/[escript]/trunk/esys2/escript/src/Data/DataBlocks2D.cpp
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Contents of /trunk/esys2/escript/src/Data/DataBlocks2D.cpp

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Revision 82 - (show annotations)
Tue Oct 26 06:53:54 2004 UTC (15 years, 1 month ago) by jgs
File size: 3584 byte(s)
Initial revision

1 /*
2 ******************************************************************************
3 * *
4 * COPYRIGHT ACcESS 2004 - All Rights Reserved *
5 * *
6 * This software is the property of ACcESS. No part of this code *
7 * may be copied in any form or by any means without the expressed written *
8 * consent of ACcESS. Copying, use or modification of this software *
9 * by any unauthorised person is illegal unless that person has a software *
10 * license agreement with ACcESS. *
11 * *
12 ******************************************************************************
13 */
14 #include "escript/Data/DataException.h"
15 #include "escript/Data/DataBlocks2D.h"
16 #include "esysUtils/EsysAssert.h"
17
18 #include <sstream>
19 #include <iostream>
20
21 using namespace std;
22
23 namespace escript {
24
25 DataBlocks2D::DataBlocks2D():
26 m_numRows(0),
27 m_numCols(0),
28 m_blockSize(0)
29 {
30 //cout << "Calling DataBlocks2D default constructor." << endl;
31 }
32
33 DataBlocks2D::DataBlocks2D(const DataBlocks2D& other):
34 m_numRows(other.m_numRows),
35 m_numCols(other.m_numCols),
36 m_blockSize(other.m_blockSize)
37 {
38 //cout << "Calling DataBlocks2D copy constructor." << endl;
39 //
40 // Copy the vector values, this may throw an exception
41 m_data=other.m_data;
42 }
43
44 DataBlocks2D::DataBlocks2D(int numRows, int numCols, int blockSize):
45 m_numRows(numRows),
46 m_numCols(numCols),
47 m_blockSize(blockSize)
48 {
49 //cout << "Calling DataBlocks2D constructor." << endl;
50 //
51 // allocate the data and initialise to 0
52 resize(m_numRows,numCols,blockSize);
53 }
54
55 DataBlocks2D::~DataBlocks2D()
56 {
57 //cout << "Calling DataBlocks2D default destructor." << endl;
58 }
59
60 DataBlocks2D::ValueType::size_type
61 DataBlocks2D::index(ValueType::size_type i, ValueType::size_type j) const
62 {
63 ValueType::size_type temp=(j+i*m_numCols)*m_blockSize;
64 // EsysAssert((temp >= 0),"(DataBlocks2D) Index value: " << temp << " out of range.");
65 EsysAssert((temp <= (m_data.size()-m_blockSize) &&
66 (m_data.size() > 0) ),
67 "(DataBlocks2D) Index value: " << temp << " out of range."
68 << " nRows=" << m_numRows << " nCols=" << m_numCols
69 << " blockSize=" << m_blockSize
70 << " dataSize=" << m_data.size());
71 return (temp);
72 }
73
74 DataBlocks2D::ValueType&
75 DataBlocks2D::getData()
76 {
77 return m_data;
78 }
79
80 const DataBlocks2D::ValueType&
81 DataBlocks2D::getData() const
82 {
83 return m_data;
84 }
85
86 void
87 DataBlocks2D::resize(int numRows, int numCols, int blockSize)
88 {
89
90 if (numRows < 0 || numCols < 0 || blockSize < 0) {
91 stringstream mess;
92 mess << "Error - Invalid resize parameter. numRows: " << numRows
93 << " numCols: " << numCols << " blockSize: " << blockSize;
94 throw DataException(mess.str());
95 }
96 ValueType::size_type size=numRows*numCols*blockSize;
97 m_data.resize(size,0.0);
98 m_numRows=numRows;
99 m_numCols=numCols;
100 m_blockSize=blockSize;
101 }
102
103 void
104 DataBlocks2D::Swap(DataBlocks2D& other)
105 {
106 swap(m_data,other.m_data);
107 swap(m_blockSize,other.m_blockSize);
108 swap(m_numRows,other.m_numRows);
109 swap(m_numCols,other.m_numCols);
110 }
111
112 DataBlocks2D&
113 DataBlocks2D::operator=(const DataBlocks2D& other)
114 {
115 DataBlocks2D temp(other);
116 Swap(temp);
117 return *this;
118 }
119
120 } // end of namespace
121
122
123
124

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