/*
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/*
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EPS routines related to monitors.
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EPS routines related to monitors.
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- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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SLEPc - Scalable Library for Eigenvalue Problem Computations
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SLEPc - Scalable Library for Eigenvalue Problem Computations
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Copyright (c) 2002-2007, Universidad Politecnica de Valencia, Spain
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Copyright (c) 2002-2007, Universidad Politecnica de Valencia, Spain
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This file is part of SLEPc. See the README file for conditions of use
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This file is part of SLEPc. See the README file for conditions of use
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and additional information.
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and additional information.
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- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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*/
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*/
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#include "src/eps/epsimpl.h" /*I "slepceps.h" I*/
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#include "src/eps/epsimpl.h" /*I "slepceps.h" I*/
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#undef __FUNCT__
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#undef __FUNCT__
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#define __FUNCT__ "EPSMonitorSet"
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#define __FUNCT__ "EPSMonitorSet"
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/*@C
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/*@C
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EPSMonitorSet - Sets an ADDITIONAL function to be called at every
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EPSMonitorSet - Sets an ADDITIONAL function to be called at every
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iteration to monitor the error estimates for each requested eigenpair.
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iteration to monitor the error estimates for each requested eigenpair.
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Collective on EPS
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Collective on EPS
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Input Parameters:
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Input Parameters:
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+ eps - eigensolver context obtained from EPSCreate()
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+ eps - eigensolver context obtained from EPSCreate()
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. monitor - pointer to function (if this is PETSC_NULL, it turns off monitoring)
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. monitor - pointer to function (if this is PETSC_NULL, it turns off monitoring)
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. mctx - [optional] context for private data for the
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. mctx - [optional] context for private data for the
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monitor routine (use PETSC_NULL if no context is desired)
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monitor routine (use PETSC_NULL if no context is desired)
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- monitordestroy - [optional] routine that frees monitor context
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- monitordestroy - [optional] routine that frees monitor context
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(may be PETSC_NULL)
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(may be PETSC_NULL)
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Calling Sequence of monitor:
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Calling Sequence of monitor:
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$ monitor (EPS eps, int its, int nconv, PetscScalar *eigr, PetscScalar *eigi, PetscReal* errest, int nest, void *mctx)
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$ monitor (EPS eps, int its, int nconv, PetscScalar *eigr, PetscScalar *eigi, PetscReal* errest, int nest, void *mctx)
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+ eps - eigensolver context obtained from EPSCreate()
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+ eps - eigensolver context obtained from EPSCreate()
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. its - iteration number
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. its - iteration number
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. nconv - number of converged eigenpairs
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. nconv - number of converged eigenpairs
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. eigr - real part of the eigenvalues
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. eigr - real part of the eigenvalues
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. eigi - imaginary part of the eigenvalues
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. eigi - imaginary part of the eigenvalues
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. errest - relative error estimates for each eigenpair
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. errest - relative error estimates for each eigenpair
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. nest - number of error estimates
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. nest - number of error estimates
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- mctx - optional monitoring context, as set by EPSMonitorSet()
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- mctx - optional monitoring context, as set by EPSMonitorSet()
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Options Database Keys:
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Options Database Keys:
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+ -eps_monitor - print error estimates at each iteration
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+ -eps_monitor - print error estimates at each iteration
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. -eps_monitor_draw - sets line graph monitor
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. -eps_monitor_draw - sets line graph monitor
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- -eps_monitor_cancel - cancels all monitors that have been hardwired into
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- -eps_monitor_cancel - cancels all monitors that have been hardwired into
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a code by calls to EPSMonitorSet(), but does not cancel those set via
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a code by calls to EPSMonitorSet(), but does not cancel those set via
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the options database.
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the options database.
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Notes:
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Notes:
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Several different monitoring routines may be set by calling
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Several different monitoring routines may be set by calling
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EPSMonitorSet() multiple times; all will be called in the
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EPSMonitorSet() multiple times; all will be called in the
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order in which they were set.
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order in which they were set.
