Mercurial Hosting > luan
diff src/luan/modules/MathLuan.java @ 168:ebe9db183eb7
rename *Lib.java to *Luan.java
git-svn-id: https://luan-java.googlecode.com/svn/trunk@169 21e917c8-12df-6dd8-5cb6-c86387c605b9
author | fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9> |
---|---|
date | Sun, 22 Jun 2014 04:42:07 +0000 |
parents | src/luan/modules/MathLib.java@4c0131c2b650 |
children |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/luan/modules/MathLuan.java Sun Jun 22 04:42:07 2014 +0000 @@ -0,0 +1,152 @@ +package luan.modules; + +import luan.LuanState; +import luan.LuanTable; +import luan.LuanFunction; +import luan.LuanJavaFunction; +import luan.LuanException; + + +public final class MathLuan { + + public static final LuanFunction LOADER = new LuanFunction() { + @Override public Object call(LuanState luan,Object[] args) { + LuanTable module = new LuanTable(); + try { + add( module, "abs", Double.TYPE ); + add( module, "acos", Double.TYPE ); + add( module, "asin", Double.TYPE ); + add( module, "atan", Double.TYPE ); + add( module, "atan2", Double.TYPE, Double.TYPE ); + add( module, "ceil", Double.TYPE ); + add( module, "cos", Double.TYPE ); + add( module, "cosh", Double.TYPE ); + add( module, "deg", Double.TYPE ); + add( module, "exp", Double.TYPE ); + add( module, "floor", Double.TYPE ); + add( module, "log", Double.TYPE ); + add( module, "min", Double.TYPE, new double[0].getClass() ); + add( module, "max", Double.TYPE, new double[0].getClass() ); + add( module, "modf", Double.TYPE ); + module.put("pi",Math.PI); + add( module, "pow", Double.TYPE, Double.TYPE ); + add( module, "rad", Double.TYPE ); + add( module, "random" ); + add( module, "sin", Double.TYPE ); + add( module, "sinh", Double.TYPE ); + add( module, "sqrt", Double.TYPE ); + add( module, "tan", Double.TYPE ); + add( module, "tanh", Double.TYPE ); + } catch(NoSuchMethodException e) { + throw new RuntimeException(e); + } + return module; + } + }; + + private static void add(LuanTable t,String method,Class<?>... parameterTypes) throws NoSuchMethodException { + t.put( method, new LuanJavaFunction(MathLuan.class.getMethod(method,parameterTypes),null) ); + } + + public static double abs(double x) { + return Math.abs(x); + } + + public static double acos(double x) { + return Math.acos(x); + } + + public static double asin(double x) { + return Math.asin(x); + } + + public static double atan(double x) { + return Math.atan(x); + } + + public static double atan2(double y,double x) { + return Math.atan2(y,x); + } + + public static double ceil(double x) { + return Math.ceil(x); + } + + public static double cos(double x) { + return Math.cos(x); + } + + public static double cosh(double x) { + return Math.cosh(x); + } + + public static double deg(double x) { + return Math.toDegrees(x); + } + + public static double exp(double x) { + return Math.exp(x); + } + + public static double floor(double x) { + return Math.floor(x); + } + + public static double log(double x) { + return Math.log(x); + } + + public static double min(double x,double... a) { + for( double d : a ) { + if( x > d ) + x = d; + } + return x; + } + + public static double max(double x,double... a) { + for( double d : a ) { + if( x < d ) + x = d; + } + return x; + } + + public static double[] modf(double x) { + double i = (int)x; + return new double[]{i,x-i}; + } + + public static double pow(double x,double y) { + return Math.pow(x,y); + } + + public static double rad(double x) { + return Math.toRadians(x); + } + + public static double random() { + return Math.random(); + } + + public static double sin(double x) { + return Math.sin(x); + } + + public static double sinh(double x) { + return Math.sinh(x); + } + + public static double sqrt(double x) { + return Math.sqrt(x); + } + + public static double tan(double x) { + return Math.tan(x); + } + + public static double tanh(double x) { + return Math.tanh(x); + } + +}