Public Member Functions | |
CLinearKernel () | |
CLinearKernel (CRealFeatures *l, CRealFeatures *r) | |
virtual | ~CLinearKernel () |
virtual bool | init (CFeatures *l, CFeatures *r) |
virtual void | cleanup () |
virtual bool | load_init (FILE *src) |
virtual bool | save_init (FILE *dest) |
virtual EKernelType | get_kernel_type () |
virtual const char * | get_name () |
virtual bool | init_optimization (int32_t num_suppvec, int32_t *sv_idx, float64_t *alphas) |
virtual bool | delete_optimization () |
virtual float64_t | compute_optimized (int32_t idx) |
virtual void | clear_normal () |
virtual void | add_to_normal (int32_t idx, float64_t weight) |
const float64_t * | get_normal (int32_t &len) |
void | get_w (float64_t **dst_w, int32_t *dst_dims) |
void | set_w (float64_t *src_w, int32_t src_w_dim) |
Protected Member Functions | |
virtual float64_t | compute (int32_t idx_a, int32_t idx_b) |
Protected Attributes | |
float64_t * | normal |
int32_t | normal_length |
Definition at line 23 of file LinearKernel.h.
CLinearKernel::CLinearKernel | ( | ) |
constructor
Definition at line 17 of file LinearKernel.cpp.
CLinearKernel::CLinearKernel | ( | CRealFeatures * | l, | |
CRealFeatures * | r | |||
) |
constructor
l | features of left-hand side | |
r | features of right-hand side |
Definition at line 23 of file LinearKernel.cpp.
CLinearKernel::~CLinearKernel | ( | ) | [virtual] |
Definition at line 30 of file LinearKernel.cpp.
void CLinearKernel::add_to_normal | ( | int32_t | idx, | |
float64_t | weight | |||
) | [virtual] |
add to normal vector
idx | where to add | |
weight | what to add |
Reimplemented from CKernel.
Definition at line 73 of file LinearKernel.cpp.
void CLinearKernel::cleanup | ( | ) | [virtual] |
void CLinearKernel::clear_normal | ( | ) | [virtual] |
float64_t CLinearKernel::compute | ( | int32_t | idx_a, | |
int32_t | idx_b | |||
) | [protected, virtual] |
compute kernel function for features a and b idx_{a,b} denote the index of the feature vectors in the corresponding feature object
idx_a | index a | |
idx_b | index b |
Implements CKernel.
Definition at line 87 of file LinearKernel.cpp.
float64_t CLinearKernel::compute_optimized | ( | int32_t | idx | ) | [virtual] |
compute optimized
idx | index to compute |
Reimplemented from CKernel.
Definition at line 129 of file LinearKernel.cpp.
bool CLinearKernel::delete_optimization | ( | ) | [virtual] |
delete optimization
Reimplemented from CKernel.
Definition at line 119 of file LinearKernel.cpp.
virtual EKernelType CLinearKernel::get_kernel_type | ( | ) | [virtual] |
return what type of kernel we are
Implements CKernel.
Definition at line 68 of file LinearKernel.h.
virtual const char* CLinearKernel::get_name | ( | ) | [virtual] |
return the kernel's name
Implements CKernel.
Definition at line 74 of file LinearKernel.h.
const float64_t* CLinearKernel::get_normal | ( | int32_t & | len | ) |
get normal
len | where length of normal vector will be stored |
Definition at line 115 of file LinearKernel.h.
void CLinearKernel::get_w | ( | float64_t ** | dst_w, | |
int32_t * | dst_dims | |||
) |
get normal vector (swig compatible)
dst_w | store w in this argument | |
dst_dims | dimension of w |
Definition at line 134 of file LinearKernel.h.
initialize kernel
l | features of left-hand side | |
r | features of right-hand side |
Reimplemented from CSimpleKernel< float64_t >.
Definition at line 35 of file LinearKernel.cpp.
bool CLinearKernel::init_optimization | ( | int32_t | num_suppvec, | |
int32_t * | sv_idx, | |||
float64_t * | alphas | |||
) | [virtual] |
optimizable kernel, i.e. precompute normal vector and as phi(x) = x do scalar product in input space
num_suppvec | number of support vectors | |
sv_idx | support vector index | |
alphas | alphas |
Reimplemented from CKernel.
Definition at line 107 of file LinearKernel.cpp.
bool CLinearKernel::load_init | ( | FILE * | src | ) | [virtual] |
load kernel init_data
src | file to load from |
Implements CKernel.
Definition at line 49 of file LinearKernel.cpp.
bool CLinearKernel::save_init | ( | FILE * | dest | ) | [virtual] |
save kernel init_data
dest | file to save to |
Implements CKernel.
Definition at line 54 of file LinearKernel.cpp.
void CLinearKernel::set_w | ( | float64_t * | src_w, | |
int32_t | src_w_dim | |||
) |
set normal vector (swig compatible)
src_w | new w | |
src_w_dim | dimension of new w - must fit dim of lhs |
Definition at line 150 of file LinearKernel.h.
float64_t* CLinearKernel::normal [protected] |
normal vector (used in case of optimized kernel)
Definition at line 170 of file LinearKernel.h.
int32_t CLinearKernel::normal_length [protected] |
length of normal vector
Definition at line 172 of file LinearKernel.h.