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Level: intermediate
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Level: intermediate
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.seealso: EPSMonitorDefault(), EPSMonitorCancel()
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.seealso: EPSMonitorDefault(), EPSMonitorCancel()
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@*/
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@*/
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PetscErrorCode EPSMonitorSet(EPS eps,PetscErrorCode (*monitor)(EPS,int,int,PetscScalar*,PetscScalar*,PetscReal*,int,void*),
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PetscErrorCode EPSMonitorSet(EPS eps,PetscErrorCode (*monitor)(EPS,int,int,PetscScalar*,PetscScalar*,PetscReal*,int,void*),
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void *mctx,PetscErrorCode (*monitordestroy)(void*))
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void *mctx,PetscErrorCode (*monitordestroy)(void*))
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{
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{
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PetscFunctionBegin;
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PetscFunctionBegin;
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PetscValidHeaderSpecific(eps,EPS_COOKIE,1);
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PetscValidHeaderSpecific(eps,EPS_COOKIE,1);
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if (eps->numbermonitors >= MAXEPSMONITORS) {
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if (eps->numbermonitors >= MAXEPSMONITORS) {
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SETERRQ(PETSC_ERR_ARG_OUTOFRANGE,"Too many EPS monitors set");
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SETERRQ(PETSC_ERR_ARG_OUTOFRANGE,"Too many EPS monitors set");
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}
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}
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eps->monitor[eps->numbermonitors] = monitor;
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eps->monitor[eps->numbermonitors] = monitor;
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eps->monitorcontext[eps->numbermonitors] = (void*)mctx;
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eps->monitorcontext[eps->numbermonitors] = (void*)mctx;
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eps->monitordestroy[eps->numbermonitors++] = monitordestroy;
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eps->monitordestroy[eps->numbermonitors++] = monitordestroy;
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PetscFunctionReturn(0);
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PetscFunctionReturn(0);
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}
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}
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#undef __FUNCT__
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#undef __FUNCT__
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#define __FUNCT__ "EPSMonitorCancel"
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#define __FUNCT__ "EPSMonitorCancel"
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/*@
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/*@
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EPSMonitorCancel - Clears all monitors for an EPS object.
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EPSMonitorCancel - Clears all monitors for an EPS object.
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Collective on EPS
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Collective on EPS
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Input Parameters:
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Input Parameters:
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. eps - eigensolver context obtained from EPSCreate()
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. eps - eigensolver context obtained from EPSCreate()
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Options Database Key:
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Options Database Key:
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. -eps_monitor_cancel - Cancels all monitors that have been hardwired
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. -eps_monitor_cancel - Cancels all monitors that have been hardwired
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into a code by calls to EPSMonitorSet(),
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into a code by calls to EPSMonitorSet(),
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but does not cancel those set via the options database.
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but does not cancel those set via the options database.
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Level: intermediate
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Level: intermediate
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.seealso: EPSMonitorSet()
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.seealso: EPSMonitorSet()
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@*/
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@*/
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PetscErrorCode EPSMonitorCancel(EPS eps)
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PetscErrorCode EPSMonitorCancel(EPS eps)
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{
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{
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PetscErrorCode ierr;
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PetscErrorCode ierr;
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PetscInt i;
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PetscInt i;
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PetscFunctionBegin;
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PetscFunctionBegin;
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PetscValidHeaderSpecific(eps,EPS_COOKIE,1);
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PetscValidHeaderSpecific(eps,EPS_COOKIE,1);
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for (i=0; i<eps->numbermonitors; i++) {
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for (i=0; i<eps->numbermonitors; i++) {
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if (eps->monitordestroy[i]) {
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if (eps->monitordestroy[i]) {
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ierr = (*eps->monitordestroy[i])(eps->monitorcontext[i]);CHKERRQ(ierr);
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ierr = (*eps->monitordestroy[i])(eps->monitorcontext[i]);CHKERRQ(ierr);
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}
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}
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}
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}
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eps->numbermonitors = 0;
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eps->numbermonitors = 0;
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PetscFunctionReturn(0);
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PetscFunctionReturn(0);
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}
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}
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#undef __FUNCT__
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#undef __FUNCT__
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#define __FUNCT__ "EPSGetMonitorContext"
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#define __FUNCT__ "EPSGetMonitorContext"
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/*@C
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/*@C
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EPSGetMonitorContext - Gets the monitor context, as set by
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EPSGetMonitorContext - Gets the monitor context, as set by
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EPSSetMonitor() for the FIRST monitor only.
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EPSSetMonitor() for the FIRST monitor only.
