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src
euclid
Numbering_dh.h
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/*@HEADER
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// ***********************************************************************
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//
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// Ifpack: Object-Oriented Algebraic Preconditioner Package
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// Copyright (2002) Sandia Corporation
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//
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// Under terms of Contract DE-AC04-94AL85000, there is a non-exclusive
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// license for use of this work by or on behalf of the U.S. Government.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// 1. Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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//
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// 2. Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in the
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// documentation and/or other materials provided with the distribution.
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//
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// 3. Neither the name of the Corporation nor the names of the
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// contributors may be used to endorse or promote products derived from
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// this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY SANDIA CORPORATION "AS IS" AND ANY
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// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL SANDIA CORPORATION OR THE
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// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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// Questions? Contact Michael A. Heroux (maherou@sandia.gov)
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//
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// ***********************************************************************
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//@HEADER
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*/
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#ifndef NUMBERING_DH_H
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#define NUMBERING_DH_H
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/* code and algorithms in this class adopted from Edmond Chow's
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ParaSails
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*/
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#include "euclid_common.h"
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#ifdef __cplusplus
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extern
"C"
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{
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#endif
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struct
_numbering_dh
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{
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int
size;
/* max number of indices that can be stored;
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(length of idx_ext[])
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*/
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int
first;
/* global number of 1st local index (row) */
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int
m;
/* number of local indices (number of local rows in mat) */
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int
*idx_ext;
/* sorted list of external indices */
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int
*idx_extLo;
/* sorted list of external indices that are < first */
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int
*idx_extHi;
/* sorted list of external indices that are >= first+m */
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int
num_ext;
/* number of external (non-local) indices = num_extLo+num_extHi */
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int
num_extLo;
/* number of external indices < first */
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int
num_extHi;
/* number of external indices >= first+num_loc */
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Hash_i_dh
global_to_local;
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bool
debug;
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};
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extern
void
Numbering_dhCreate (
Numbering_dh
* numb);
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extern
void
Numbering_dhDestroy (
Numbering_dh
numb);
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/* must be called before calling Numbering_dhGlobalToLocal() or
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Numbering_dhLocalToGlobal().
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*/
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extern
void
Numbering_dhSetup (
Numbering_dh
numb,
Mat_dh
mat);
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/* input: global_in[len], which contains global row numbers.
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output: local_out[len], containing corresponding local numbers.
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note: global_in[] and local_out[] may be identical.
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*/
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extern
void
Numbering_dhGlobalToLocal (
Numbering_dh
numb,
int
len,
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int
*global_in,
int
*local_out);
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#ifdef __cplusplus
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}
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#endif
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#endif
_mat_dh
Definition:
Mat_dh.h:62
_numbering_dh
Definition:
Numbering_dh.h:59
_hash_i_dh
Definition:
Hash_i_dh.c:79
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