Actual source code: rgimpl.h

slepc-3.16.1 2021-11-17
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  1: /*
  2:    - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
  3:    SLEPc - Scalable Library for Eigenvalue Problem Computations
  4:    Copyright (c) 2002-2021, 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: #if !defined(SLEPCRGIMPL_H)
 12: #define SLEPCRGIMPL_H

 14: #include <slepcrg.h>
 15: #include <slepc/private/slepcimpl.h>

 17: SLEPC_EXTERN PetscBool RGRegisterAllCalled;
 18: SLEPC_EXTERN PetscErrorCode RGRegisterAll(void);

 20: typedef struct _RGOps *RGOps;

 22: struct _RGOps {
 23:   PetscErrorCode (*istrivial)(RG,PetscBool*);
 24:   PetscErrorCode (*computecontour)(RG,PetscInt,PetscScalar*,PetscScalar*);
 25:   PetscErrorCode (*computebbox)(RG,PetscReal*,PetscReal*,PetscReal*,PetscReal*);
 26:   PetscErrorCode (*computequadrature)(RG,RGQuadRule,PetscInt,PetscScalar*,PetscScalar*,PetscScalar*);
 27:   PetscErrorCode (*checkinside)(RG,PetscReal,PetscReal,PetscInt*);
 28:   PetscErrorCode (*isaxisymmetric)(RG,PetscBool,PetscBool*);
 29:   PetscErrorCode (*setfromoptions)(PetscOptionItems*,RG);
 30:   PetscErrorCode (*view)(RG,PetscViewer);
 31:   PetscErrorCode (*destroy)(RG);
 32: };

 34: struct _p_RG {
 35:   PETSCHEADER(struct _RGOps);
 36:   PetscBool   complement;    /* region is the complement of the specified one */
 37:   PetscReal   sfactor;       /* scaling factor */
 38:   PetscReal   osfactor;      /* old scaling factor, before RGPushScale */
 39:   void        *data;
 40: };

 42: /* show an inf instead of PETSC_MAX_REAL */
 43: #define RGShowReal(r) (double)((PetscAbsReal(r)>=PETSC_MAX_REAL)?10*(r):(r))

 45: #endif