Date: 2023-09-05T10:17:45+00:00

Actual source code: dvdtestconv.c
slepc-3.19.2 2023-09-05
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      1: /*
      2:    - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
      3:    SLEPc - Scalable Library for Eigenvalue Problem Computations
      4:    Copyright (c) 2002-, Universitat Politecnica de Valencia, Spain

      6:    This file is part of SLEPc.
      7:    SLEPc is distributed under a 2-clause BSD license (see LICENSE).
      8:    - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
      9: */
     10: /*
     11:    SLEPc eigensolver: "davidson"

     13:    Step: test for convergence
     14: */

     16: #include "davidson.h"

     18: static PetscBool dvd_testconv_slepc_0(dvdDashboard *d,PetscScalar eigvr,PetscScalar eigvi,PetscReal r,PetscReal *err)
     19: {
     20:   PetscFunctionBegin;
     21:   PetscCallAbort(PetscObjectComm((PetscObject)d->eps),(*d->eps->converged)(d->eps,eigvr,eigvi,r,err,d->eps->convergedctx));
     22:   PetscFunctionReturn(PetscNot(*err>=d->eps->tol));
     23: }

     25: PetscErrorCode dvd_testconv_slepc(dvdDashboard *d, dvdBlackboard *b)
     26: {
     27:   PetscFunctionBegin;
     28:   /* Setup the step */
     29:   if (b->state >= DVD_STATE_CONF) {
     30:     PetscCall(PetscFree(d->testConv_data));
     31:     d->testConv = dvd_testconv_slepc_0;
     32:   }
     33:   PetscFunctionReturn(PETSC_SUCCESS);
     34: }