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d03f037a92
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.
23 lines
1.1 KiB
C
23 lines
1.1 KiB
C
#include "Configuration.h"
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#ifdef AUTO_BED_LEVELING_GRID
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void daxpy ( int n, double da, double dx[], int incx, double dy[], int incy );
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double ddot ( int n, double dx[], int incx, double dy[], int incy );
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double dnrm2 ( int n, double x[], int incx );
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void dqrank ( double a[], int lda, int m, int n, double tol, int *kr,
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int jpvt[], double qraux[] );
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void dqrdc ( double a[], int lda, int n, int p, double qraux[], int jpvt[],
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double work[], int job );
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int dqrls ( double a[], int lda, int m, int n, double tol, int *kr, double b[],
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double x[], double rsd[], int jpvt[], double qraux[], int itask );
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void dqrlss ( double a[], int lda, int m, int n, int kr, double b[], double x[],
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double rsd[], int jpvt[], double qraux[] );
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int dqrsl ( double a[], int lda, int n, int k, double qraux[], double y[],
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double qy[], double qty[], double b[], double rsd[], double ab[], int job );
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void dscal ( int n, double sa, double x[], int incx );
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void dswap ( int n, double x[], int incx, double y[], int incy );
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void qr_solve ( double x[], int m, int n, double a[], double b[] );
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#endif
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