001    /**
002     * 
003     */
004    package calhoun.util;
005    
006    import java.io.Serializable;
007    import java.util.Arrays;
008    
009    public class DenseBooleanMatrix2D implements Serializable {
010            private static final long serialVersionUID = 8033567052720988542L;
011            boolean[] array;
012            int length;
013            
014            public DenseBooleanMatrix2D(int x, int y) {
015                    array = new boolean[x*y];
016                    length = y;
017            }
018            
019            public boolean getQuick(int x, int y) {
020                    return array[x*length+y];
021            }
022    
023            public void setQuick(int x, int y, boolean val) {
024                    array[x*length+y] = val;
025            }
026            
027            public void assign(boolean val) {
028                    for(int i = 0; i<array.length; ++i) {
029                            array[i]= val;
030                    }
031            }
032            
033            @Override
034            public String toString() {
035                    StringBuffer b = new StringBuffer();
036                    b.append('\n');
037                    for(int i = 0; i<array.length/length;++i) {
038                            int row = i*length;
039                            for(int j = 0; j<length; ++j) {
040                                    b.append(array[row+j]).append("   ");
041                            }
042                            b.append('\n');
043                    }
044                    return b.toString();
045            }
046    
047            @Override
048            public boolean equals(Object rhs) {
049                    DenseBooleanMatrix2D matrix = (DenseBooleanMatrix2D ) rhs;
050                    
051                    return Arrays.equals(array, matrix.array);
052            }
053    }