/usr/include/trilinos/ml_agg_VBMETIS.h is in libtrilinos-ml-dev 12.12.1-5.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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/* See the file COPYRIGHT for a complete copyright notice, contact */
/* person and disclaimer. */
/* ******************************************************************** */
/********************************************************************* */
/* Decomposition with METIS */
/********************************************************************* */
#ifndef __MLAGGVBMETIS__
#define __MLAGGVBMETIS__
/* ------------------------------------------------------------------------ */
/*!
\brief structure for variable block METIS
<pre>
used to implement support for variable block sizes
used in ML_Aggregate_CoarsenVBMETIS.
It holds user supplied block data and space to temporarily store values
which otherwise would be lost when applying
ML_Operator_AmalgamateAndDropWeak_VBlocks
data is set applying ML_Aggregate_Set_Vblocks_CoarsenScheme_VBMETIS
and ML_Aggregate_Set_CoarsenScheme_VBMETIS
data is destroyed using ML_Aggregate_Destroy_Vblocks_CoarsenScheme_VBMETIS
data can be handled using ML_Aggregate_Get_Vblocks_CoarsenScheme_VBMETIS
Author: Michael W. Gee, SNL Org. 9214, November 2004
</pre>
\sa ML_Aggregate_CoarsenVBMETIS ML_Operator_AmalgamateAndDropWeak_VBlocks
ML_Aggregate_Set_Vblocks_CoarsenScheme_VBMETIS
ML_Aggregate_Set_CoarsenScheme_VBMETIS
ML_Aggregate_Destroy_Vblocks_CoarsenScheme_VBMETIS
ML_Aggregate_Get_Vblocks_CoarsenScheme_VBMETIS
*/
/* ------------------------------------------------------------------------ */
struct aggr_vblock {
int nblocks; /*!< number of variable blocks */
int block_dim; /*!< dimension of blocks & block_pde */
int *blocks; /*!< variable block indizes */
int *block_pde; /*!< which pde for each row*/
int old_invec_leng; /*!< original invec_leng */
int old_outvec_leng; /*!< original outvec_leng */
};
/*MS*/
#define ML_AGGREGATE_OPTIONS_ID 13579
/* undefined will be a negative number */
#define ML_NUM_LOCAL_AGGREGATES 0
#define ML_NUM_GLOBAL_AGGREGATES 1
#define ML_NUM_NODES_PER_AGGREGATE 2
#ifndef ML_CPP
#ifdef __cplusplus
extern "C" {
#endif
#endif
int ML_Aggregate_Set_CoarsenScheme_VBMETIS( ML_Aggregate *ag );
int ML_Aggregate_Set_Vblocks_CoarsenScheme_VBMETIS( ML_Aggregate *ag,
const int level,
const int N_levels,
const int nblocks,
const int *blocks,
const int *block_pde,
const int block_dim);
int ML_Aggregate_Get_Vblocks_CoarsenScheme_VBMETIS( const ML_Aggregate *ag,
const int level,
const int N_levels,
int *nblocks,
int **blocks,
int **block_pde);
int ML_Aggregate_Destroy_Vblocks_CoarsenScheme_VBMETIS( const ML_Aggregate *ag,
const int level);
int ML_Aggregate_CoarsenVBMETIS( ML_Aggregate *ml_ag, ML_Operator *Amatrix,
ML_Operator **Pmatrix, ML_Comm *comm);
int ML_Operator_AmalgamateAndDropWeak_VBlocks(ML_Operator *Amat, int block_size,
double drop_tolerance, int nblocks, int* blocks);
int ML_Operator_UnAmalgamateAndDropWeak_Vblocks(ML_Operator *Amat, int block_size,
double drop_tolerance);
int ML_amalg_drop_getrow_VBlocks(ML_Operator *data, int N_requested_rows,
int requested_rows[],int allocated_space, int columns[], double values[],
int row_lengths[]);
#ifndef ML_CPP
#ifdef __cplusplus
}
#endif
#endif
#endif /* #ifndef __MLAGGVBMETIS__ */
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