/* function declarations for routines from Numerical Recipes */

void nrerror(char *msg);

float *vector(int nl, int nh);
void free_vector();
float **matrix(int nrl, int nrh, int ncl, int nch);
void free_matrix();

void svdcmp(float **a, int m, int n, float *w, float **v);
void svbksb(float **u, float *w, float **v, int m, int n, float *b, float *x);