linalg.h

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#ifndef SRC_CLIMATH_LINALG_H_
#define SRC_CLIMATH_LINALG_H_
 
#ifdef __cplusplus
extern "C" {
#endif
 
double vvdot(double const *a, double const *b, int n);
void mvdot(double *r, double **m, double const *v, int n1, int n2);
int ludcmp(double **a, int n, int *indx);
void lubksb(double **a, int n, int *indx, double *b);
void leastsq(double **A, double *b, int n1, int n2);
void tridiag(int n, double *a, double *b, double *c, double *r, double *u,
             int pivot_type);
 
void band_decomp(int n, int m1, int m2, double *a, double *al, int *index,
                 double *d);
void band_back_sub(int n, int m1, int m2, double *a, double *al, int *index,
                   double *b);
void band_multiply(int n, int m1, int m2, double *a, double *x, double *b);
void band_improve(int n, int m1, int m2, double *aorig, double *a, double *al,
                  int *index, double *b, double *x);
 
#ifdef __cplusplus
} /* extern "C" */
#endif
 
#endif  // SRC_CLIMATH_LINALG_H_