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annotate src/luan/LuaNumber.java @ 8:8896068e0a4b

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finish operators git-svn-id: https://luan-java.googlecode.com/svn/trunk@9 21e917c8-12df-6dd8-5cb6-c86387c605b9
author fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
date Wed, 21 Nov 2012 06:57:09 +0000
parents 4da26b11d12a
children 57054fa43189
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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1 package luan;
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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4 public final class LuaNumber implements Comparable<LuaNumber> {
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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5 final double n;
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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7 public LuaNumber(double n) {
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8 this.n = n;
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9 }
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11 public double value() {
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12 return n;
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13 }
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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15 // convert to Lua format
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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16 @Override public String toString() {
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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17 String s = Double.toString(n);
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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18 int iE = s.indexOf('E');
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19 String ending = null;
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20 if( iE != -1 ) {
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21 ending = s.substring(iE);
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22 s = s.substring(0,iE);
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23 }
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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24 if( s.endsWith(".0") )
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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25 s = s.substring(0,s.length()-2);
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26 if( ending != null )
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27 s += ending;
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28 return s;
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29 }
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31 @Override public boolean equals(Object obj) {
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32 if( !(obj instanceof LuaNumber) )
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33 return false;
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34 LuaNumber ln = (LuaNumber)obj;
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35 return n == ln.n;
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36 }
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38 @Override public int hashCode() {
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39 return Double.valueOf(n).hashCode();
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40 }
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42 @Override public int compareTo(LuaNumber ln) {
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43 return Double.compare(n,ln.n);
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44 }
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parents: 2
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46 }