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annotate src/luan/lib/MathLib.java @ 74:f003338d503b

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improve package lib git-svn-id: https://luan-java.googlecode.com/svn/trunk@75 21e917c8-12df-6dd8-5cb6-c86387c605b9
author fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
date Wed, 13 Feb 2013 06:27:56 +0000
parents f86e4f77ef32
children 4bf3d0c0b6b9
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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1 package luan.lib;
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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3 import luan.LuanState;
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4 import luan.LuanTable;
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5 import luan.LuanFunction;
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6 import luan.LuanJavaFunction;
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9 public final class MathLib {
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11 public static final String NAME = "math";
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13 public static final LuanFunction LOADER = new LuanFunction() {
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14 public Object[] call(LuanState luan,Object[] args) {
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15 LuanTable module = new LuanTable();
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16 LuanTable global = luan.global;
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17 try {
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18 add( module, "floor", Double.TYPE );
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19 } catch(NoSuchMethodException e) {
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20 throw new RuntimeException(e);
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21 }
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22 return new Object[]{module};
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23 }
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24 };
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26 private static void add(LuanTable t,String method,Class<?>... parameterTypes) throws NoSuchMethodException {
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27 t.put( method, new LuanJavaFunction(MathLib.class.getMethod(method,parameterTypes),null) );
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28 }
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30 public static double floor(double x) {
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31 return Math.floor(x);
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32 }
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34 }