Actual source code: zlmef.c

slepc-3.22.2 2024-12-02
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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: */

 11: #include <petsc/private/fortranimpl.h>
 12: #include <slepclme.h>

 14: #if defined(PETSC_HAVE_FORTRAN_CAPS)
 15: #define lmemonitordefault_                LMEMONITORDEFAULT
 16: #define lmemonitorset_                    LMEMONITORSET
 17: #elif !defined(PETSC_HAVE_FORTRAN_UNDERSCORE)
 18: #define lmemonitordefault_                lmemonitordefault
 19: #define lmemonitorset_                    lmemonitorset
 20: #endif

 22: /*
 23:    These are not usually called from Fortran but allow Fortran users
 24:    to transparently set these monitors from .F code
 25: */
 26: SLEPC_EXTERN void lmemonitordefault_(LME *lme,PetscInt *it,PetscReal *errest,PetscViewerAndFormat **ctx,PetscErrorCode *ierr)
 27: {
 28:   *ierr = LMEMonitorDefault(*lme,*it,*errest,*ctx);
 29: }

 31: static struct {
 32:   PetscFortranCallbackId monitor;
 33:   PetscFortranCallbackId monitordestroy;
 34: } _cb;

 36: /* These are not extern C because they are passed into non-extern C user level functions */
 37: static PetscErrorCode ourmonitor(LME lme,PetscInt i,PetscReal d,void* ctx)
 38: {
 39:   PetscObjectUseFortranCallback(lme,_cb.monitor,(LME*,PetscInt*,PetscReal*,void*,PetscErrorCode*),(&lme,&i,&d,_ctx,&ierr));
 40: }

 42: static PetscErrorCode ourdestroy(void** ctx)
 43: {
 44:   LME lme = (LME)*ctx;
 45:   PetscObjectUseFortranCallback(lme,_cb.monitordestroy,(void*,PetscErrorCode*),(_ctx,&ierr));
 46: }

 48: SLEPC_EXTERN void lmemonitorset_(LME *lme,void (*monitor)(LME*,PetscInt*,PetscReal*,void*,PetscErrorCode*),void *mctx,void (*monitordestroy)(void *,PetscErrorCode*),PetscErrorCode *ierr)
 49: {
 50:   CHKFORTRANNULLOBJECT(mctx);
 51:   CHKFORTRANNULLFUNCTION(monitordestroy);
 52:   if ((PetscVoidFunction)monitor == (PetscVoidFunction)lmemonitordefault_) {
 53:     *ierr = LMEMonitorSet(*lme,(PetscErrorCode (*)(LME,PetscInt,PetscReal,void*))LMEMonitorDefault,*(PetscViewerAndFormat**)mctx,(PetscErrorCode (*)(void**))PetscViewerAndFormatDestroy);
 54:   } else {
 55:     *ierr = PetscObjectSetFortranCallback((PetscObject)*lme,PETSC_FORTRAN_CALLBACK_CLASS,&_cb.monitor,(PetscVoidFunction)monitor,mctx); if (*ierr) return;
 56:     *ierr = PetscObjectSetFortranCallback((PetscObject)*lme,PETSC_FORTRAN_CALLBACK_CLASS,&_cb.monitordestroy,(PetscVoidFunction)monitordestroy,mctx); if (*ierr) return;
 57:     *ierr = LMEMonitorSet(*lme,ourmonitor,*lme,ourdestroy);
 58:   }
 59: }