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added QR and LU decomposition

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This commit is contained in:
Francesco Cozzuto
2023-03-27 23:08:03 +02:00
parent 80f263a03b
commit a4907f39ff
5 changed files with 367 additions and 8 deletions
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src/lina.h
+15 -6
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@@ -1,16 +1,25 @@
#include <stdbool.h>
/* ---- Operations ---- */
void lina_dot(double *A, double *B, double *C, int m, int n, int l);
void lina_add(double *A, double *B, double *C, int m, int n);
void lina_scale(double *A, double *B, double k, int m, int n);
void lina_transpose(double *A, double *B, int m, int n);
void lina_conv(double *A, double *B, double *C,
int Aw, int Ah, int Bw, int Bh);
void lina_dot(double *A, double *B, double *C, int m, int n, int l);
void lina_add(double *A, double *B, double *C, int m, int n);
double lina_mul(double *v, int n);
bool lina_det(double *A, int n, double *det);
void lina_scale(double *A, double *B, double k, int m, int n);
void lina_transpose(double *A, double *B, int m, int n);
void lina_conv(double *A, double *B, double *C,
int Aw, int Ah, int Bw, int Bh);
void lina_dot2(double *A, double *B, double *C,
int As, int Bs, int Cs,
int m, int n, int l);
bool lina_eig(double *M, double *E, int n);
void lina_decompLU(double *A, double *L, double *U, int n);
void lina_decompQR(double *A, double *Q, double *R, int n);
void lina_orthoNormGramSchmidt(double *A, double *Q, int n);
/* ---- Utilities ---- */
double *lina_loadMatrixFromStream(FILE *fp, int *width, int *height, char **error);
int lina_saveMatrixToStream(FILE *fp, double *A, int width, int height, char **error);