Public Member Functions | |
CSparseGaussianKernel (int32_t size, float64_t width) | |
CSparseGaussianKernel (CSparseFeatures< float64_t > *l, CSparseFeatures< float64_t > *r, float64_t width) | |
virtual | ~CSparseGaussianKernel () |
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 EFeatureType | get_feature_type () |
virtual const char * | get_name () |
Protected Member Functions | |
virtual float64_t | compute (int32_t idx_a, int32_t idx_b) |
Protected Attributes | |
float64_t | width |
float64_t * | sq_lhs |
float64_t * | sq_rhs |
where is the kernel width.
Definition at line 27 of file SparseGaussianKernel.h.
CSparseGaussianKernel::CSparseGaussianKernel | ( | int32_t | size, | |
float64_t | width | |||
) |
constructor
size | cache size | |
width | width |
Definition at line 17 of file SparseGaussianKernel.cpp.
CSparseGaussianKernel::CSparseGaussianKernel | ( | CSparseFeatures< float64_t > * | l, | |
CSparseFeatures< float64_t > * | r, | |||
float64_t | width | |||
) |
constructor
l | features of left-hand side | |
r | features of right-hand side | |
width | width |
Definition at line 22 of file SparseGaussianKernel.cpp.
CSparseGaussianKernel::~CSparseGaussianKernel | ( | ) | [virtual] |
Definition at line 29 of file SparseGaussianKernel.cpp.
void CSparseGaussianKernel::cleanup | ( | ) | [virtual] |
float64_t CSparseGaussianKernel::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 76 of file SparseGaussianKernel.cpp.
virtual EFeatureType CSparseGaussianKernel::get_feature_type | ( | ) | [virtual] |
return feature type the kernel can deal with
Reimplemented from CSparseKernel< float64_t >.
Definition at line 84 of file SparseGaussianKernel.h.
virtual EKernelType CSparseGaussianKernel::get_kernel_type | ( | ) | [virtual] |
return what type of kernel we are
Implements CKernel.
Definition at line 78 of file SparseGaussianKernel.h.
virtual const char* CSparseGaussianKernel::get_name | ( | ) | [virtual] |
return the kernel's name
Implements CKernel.
Definition at line 90 of file SparseGaussianKernel.h.
initialize kernel
l | features of left-hand side | |
r | features of right-hand side |
free sq_{r,l}hs first
Reimplemented from CSparseKernel< float64_t >.
Definition at line 34 of file SparseGaussianKernel.cpp.
bool CSparseGaussianKernel::load_init | ( | FILE * | src | ) | [virtual] |
load kernel init_data
src | file to load from |
Implements CKernel.
Definition at line 66 of file SparseGaussianKernel.cpp.
bool CSparseGaussianKernel::save_init | ( | FILE * | dest | ) | [virtual] |
save kernel init_data
dest | file to save to |
Implements CKernel.
Definition at line 71 of file SparseGaussianKernel.cpp.
float64_t* CSparseGaussianKernel::sq_lhs [protected] |
squared left-hand side
Definition at line 107 of file SparseGaussianKernel.h.
float64_t* CSparseGaussianKernel::sq_rhs [protected] |
squared right-hand side
Definition at line 109 of file SparseGaussianKernel.h.
float64_t CSparseGaussianKernel::width [protected] |
width
Definition at line 105 of file SparseGaussianKernel.h.