microlab
/
scube
1
1
Fork 0
Code Issues Pull Requests Releases Activity
You cannot select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
2.0.x
Branches Tags
${ item.name }
Create tag ${ searchTerm }
Create branch ${ searchTerm }
from '819fa7216e'
${ noResults }
scube/Marlin/qr_solve.h

23 lines
1.1 KiB
C
Raw Normal View History Unescape Escape

Implemented a least squares fit of the bed equation for auto bed leveling. The code for the LSQ solver (qr_solve) is copyrighted by John Burkardt and released under LGPL here: http://people.sc.fsu.edu/~%20jburkardt/c_src/qr_solve/qr_solve.html (see qr_solve.cpp for further copyright information)
11 years ago
#include "Configuration.h"
Revert "Change Auto_Bed_Leveling to Auto_Bed_Compensation"
10 years ago
#ifdef AUTO_BED_LEVELING_GRID
Implemented a least squares fit of the bed equation for auto bed leveling. The code for the LSQ solver (qr_solve) is copyrighted by John Burkardt and released under LGPL here: http://people.sc.fsu.edu/~%20jburkardt/c_src/qr_solve/qr_solve.html (see qr_solve.cpp for further copyright information)
11 years ago
void daxpy ( int n, double da, double dx[], int incx, double dy[], int incy );
double ddot ( int n, double dx[], int incx, double dy[], int incy );
double dnrm2 ( int n, double x[], int incx );
void dqrank ( double a[], int lda, int m, int n, double tol, int *kr,
int jpvt[], double qraux[] );
void dqrdc ( double a[], int lda, int n, int p, double qraux[], int jpvt[],
double work[], int job );
int dqrls ( double a[], int lda, int m, int n, double tol, int *kr, double b[],
double x[], double rsd[], int jpvt[], double qraux[], int itask );
void dqrlss ( double a[], int lda, int m, int n, int kr, double b[], double x[],
double rsd[], int jpvt[], double qraux[] );
int dqrsl ( double a[], int lda, int n, int k, double qraux[], double y[],
double qy[], double qty[], double b[], double rsd[], double ab[], int job );
void dscal ( int n, double sa, double x[], int incx );
void dswap ( int n, double x[], int incx, double y[], int incy );
Get rid of malloc() and free() (PR#2549) Just the minimal changes to qr_solve.cpp and .h to get rid of malloc() and free(). Saves about 656 bytes of progmem (library-code) and 22 bytes for static variables. Should use exactly the same amount of stack as it did before on the heap.
9 years ago
void qr_solve ( double x[], int m, int n, double a[], double b[] );
Implemented a least squares fit of the bed equation for auto bed leveling. The code for the LSQ solver (qr_solve) is copyrighted by John Burkardt and released under LGPL here: http://people.sc.fsu.edu/~%20jburkardt/c_src/qr_solve/qr_solve.html (see qr_solve.cpp for further copyright information)
11 years ago
#endif