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Not Collective
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Not Collective
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Input Parameter:
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Input Parameter:
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. eps - eigensolver context obtained from EPSCreate()
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. eps - eigensolver context obtained from EPSCreate()
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Output Parameter:
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Output Parameter:
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. ctx - monitor context
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. ctx - monitor context
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Level: intermediate
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Level: intermediate
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.seealso: EPSSetMonitor(), EPSDefaultMonitor()
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.seealso: EPSSetMonitor(), EPSDefaultMonitor()
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@*/
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@*/
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PetscErrorCode EPSGetMonitorContext(EPS eps, void **ctx)
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PetscErrorCode EPSGetMonitorContext(EPS eps, void **ctx)
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{
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{
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PetscFunctionBegin;
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PetscFunctionBegin;
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PetscValidHeaderSpecific(eps,EPS_COOKIE,1);
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PetscValidHeaderSpecific(eps,EPS_COOKIE,1);
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*ctx = (eps->monitorcontext[0]);
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*ctx = (eps->monitorcontext[0]);
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PetscFunctionReturn(0);
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PetscFunctionReturn(0);
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}
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}
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#undef __FUNCT__
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#undef __FUNCT__
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#define __FUNCT__ "EPSMonitorDefault"
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#define __FUNCT__ "EPSMonitorDefault"
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/*@C
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/*@C
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EPSMonitorDefault - Print the current approximate values and
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EPSMonitorDefault - Print the current approximate values and
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error estimates at each iteration of the eigensolver.
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error estimates at each iteration of the eigensolver.
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Collective on EPS
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Collective on EPS
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Input Parameters:
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Input Parameters:
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+ eps - eigensolver context
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+ eps - eigensolver context
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. its - iteration number
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. its - iteration number
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. nconv - number of converged eigenpairs so far
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. nconv - number of converged eigenpairs so far
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. eigr - real part of the eigenvalues
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. eigr - real part of the eigenvalues
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. eigi - imaginary part of the eigenvalues
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. eigi - imaginary part of the eigenvalues
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. errest - error estimates
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. errest - error estimates
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. nest - number of error estimates to display
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. nest - number of error estimates to display
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- dummy - unused monitor context
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- dummy - unused monitor context
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Level: intermediate
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Level: intermediate
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.seealso: EPSMonitorSet()
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.seealso: EPSMonitorSet()
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@*/
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@*/
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PetscErrorCode EPSMonitorDefault(EPS eps,int its,int nconv,PetscScalar *eigr,PetscScalar *eigi,PetscReal *errest,int nest,void *dummy)
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PetscErrorCode EPSMonitorDefault(EPS eps,int its,int nconv,PetscScalar *eigr,PetscScalar *eigi,PetscReal *errest,int nest,void *dummy)
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{
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{
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PetscErrorCode ierr;
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PetscErrorCode ierr;
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int i;
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int i;
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PetscViewer viewer = (PetscViewer) dummy;
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PetscViewer viewer = (PetscViewer) dummy;
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PetscFunctionBegin;
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PetscFunctionBegin;
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if (its) {
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if (its) {
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if (!viewer) viewer = PETSC_VIEWER_STDOUT_(eps->comm);
