/usr/lib/slepcdir/3.6.1/x86_64-linux-gnu-real-debug/include/slepc/private/fnimpl.h is in libslepc3.6.1-dbg 3.6.1.dfsg1-2build2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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SLEPc - Scalable Library for Eigenvalue Problem Computations
Copyright (c) 2002-2015, Universitat Politecnica de Valencia, Spain
This file is part of SLEPc.
SLEPc is free software: you can redistribute it and/or modify it under the
terms of version 3 of the GNU Lesser General Public License as published by
the Free Software Foundation.
SLEPc is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for
more details.
You should have received a copy of the GNU Lesser General Public License
along with SLEPc. If not, see <http://www.gnu.org/licenses/>.
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*/
#if !defined(_FNIMPL)
#define _FNIMPL
#include <slepcfn.h>
#include <slepc/private/slepcimpl.h>
PETSC_EXTERN PetscBool FNRegisterAllCalled;
PETSC_EXTERN PetscErrorCode FNRegisterAll(void);
PETSC_EXTERN PetscLogEvent FN_Evaluate;
typedef struct _FNOps *FNOps;
struct _FNOps {
PetscErrorCode (*evaluatefunction)(FN,PetscScalar,PetscScalar*);
PetscErrorCode (*evaluatederivative)(FN,PetscScalar,PetscScalar*);
PetscErrorCode (*evaluatefunctionmat)(FN,Mat,Mat);
PetscErrorCode (*evaluatefunctionmatsym)(FN,Mat,Mat);
PetscErrorCode (*setfromoptions)(PetscOptions*,FN);
PetscErrorCode (*view)(FN,PetscViewer);
PetscErrorCode (*duplicate)(FN,MPI_Comm,FN*);
PetscErrorCode (*destroy)(FN);
};
struct _p_FN {
PETSCHEADER(struct _FNOps);
/*------------------------- User parameters --------------------------*/
PetscScalar alpha; /* inner scaling (argument) */
PetscScalar beta; /* outer scaling (result) */
/*---------------------- Cached data and workspace -------------------*/
Mat W; /* workspace matrix */
void *data;
};
#undef __FUNCT__
#define __FUNCT__ "FN_AllocateWorkMat"
/*
FN_AllocateWorkMat - Allocate a working Mat of appropriate size if not available already.
*/
PETSC_STATIC_INLINE PetscErrorCode FN_AllocateWorkMat(FN fn,Mat A)
{
PetscErrorCode ierr;
PetscInt n,na;
PetscBool create=PETSC_FALSE;
PetscFunctionBegin;
if (!fn->W) create=PETSC_TRUE;
else {
ierr = MatGetSize(fn->W,&n,NULL);CHKERRQ(ierr);
ierr = MatGetSize(A,&na,NULL);CHKERRQ(ierr);
if (n!=na) {
ierr = MatDestroy(&fn->W);CHKERRQ(ierr);
create=PETSC_TRUE;
}
}
if (create) {
ierr = MatDuplicate(A,MAT_COPY_VALUES,&fn->W);CHKERRQ(ierr);
ierr = PetscLogObjectParent((PetscObject)fn,(PetscObject)fn->W);CHKERRQ(ierr);
} else {
ierr = MatCopy(A,fn->W,SAME_NONZERO_PATTERN);CHKERRQ(ierr);
}
PetscFunctionReturn(0);
}
#endif
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