Data Structures | Macros | Functions
pca.c File Reference

principal component analysis (PCA) More...

#include "common.h"
#include "pca.h"

Go to the source code of this file.

Data Structures

struct  PCA


#define ROTATE(a, i, j, k, l)


PCAff_pca_init (int n)
void ff_pca_free (PCA *pca)
void ff_pca_add (PCA *pca, const double *v)
int ff_pca (PCA *pca, double *eigenvector, double *eigenvalue)

Detailed Description

principal component analysis (PCA)

Definition in file pca.c.

Macro Definition Documentation

#define ROTATE (   a,
double g=a[j + i*n];\
double h=a[l + k*n];\
a[j + i*n]=g-s*(h+g*tau);\
a[l + k*n]=h+s*(g-h*tau); }
const char * g
Definition: vf_curves.c:115
The reader does not expect b to be semantically here and if the code is changed by maybe adding a a division or other the signedness will almost certainly be mistaken To avoid this confusion a new type was SUINT is the C unsigned type but it holds a signed int to use the same example SUINT a
Definition: undefined.txt:36
#define s(width, name)
Definition: cbs_vp9.c:257
int i
Definition: input.c:407

Referenced by ff_pca().

Function Documentation

PCA* ff_pca_init ( int  n)

Definition at line 38 of file pca.c.

Referenced by main().

void ff_pca_free ( PCA pca)

Definition at line 61 of file pca.c.

Referenced by ff_pca_init().

void ff_pca_add ( PCA pca,
const double *  v 

Definition at line 68 of file pca.c.

Referenced by main().

int ff_pca ( PCA pca,
double *  eigenvector,
double *  eigenvalue 

Definition at line 80 of file pca.c.

Referenced by main().