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if (!viewer) viewer = PETSC_VIEWER_STDOUT_(((PetscObject)eps)->comm);
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ierr = PetscViewerASCIIPrintf(viewer,"%3d EPS nconv=%d Values (Errors)",its,nconv);CHKERRQ(ierr);
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ierr = PetscViewerASCIIPrintf(viewer,"%3d EPS nconv=%d Values (Errors)",its,nconv);CHKERRQ(ierr);
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for (i=0;i<nest;i++) {
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for (i=0;i<nest;i++) {
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#if defined(PETSC_USE_COMPLEX)
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#if defined(PETSC_USE_COMPLEX)
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ierr = PetscViewerASCIIPrintf(viewer," %g%+gi",PetscRealPart(eigr[i]),PetscImaginaryPart(eigr[i]));CHKERRQ(ierr);
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ierr = PetscViewerASCIIPrintf(viewer," %g%+gi",PetscRealPart(eigr[i]),PetscImaginaryPart(eigr[i]));CHKERRQ(ierr);
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#else
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#else
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ierr = PetscViewerASCIIPrintf(viewer," %g",eigr[i]);CHKERRQ(ierr);
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ierr = PetscViewerASCIIPrintf(viewer," %g",eigr[i]);CHKERRQ(ierr);
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if (eigi[i]!=0.0) { ierr = PetscViewerASCIIPrintf(viewer,"%+gi",eigi[i]);CHKERRQ(ierr); }
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if (eigi[i]!=0.0) { ierr = PetscViewerASCIIPrintf(viewer,"%+gi",eigi[i]);CHKERRQ(ierr); }
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#endif
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#endif
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ierr = PetscViewerASCIIPrintf(viewer," (%10.8e)",errest[i]);CHKERRQ(ierr);
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ierr = PetscViewerASCIIPrintf(viewer," (%10.8e)",errest[i]);CHKERRQ(ierr);
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}
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}
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ierr = PetscViewerASCIIPrintf(viewer,"\n");CHKERRQ(ierr);
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ierr = PetscViewerASCIIPrintf(viewer,"\n");CHKERRQ(ierr);
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}
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}
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PetscFunctionReturn(0);
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PetscFunctionReturn(0);
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}
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}
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#undef __FUNCT__
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#undef __FUNCT__
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#define __FUNCT__ "EPSMonitorLG"
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#define __FUNCT__ "EPSMonitorLG"
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PetscErrorCode EPSMonitorLG(EPS eps,int its,int nconv,PetscScalar *eigr,PetscScalar *eigi,PetscReal *errest,int nest,void *monctx)
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PetscErrorCode EPSMonitorLG(EPS eps,int its,int nconv,PetscScalar *eigr,PetscScalar *eigi,PetscReal *errest,int nest,void *monctx)
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{
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{
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PetscViewer viewer = (PetscViewer) monctx;
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PetscViewer viewer = (PetscViewer) monctx;
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PetscDraw draw;
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PetscDraw draw;
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PetscDrawLG lg;
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PetscDrawLG lg;
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PetscErrorCode ierr;
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PetscErrorCode ierr;
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PetscReal *x,*y;
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PetscReal *x,*y;
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int i,n = eps->nev;
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int i,n = eps->nev;
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#if !defined(PETSC_USE_COMPLEX)
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#if !defined(PETSC_USE_COMPLEX)
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int p;
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int p;
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PetscDraw draw1;
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PetscDraw draw1;
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PetscDrawLG lg1;
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PetscDrawLG lg1;
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#endif
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#endif
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PetscFunctionBegin;
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PetscFunctionBegin;
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if (!viewer) { viewer = PETSC_VIEWER_DRAW_(eps->comm); }
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if (!viewer) { viewer = PETSC_VIEWER_DRAW_(((PetscObject)eps)->comm); }
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ierr = PetscViewerDrawGetDraw(viewer,0,&draw);CHKERRQ(ierr);
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ierr = PetscViewerDrawGetDraw(viewer,0,&draw);CHKERRQ(ierr);
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ierr = PetscViewerDrawGetDrawLG(viewer,0,&lg);CHKERRQ(ierr);
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ierr = PetscViewerDrawGetDrawLG(viewer,0,&lg);CHKERRQ(ierr);
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if (!its) {
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if (!its) {
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ierr = PetscDrawSetTitle(draw,"Error estimates");CHKERRQ(ierr);
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ierr = PetscDrawSetTitle(draw,"Error estimates");CHKERRQ(ierr);
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ierr = PetscDrawSetDoubleBuffer(draw);CHKERRQ(ierr);
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ierr = PetscDrawSetDoubleBuffer(draw);CHKERRQ(ierr);
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ierr = PetscDrawLGSetDimension(lg,n);CHKERRQ(ierr);
