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
|
/*
ARPACK++ v1.2 2/20/2000
c++ interface to ARPACK code.
MODULE MatProd.h
Matrix template that exemplify the data structure that
can be used with ARPACK++. MatrixWithProduct is a base
class for all classes in the complex, nonsym and sym
subdirectories.
ARPACK Authors
Richard Lehoucq
Danny Sorensen
Chao Yang
Dept. of Computational & Applied Mathematics
Rice University
Houston, Texas
*/
#ifndef MATPROD_H
#define MATPROD_H
template<class ART>
class MatrixWithProduct {
private:
int m, n; // Number of rows and columns.
public:
int nrows() { return m; }
int ncols() { return n; }
virtual void MultMv(ART* v, ART* w) = 0;
// Matrix-vector product: w = M*v.
MatrixWithProduct(int nrows, int ncols = 0)
// Constructor.
{
m = nrows;
n = (ncols?ncols:nrows);
} // Constructor.
}; // MatrixWithProduct
#endif // MATPROD_H
|
