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vnl_fastops Class Reference

#include <vnl_fastops.h>

List of all members.

Static Public Methods

void AtA (const vnl_matrix< double > &A, vnl_matrix< double > *out)
void AB (const vnl_matrix< double > &A, const vnl_matrix< double > &B, vnl_matrix< double > *out)
void AtB (const vnl_matrix< double > &A, const vnl_matrix< double > &B, vnl_matrix< double > *out)
void AtB (const vnl_matrix< double > &A, const vnl_vector< double > &B, vnl_vector< double > *out)
void ABt (const vnl_matrix< double > &A, const vnl_matrix< double > &B, vnl_matrix< double > *out)
void inc_X_by_AtB (vnl_matrix< double > &X, const vnl_matrix< double > &A, const vnl_matrix< double > &B)
void inc_X_by_AtB (vnl_vector< double > &X, const vnl_matrix< double > &A, const vnl_vector< double > &B)
void inc_X_by_AtA (vnl_matrix< double > &X, const vnl_matrix< double > &A)
void dec_X_by_AtB (vnl_matrix< double > &X, const vnl_matrix< double > &A, const vnl_matrix< double > &B)
void dec_X_by_AtA (vnl_matrix< double > &X, const vnl_matrix< double > &A)
void dec_X_by_ABt (vnl_matrix< double > &X, const vnl_matrix< double > &A, const vnl_matrix< double > &B)
double dot (const double *a, const double *b, int n)

Detailed Description

Collection of C-style matrix functions for the most. time-critical applications. In general, however one should consider using the vnl_transpose envelope-letter class to achieve the same results with about a 10% speed penalty.

Definition at line 22 of file vnl_fastops.h.

Member Function Documentation

void vnl_fastops::AB (  const vnl_matrix< double > &    A,
const vnl_matrix< double > &    B,
vnl_matrix< double > *    out
)  [static]
 

void vnl_fastops::ABt (  const vnl_matrix< double > &    A,
const vnl_matrix< double > &    B,
vnl_matrix< double > *    out
)  [static]
 

Referenced by vnl_transpose::operator *().

void vnl_fastops::AtA (  const vnl_matrix< double > &    A,
vnl_matrix< double > *    out
)  [static]
 

void vnl_fastops::AtB (  const vnl_matrix< double > &    A,
const vnl_vector< double > &    B,
vnl_vector< double > *    out
)  [static]
 

void vnl_fastops::AtB (  const vnl_matrix< double > &    A,
const vnl_matrix< double > &    B,
vnl_matrix< double > *    out
)  [static]
 

Referenced by vnl_transpose::asMatrix(), and vnl_transpose::operator *().

void vnl_fastops::dec_X_by_ABt (  vnl_matrix< double > &    X,
const vnl_matrix< double > &    A,
const vnl_matrix< double > &    B
)  [static]
 

void vnl_fastops::dec_X_by_AtA (  vnl_matrix< double > &    X,
const vnl_matrix< double > &    A
)  [static]
 

void vnl_fastops::dec_X_by_AtB (  vnl_matrix< double > &    X,
const vnl_matrix< double > &    A,
const vnl_matrix< double > &    B
)  [static]
 

double vnl_fastops::dot (  const double *    a,
const double *    b,
int    n
)  [static]
 

void vnl_fastops::inc_X_by_AtA (  vnl_matrix< double > &    X,
const vnl_matrix< double > &    A
)  [static]
 

void vnl_fastops::inc_X_by_AtB (  vnl_vector< double > &    X,
const vnl_matrix< double > &    A,
const vnl_vector< double > &    B
)  [static]
 

void vnl_fastops::inc_X_by_AtB (  vnl_matrix< double > &    X,
const vnl_matrix< double > &    A,
const vnl_matrix< double > &    B
)  [static]
 

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