scamac_docs/scamac__lanczos_8h_source.html

 #ifndef SCAMAC_LANCZOS_H
 #define SCAMAC_LANCZOS_H

 #include "scamac_matop.h"
 #include "scamac_generator.h"

 //ScamacErrorCode scamac_lanczos_ev_mat(const ScamacMatrix *sm, double tol, double *ev1, double *ev2, double *eps1, double *eps2);
 ScamacErrorCode scamac_lanczos_ev(const ScamacMatop *sm, double tol, double *ev1, double *ev2, double *eps1, double *eps2);

 // the "working horses"
 ScamacErrorCode scamac_lanczos_ev_real(const ScamacMatop *sm, double tol, double *ev1, double *ev2, double *eps1, double *eps2);
 ScamacErrorCode scamac_lanczos_ev_cplx(const ScamacMatop *sm, double tol, double *ev1, double *ev2, double *eps1, double *eps2);

 #endif /* SCAMAC_LANCZOS_H */
scamac_lanczos_ev
ScamacErrorCode scamac_lanczos_ev(const ScamacMatop *sm, double tol, double *ev1, double *ev2, double *eps1, double *eps2)
Lanczos for extremal eigenvalues of sparse matrix.

scamac_generator.h
generic ScaMaC generator routines

scamac_matop.h
Sparse matrix creation and manipulation.

scamac_lanczos_ev_real
ScamacErrorCode scamac_lanczos_ev_real(const ScamacMatop *sm, double tol, double *ev1, double *ev2, double *eps1, double *eps2)
Lanczos for extremal eigenvalues of real (symmetric) matrix (computational routine) ...

scamac_lanczos_ev_cplx
ScamacErrorCode scamac_lanczos_ev_cplx(const ScamacMatop *sm, double tol, double *ev1, double *ev2, double *eps1, double *eps2)
Lanczos for extremal eigenvalues of complex (hermitian) matrix (computational routine) ...