blob: a47575ddf5e1833661fb377ea1eb5339a0e777e4 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
|
// SPDX-License-Identifier: Apache-2.0
//
// Copyright 2008-2016 Conrad Sanderson (http://conradsanderson.id.au)
// Copyright 2008-2016 National ICT Australia (NICTA)
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// ------------------------------------------------------------------------
namespace newarp
{
//! Define matrix operations on existing matrix objects
template<typename eT>
class SparseGenRealShiftSolve
{
private:
#if defined(ARMA_USE_SUPERLU)
// The following objects are read-only in perform_op()
mutable superlu_supermatrix_wrangler l;
mutable superlu_supermatrix_wrangler u;
mutable superlu_array_wrangler<int> perm_c;
mutable superlu_array_wrangler<int> perm_r;
#endif
public:
bool valid = false;
const uword n_rows; // number of rows of the underlying matrix
const uword n_cols; // number of columns of the underlying matrix
inline SparseGenRealShiftSolve(const SpMat<eT>& mat_obj, const eT shift);
inline void perform_op(eT* x_in, eT* y_out) const;
};
} // namespace newarp
|