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ierr = PetscDrawLGSetDimension(lg,n);CHKERRQ(ierr);
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ierr = PetscDrawLGReset(lg);CHKERRQ(ierr);
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ierr = PetscDrawLGReset(lg);CHKERRQ(ierr);
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ierr = PetscDrawLGSetLimits(lg,0,1.0,log10(eps->tol)-2,0.0);CHKERRQ(ierr);
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ierr = PetscDrawLGSetLimits(lg,0,1.0,log10(eps->tol)-2,0.0);CHKERRQ(ierr);
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}
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}
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#if !defined(PETSC_USE_COMPLEX)
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#if !defined(PETSC_USE_COMPLEX)
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if (eps->ishermitian) {
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if (eps->ishermitian) {
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ierr = PetscViewerDrawGetDraw(viewer,1,&draw1);CHKERRQ(ierr);
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ierr = PetscViewerDrawGetDraw(viewer,1,&draw1);CHKERRQ(ierr);
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ierr = PetscViewerDrawGetDrawLG(viewer,1,&lg1);CHKERRQ(ierr);
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ierr = PetscViewerDrawGetDrawLG(viewer,1,&lg1);CHKERRQ(ierr);
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if (!its) {
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if (!its) {
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ierr = PetscDrawSetTitle(draw1,"Approximate eigenvalues");CHKERRQ(ierr);
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ierr = PetscDrawSetTitle(draw1,"Approximate eigenvalues");CHKERRQ(ierr);
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ierr = PetscDrawSetDoubleBuffer(draw1);CHKERRQ(ierr);
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ierr = PetscDrawSetDoubleBuffer(draw1);CHKERRQ(ierr);
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ierr = PetscDrawLGSetDimension(lg1,n);CHKERRQ(ierr);
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ierr = PetscDrawLGSetDimension(lg1,n);CHKERRQ(ierr);
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ierr = PetscDrawLGReset(lg1);CHKERRQ(ierr);
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ierr = PetscDrawLGReset(lg1);CHKERRQ(ierr);
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ierr = PetscDrawLGSetLimits(lg1,0,1.0,1.e20,-1.e20);CHKERRQ(ierr);
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ierr = PetscDrawLGSetLimits(lg1,0,1.0,1.e20,-1.e20);CHKERRQ(ierr);
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}
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}
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}
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}
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#endif
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#endif
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ierr = PetscMalloc(sizeof(PetscReal)*n,&x);CHKERRQ(ierr);
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ierr = PetscMalloc(sizeof(PetscReal)*n,&x);CHKERRQ(ierr);
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ierr = PetscMalloc(sizeof(PetscReal)*n,&y);CHKERRQ(ierr);
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ierr = PetscMalloc(sizeof(PetscReal)*n,&y);CHKERRQ(ierr);
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for (i=0;i<n;i++) {
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for (i=0;i<n;i++) {
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x[i] = (PetscReal) its;
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x[i] = (PetscReal) its;
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if (errest[i] > 0.0) y[i] = log10(errest[i]); else y[i] = 0.0;
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if (errest[i] > 0.0) y[i] = log10(errest[i]); else y[i] = 0.0;
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}
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}
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ierr = PetscDrawLGAddPoint(lg,x,y);CHKERRQ(ierr);
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ierr = PetscDrawLGAddPoint(lg,x,y);CHKERRQ(ierr);
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#if !defined(PETSC_USE_COMPLEX)
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#if !defined(PETSC_USE_COMPLEX)
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if (eps->ishermitian) {
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if (eps->ishermitian) {
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ierr = PetscDrawLGAddPoint(lg1,x,eps->eigr);CHKERRQ(ierr);
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ierr = PetscDrawLGAddPoint(lg1,x,eps->eigr);CHKERRQ(ierr);
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ierr = PetscDrawGetPause(draw1,&p);CHKERRQ(ierr);
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ierr = PetscDrawGetPause(draw1,&p);CHKERRQ(ierr);
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ierr = PetscDrawSetPause(draw1,0);CHKERRQ(ierr);
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ierr = PetscDrawSetPause(draw1,0);CHKERRQ(ierr);
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ierr = PetscDrawLGDraw(lg1);CHKERRQ(ierr);
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ierr = PetscDrawLGDraw(lg1);CHKERRQ(ierr);
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ierr = PetscDrawSetPause(draw1,p);CHKERRQ(ierr);
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ierr = PetscDrawSetPause(draw1,p);CHKERRQ(ierr);
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}
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}
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#endif
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#endif
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ierr = PetscDrawLGDraw(lg);CHKERRQ(ierr);
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ierr = PetscDrawLGDraw(lg);CHKERRQ(ierr);
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ierr = PetscFree(x);CHKERRQ(ierr);
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ierr = PetscFree(x);CHKERRQ(ierr);
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ierr = PetscFree(y);CHKERRQ(ierr);
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ierr = PetscFree(y);CHKERRQ(ierr);
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PetscFunctionReturn(0);
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PetscFunctionReturn(0);
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}
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}
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