Actual source code: chebyshevimpl.h

petsc-3.7.5 2017-01-01
Report Typos and Errors
  1: /*
  2:     Private data structure for Chebyshev Iteration
  3: */


  8: typedef struct {
  9:   PetscReal        emin,emax;    /* store user provided estimates of extreme eigenvalues */
 10:   KSP              kspest;       /* KSP used to estimate eigenvalues */
 11:   PetscReal        tform[4];     /* transform from Krylov estimates to Chebyshev bounds */
 12:   PetscInt         eststeps;     /* number of kspest steps in KSP used to estimate eigenvalues */
 13:   PetscBool        userandom;    /* use random right hand side vector to estimate eigenvalues */
 14:   PetscRandom      random;
 15:   /* For tracking when to update the eigenvalue estimates */
 16:   PetscObjectId    amatid,    pmatid;
 17:   PetscObjectState amatstate, pmatstate;
 18: } KSP_Chebyshev;

 20: #endif