| 1 | /*
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| 2 | Copyright 2006 by Sean Luke
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| 3 | Licensed under the Academic Free License version 3.0
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| 4 | See the file "LICENSE" for more information
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| 5 | */
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| 6 |
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| 7 |
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| 8 | package ec.app.multiplexer;
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| 9 | import java.util.*;
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| 10 | import ec.gp.*;
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| 11 |
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| 12 | /*
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| 13 | * MultiplexerData.java
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| 14 | *
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| 15 | * Created: Wed Nov 3 18:32:13 1999
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| 16 | * By: Sean Luke
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| 17 | */
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| 18 |
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| 19 | /**
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| 20 | * This is ugly and complicated because it needs to hold a variety
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| 21 | * of different-length bitstrings, including temporary ones held
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| 22 | * while computing subtrees.
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| 23 | *
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| 24 | * @author Sean Luke
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| 25 | * @version 1.0
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| 26 | */
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| 27 |
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| 28 | public class MultiplexerData extends GPData
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| 29 | {
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| 30 | /** A stack of available long arrays for popDat11/pushDat11 */
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| 31 | public Stack tmp;
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| 32 |
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| 33 | /** The number of Dn in Multiplexer-3 */
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| 34 | public static final byte STATUS_3 = 1;
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| 35 | /** The number of Dn in Multiplexer-6 */
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| 36 | public static final byte STATUS_6 = 2;
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| 37 | /** The number of Dn in Multiplexer-11 */
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| 38 | public static final byte STATUS_11 = 3;
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| 39 | /** The length of an atomic data element in Multiplexer-3 (a byte) */
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| 40 | public static final int MULTI_3_BITLENGTH = 8;
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| 41 | /** The length of an atomic data element in Multiplexer-6 (a long) */
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| 42 | public static final int MULTI_6_BITLENGTH = 64;
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| 43 | /** The length of an atomic data element in Multiplexer-11 (a long) */
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| 44 | public static final int MULTI_11_BITLENGTH = 64;
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| 45 | /** The number of atomic elements in Multiplexer-11 comprising one string (32) */
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| 46 | public static final int MULTI_11_NUM_BITSTRINGS = 32;
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| 47 |
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| 48 | /** An array of 32 longs for Multiplexer-11 data */
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| 49 | public long[] dat_11;
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| 50 | /** A long for Multiplexer-6 data */
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| 51 | public long dat_6;
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| 52 | /** A byte for Multiplexer-3 data */
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| 53 | public byte dat_3;
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| 54 | /** A byte indicating the number of Dn in this problem */
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| 55 | public byte status;
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| 56 |
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| 57 | /** Pops a dat_11 off of the stack; if the stack is empty, creates a new dat_11 and returns that. */
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| 58 | public long[] popDat11()
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| 59 | {
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| 60 | if (tmp.empty())
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| 61 | return new long[MULTI_11_NUM_BITSTRINGS];
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| 62 | else return (long[])(tmp.pop());
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| 63 | }
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| 64 |
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| 65 | /** Pushes a dat_11 onto the stack */
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| 66 | public void pushDat11(long[] l)
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| 67 | {
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| 68 | tmp.push(l);
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| 69 | }
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| 70 |
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| 71 | public MultiplexerData()
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| 72 | {
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| 73 | dat_11 = new long[MULTI_11_NUM_BITSTRINGS];
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| 74 | tmp = new Stack();
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| 75 | }
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| 76 |
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| 77 | public Object clone()
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| 78 | {
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| 79 | MultiplexerData dat = (MultiplexerData)(super.clone());
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| 80 | dat.dat_11 = new long[MULTI_11_NUM_BITSTRINGS];
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| 81 | System.arraycopy(dat_11,0,dat.dat_11,0,MULTI_11_NUM_BITSTRINGS);
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| 82 | dat.tmp = new Stack();
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| 83 | return dat;
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| 84 | }
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| 85 |
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| 86 | public void copyTo(final GPData gpd)
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| 87 | {
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| 88 | MultiplexerData md = ((MultiplexerData)gpd);
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| 89 | for(int x=0;x<MULTI_11_NUM_BITSTRINGS;x++)
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| 90 | md.dat_11[x] = dat_11[x];
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| 91 | md.dat_6 = dat_6;
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| 92 | md.status = status;
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| 93 | }
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| 94 | }
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