#include "davidsones.h"
#define DVD_CHECKSUM(b) \
( (b)->max_size_V + (b)->max_size_auxV + (b)->max_size_auxS + \
(b)->own_vecs + (b)->own_scalars + (b)->max_size_oldX )
EXTERN_C_BEGIN
#undef __FUNCT__
#define __FUNCT__ "dvd_schm_basic_preconf"
PetscErrorCode dvd_schm_basic_preconf(dvdDashboard *d, dvdBlackboard *b,
PetscInt max_size_V, PetscInt min_size_V, PetscInt bs, PetscInt size_initV,
PetscInt plusk, PC pc)
{
PetscErrorCode ierr;
PetscInt check_sum0, check_sum1;
PetscFunctionBegin;
ierr = PetscMemzero(b, sizeof(dvdBlackboard)); CHKERRQ(ierr);
b->state = DVD_STATE_PRECONF;
for(check_sum0=-1,check_sum1=DVD_CHECKSUM(b); check_sum0 != check_sum1;
check_sum0 = check_sum1, check_sum1 = DVD_CHECKSUM(b)) {
b->own_vecs = b->own_scalars = 0;
/* Setup basic management of V */
dvd_managementV_basic(d, b, bs, max_size_V, min_size_V, plusk, PETSC_TRUE);
/* Setup random subspace for V */
dvd_initV_classic(d, b, size_initV);
/* Keep V orthonormalized */
dvd_orthV(d, b, 0, PETSC_NULL, PETSC_NULL);
/* Setup basic testing convergence routines */
dvd_testconv_basic(d, b);
/* Setup Raileigh-Ritz for selecting the best eigenpairs in V */
dvd_calcpairs_qz(d, b, PETSC_NULL);
/* Setup GD method for improving the eigenvectors */
if (pc == 0) dvd_jacobi_precond(d, b);
//dvd_improvex_gdbasic(d, b, PETSC_NULL, PETSC_NULL);
dvd_improvex_gdolsen(d, b);
}
PetscFunctionReturn(0);
}
EXTERN_C_END
EXTERN_C_BEGIN
#undef __FUNCT__
#define __FUNCT__ "dvd_schm_basic_conf"
PetscErrorCode dvd_schm_basic_conf(dvdDashboard *d, dvdBlackboard *b,
PetscInt max_size_V, PetscInt min_size_V, PetscInt bs, PetscInt size_initV,
PetscInt plusk, PC pc, Vec diagA, IP ip)
{
PetscErrorCode ierr;
PetscInt check_sum0, check_sum1;
dvdPrecond pf;
dvdPrecondData pd;
Vec *fv;
PetscScalar *fs;
PetscFunctionBegin;
b->state = DVD_STATE_CONF;
check_sum0 = b->max_size_V + b->max_size_auxV + b->max_size_auxS +
b->own_vecs + b->own_scalars + b->max_size_oldX;
b->own_vecs = 0; b->own_scalars = 0;
fv = b->free_vecs; fs = b->free_scalars;
/* Setup basic management of V */
dvd_managementV_basic(d, b, bs, max_size_V, min_size_V, plusk, PETSC_TRUE);
/* Setup random subspace for V */
dvd_initV_classic(d, b, size_initV);
/* Keep V orthonormalized */
if (DVD_IS(d->sEP, DVD_EP_HERMITIAN))
dvd_orthV(d, b, ip, &d->cX, &d->size_cX);
else
dvd_orthV(d, b, ip, &d->cY, &d->size_cY);
/* Setup basic testing convergence routines */
dvd_testconv_basic(d, b);
/* Setup Raileigh-Ritz for selecting the best eigenpairs in V */
dvd_calcpairs_qz(d, b, ip);
/* Setup GD method for improving the eigenvectors */
if(pc) {
//TODO: rewrite to fit the new philosophy
ierr = dvd_static_precond_PC(d, pc, &pf, &pd); CHKERRQ(ierr);
} else {
dvd_jacobi_precond(d, b);
}
//dvd_improvex_gdbasic(d, b, pf, pd);
dvd_improvex_gdolsen(d, b);
check_sum1 = b->max_size_V + b->max_size_auxV + b->max_size_auxS +
b->own_vecs + b->own_scalars + b->max_size_oldX;
if ((check_sum0 != check_sum1) ||
(fv + b->own_vecs != b->free_vecs) ||
(fs + b->own_scalars < b->free_scalars))
SETERRQ(1, "Something awful happened!");
PetscFunctionReturn(0);
}
EXTERN_C_END