scaling.c File Reference

#include <stdlib.h>
#include <stdio.h>
#include "petsc.h"
#include "syspro.h"
#include "sysprotransform.h"
#include "sysprolinear.h"
#include "petscmat.h"

Go to the source code of this file.

Defines
#define	PREPROCESSOR   "scaling"
Functions
static PetscErrorCode	set_intelligent_scaling (NumericalProblem theproblem, char **type, char **reason)
static PetscErrorCode	scale_system (char *type, int nopt, PetscTruth overwrite, NumericalProblem inproblem, NumericalProblem *outproblem, void *gctx, void **ctx, PetscTruth *success)
static PetscErrorCode	unscale_system (char *scaling_type, PetscTruth overwrite, void *gctx, void *ctx, NumericalProblem problem, NumericalProblem nextproblem, NumericalSolution scaled, NumericalSolution unscaled)
static PetscErrorCode	setup_scaling_choices ()
static PetscErrorCode	specific_scaling_choices (NumericalProblem theproblem, SalsaTransform scaling)
PetscErrorCode	DeclareScalingPreprocessor (void)

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Detailed Description

Definition in file scaling.c.

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Define Documentation

#define PREPROCESSOR   "scaling"

Definition at line 16 of file scaling.c.

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Function Documentation

PetscErrorCode DeclareScalingPreprocessor

(

void

)

Definition at line 292 of file scaling.c.

References CHKERRQ(), DeclarePreprocessor(), DeclarePreprocessorIntelligentChoice(), ierr, PREPROCESSOR, PreprocessorSetPreservedCategories(), scale_system(), set_intelligent_scaling(), setup_scaling_choices(), specific_scaling_choices(), and unscale_system().

Referenced by main().

static PetscErrorCode scale_system	(	char *	type,
		int	nopt,
		PetscTruth	overwrite,
		NumericalProblem	inproblem,
		NumericalProblem *	outproblem,
		void *	gctx,
		void **	ctx,
		PetscTruth *	success
	)			[static]

Definition at line 67 of file scaling.c.

References CHKERRQ(), ierr, LinearSystemCopy(), LinearSystemDuplicate(), and LinearSystemGetParts().

Referenced by DeclareScalingPreprocessor().

static PetscErrorCode set_intelligent_scaling	(	NumericalProblem	theproblem,
		char **	type,
		char **	reason
	)			[static]

Definition at line 21 of file scaling.c.

References CHKERRQ(), ierr, SysProRetrieveQuantity(), and TRUTH.

Referenced by DeclareScalingPreprocessor().

static PetscErrorCode setup_scaling_choices

(

)

[static]

This routine is called by DeclarePreprocessor()

Definition at line 230 of file scaling.c.

References CHKERRQ(), ierr, NewTransformObject(), PREPROCESSOR, SysProDefineIntAnnotation(), TransformGetByName(), TransformObjectIntAnnotate(), and TransformObjectSetExplanation().

Referenced by DeclareScalingPreprocessor().

static PetscErrorCode specific_scaling_choices	(	NumericalProblem	theproblem,
		SalsaTransform	scaling
	)			[static]

This is the 'specific setup' phase of the scaling preprocessor. See Usage modes for details.

This routine eliminates unsymmetric scalings if we are dealing with a symmetric system.

Definition at line 265 of file scaling.c.

References CHKERRQ(), ierr, SysProRetrieveQuantity(), TransformGetObjects(), TransformObjectGetIntAnnotation(), and TransformObjectMark().

Referenced by DeclareScalingPreprocessor().

static PetscErrorCode unscale_system	(	char *	scaling_type,
		PetscTruth	overwrite,
		void *	gctx,
		void *	ctx,
		NumericalProblem	problem,
		NumericalProblem	nextproblem,
		NumericalSolution	scaled,
		NumericalSolution	unscaled
	)			[static]

Definition at line 190 of file scaling.c.

References CHKERRQ(), DeleteLinearSystem(), ierr, LinearSolutionCopyStats(), and LinearSolutionGetVector().

Referenced by DeclareScalingPreprocessor().