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rowmatrix.cpp
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Created
Tue, Feb 18, 22:59
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4 KB
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text/x-c
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Thu, Feb 20, 22:59 (2 d)
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rLAMMPS lammps
rowmatrix.cpp
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/*
*_________________________________________________________________________*
* POEMS: PARALLELIZABLE OPEN SOURCE EFFICIENT MULTIBODY SOFTWARE *
* DESCRIPTION: SEE READ-ME *
* FILE NAME: rowmatrix.cpp *
* AUTHORS: See Author List *
* GRANTS: See Grants List *
* COPYRIGHT: (C) 2005 by Authors as listed in Author's List *
* LICENSE: Please see License Agreement *
* DOWNLOAD: Free at www.rpi.edu/~anderk5 *
* ADMINISTRATOR: Prof. Kurt Anderson *
* Computational Dynamics Lab *
* Rensselaer Polytechnic Institute *
* 110 8th St. Troy NY 12180 *
* CONTACT: anderk5@rpi.edu *
*_________________________________________________________________________*/
#include "rowmatrix.h"
#include "colmatrix.h"
#include <iostream>
#include <cstdlib>
using
namespace
std
;
RowMatrix
::
RowMatrix
(){
numcols
=
0
;
elements
=
0
;
}
RowMatrix
::~
RowMatrix
(){
delete
[]
elements
;
}
RowMatrix
::
RowMatrix
(
const
RowMatrix
&
A
){
// copy constructor
numcols
=
0
;
elements
=
0
;
Dim
(
A
.
numcols
);
for
(
int
i
=
0
;
i
<
numcols
;
i
++
)
elements
[
i
]
=
A
.
elements
[
i
];
}
RowMatrix
::
RowMatrix
(
const
VirtualRowMatrix
&
A
){
// copy constructor
numcols
=
0
;
elements
=
0
;
Dim
(
A
.
GetNumCols
());
for
(
int
i
=
0
;
i
<
numcols
;
i
++
)
elements
[
i
]
=
A
.
BasicGet
(
i
);
}
RowMatrix
::
RowMatrix
(
const
VirtualMatrix
&
A
){
// copy constructor
if
(
A
.
GetNumRows
()
!=
1
){
cerr
<<
"error trying to write a 2D matrix to a collumn"
<<
endl
;
exit
(
1
);
}
numcols
=
0
;
elements
=
0
;
Dim
(
A
.
GetNumCols
());
for
(
int
i
=
0
;
i
<
numcols
;
i
++
)
elements
[
i
]
=
A
.
BasicGet
(
i
,
0
);
}
RowMatrix
::
RowMatrix
(
int
n
){
// size constructor
numcols
=
0
;
elements
=
0
;
Dim
(
n
);
}
void
RowMatrix
::
Dim
(
int
n
){
delete
[]
elements
;
numcols
=
n
;
elements
=
new
double
[
n
];
}
void
RowMatrix
::
Const
(
double
value
){
for
(
int
i
=
0
;
i
<
numcols
;
i
++
)
elements
[
i
]
=
value
;
}
double
&
RowMatrix
::
operator_1int
(
int
i
){
// array access
if
((
i
>
numcols
)
||
(
i
<
1
)){
cerr
<<
"matrix index invalid in operator ()"
<<
endl
;
exit
(
1
);
}
return
elements
[
i
-
1
];
}
double
RowMatrix
::
Get_1int
(
int
i
)
const
{
if
((
i
>
numcols
)
||
(
i
<
1
)){
cerr
<<
"matrix index exceeded in Get"
<<
endl
;
exit
(
1
);
}
return
elements
[
i
-
1
];
}
void
RowMatrix
::
Set_1int
(
int
i
,
double
value
){
if
((
i
>
numcols
)
||
(
i
<
1
)){
cerr
<<
"matrix index exceeded in Set"
<<
endl
;
exit
(
1
);
}
elements
[
i
-
1
]
=
value
;
}
double
RowMatrix
::
BasicGet_1int
(
int
i
)
const
{
return
elements
[
i
];
}
void
RowMatrix
::
BasicSet_1int
(
int
i
,
double
value
){
elements
[
i
]
=
value
;
}
void
RowMatrix
::
BasicIncrement_1int
(
int
i
,
double
value
){
elements
[
i
]
+=
value
;
}
MatrixType
RowMatrix
::
GetType
()
const
{
return
ROWMATRIX
;
}
istream
&
RowMatrix
::
ReadData
(
istream
&
c
){
int
n
;
c
>>
n
;
Dim
(
n
);
for
(
int
i
=
0
;
i
<
n
;
i
++
)
c
>>
elements
[
i
];
return
c
;
}
ostream
&
RowMatrix
::
WriteData
(
ostream
&
c
)
const
{
//output
c
<<
numcols
<<
' '
;
for
(
int
i
=
0
;
i
<
numcols
;
i
++
)
c
<<
elements
[
i
]
<<
' '
;
return
c
;
}
void
RowMatrix
::
AssignVM
(
const
VirtualMatrix
&
A
){
if
(
A
.
GetNumRows
()
!=
1
){
cerr
<<
"error trying to write a 2D matrix to a collumn"
<<
endl
;
exit
(
1
);
}
Dim
(
A
.
GetNumCols
()
);
for
(
int
i
=
0
;
i
<
numcols
;
i
++
)
elements
[
i
]
=
A
.
BasicGet
(
0
,
i
);
}
RowMatrix
&
RowMatrix
::
operator
=
(
const
RowMatrix
&
A
){
// assignment operator
Dim
(
A
.
numcols
);
for
(
int
i
=
0
;
i
<
numcols
;
i
++
)
elements
[
i
]
=
A
.
elements
[
i
];
return
*
this
;
}
RowMatrix
&
RowMatrix
::
operator
=
(
const
VirtualRowMatrix
&
A
){
// overloaded =
Dim
(
A
.
GetNumCols
()
);
for
(
int
i
=
0
;
i
<
numcols
;
i
++
)
elements
[
i
]
=
A
.
BasicGet
(
i
);
return
*
this
;
}
RowMatrix
&
RowMatrix
::
operator
=
(
const
VirtualMatrix
&
A
){
// overloaded =
if
(
A
.
GetNumRows
()
!=
1
){
cerr
<<
"error trying to write a 2D matrix to a collumn"
<<
endl
;
exit
(
1
);
}
Dim
(
A
.
GetNumCols
()
);
for
(
int
i
=
0
;
i
<
numcols
;
i
++
)
elements
[
i
]
=
A
.
BasicGet
(
0
,
i
);
return
*
this
;
}
RowMatrix
&
RowMatrix
::
operator
*=
(
double
b
){
for
(
int
i
=
0
;
i
<
numcols
;
i
++
)
elements
[
i
]
*=
b
;
return
*
this
;
}
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