector ( SGVector< T >  vec  )  [static]

permute vector

Definition at line 415 of file SGVector.cpp.

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

|| x ||_q

Definition at line 574 of file SGVector.cpp.

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

|| x ||_q^q

Definition at line 563 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 68 of file SGVector.cpp.

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

random vector

Definition at line 386 of file SGVector.cpp.

void randperm ( T *  perm,
int32_t  n 
) [static]

random permatutaion

Definition at line 394 of file SGVector.cpp.

void randperm (  ) 

random permutate

Definition at line 73 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 63 of file SGVector.cpp.

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

range fill vector

Definition at line 96 of file SGVector.h.

int32_t ref (  )  [protected, inherited]

increase reference counter

Returns:
reference count

Definition at line 111 of file SGReferencedData.h.

int32_t ref_count (  )  [inherited]

display reference counter

Returns:
reference count

Definition at line 81 of file SGReferencedData.h.

static void resize ( T *&  data,
int64_t  old_size,
int64_t  new_size 
) [static]

resize array from old_size to new_size (keeping as much array content as possible intact)

Definition at line 205 of file SGVector.h.

void resize_vector ( int32_t  n  ) 

resize vector

Parameters:
n new size
Returns:
if resizing was successful

Definition at line 95 of file SGVector.cpp.

void save ( CFile saver  ) 

save vector to file

Parameters:
saver File object via which to save data

Definition at line 674 of file SGVector.cpp.

void scale ( alpha  ) 

scale vector inplace

Definition at line 651 of file SGVector.cpp.

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

scale vector inplace

Definition at line 401 of file SGVector.h.

void set_const ( const_elem  ) 

set vector to a constant

Parameters:
const_elem - value to set vector to

Definition at line 57 of file SGVector.cpp.

void set_element ( const T &  p_element,
index_t  index 
)

set vector element at index 'index' return false in case of trouble

Parameters:
p_element vector element to set
index index
Returns:
if setting was successful

Definition at line 89 of file SGVector.cpp.

int32_t size (  )  const

size

Definition at line 47 of file SGVector.h.

SGVector<index_t> sorted_index (  ) 

get sorted index.

idx = v.sorted_index() is similar to Matlab [~, idx] = sort(v)

Returns:
sorted index for this vector

Definition at line 541 of file SGVector.h.

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

return sum(vec)

Definition at line 408 of file SGVector.h.

static T sum ( SGVector< T >  vec  )  [static]

return sum(vec)

Definition at line 418 of file SGVector.h.

T sum_abs ( T *  vec,
int32_t  len 
) [static]

return sum(abs(vec))

Definition at line 608 of file SGVector.cpp.

uint64_t twonorm ( const uint64_t *  x,
int32_t  len 
)

Definition at line 509 of file SGVector.cpp.

float32_t twonorm ( const float32_t x,
int32_t  len 
)

Definition at line 519 of file SGVector.cpp.

uint32_t twonorm ( const uint32_t *  x,
int32_t  len 
)

Definition at line 489 of file SGVector.cpp.

float64_t twonorm ( const float64_t v,
int32_t  n 
)

Definition at line 529 of file SGVector.cpp.

floatmax_t twonorm ( const floatmax_t x,
int32_t  len 
)

Definition at line 541 of file SGVector.cpp.

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

|| x ||_2

int16_t twonorm ( const int16_t *  x,
int32_t  len 
)

Definition at line 459 of file SGVector.cpp.

int64_t twonorm ( const int64_t *  x,
int32_t  len 
)

Definition at line 499 of file SGVector.cpp.

uint8_t twonorm ( const uint8_t *  x,
int32_t  len 
)

Definition at line 449 of file SGVector.cpp.

int32_t twonorm ( const int32_t *  x,
int32_t  len 
)

Definition at line 479 of file SGVector.cpp.

int8_t twonorm ( const int8_t *  x,
int32_t  len 
)

Definition at line 439 of file SGVector.cpp.

bool twonorm ( const bool *  x,
int32_t  len 
)

Definition at line 425 of file SGVector.cpp.

char twonorm ( const char *  x,
int32_t  len 
)

Definition at line 432 of file SGVector.cpp.

uint16_t twonorm ( const uint16_t *  x,
int32_t  len 
)

Definition at line 469 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 625 of file SGVector.cpp.

int32_t unref (  )  [protected, inherited]

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

Returns:
reference count

Definition at line 136 of file SGReferencedData.h.

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

x=x+alpha*y (blas optimized)

Definition at line 319 of file SGVector.cpp.

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

x=x+alpha*y (blas optimized)

Definition at line 332 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 376 of file SGVector.h.

void zero (  ) 

fill vector with zeros

Definition at line 51 of file SGVector.cpp.


Member Data Documentation

T* vector

vector

Definition at line 586 of file SGVector.h.

length of vector

Definition at line 588 of file SGVector.h.


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