Mercurial Hosting > luan
diff src/luan/interp/PowExpr.java @ 8:8896068e0a4b
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 | |
| children | b7d7069fee58 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/luan/interp/PowExpr.java Wed Nov 21 06:57:09 2012 +0000 @@ -0,0 +1,20 @@ +package luan.interp; + +import luan.Lua; +import luan.LuaNumber; +import luan.LuaException; +import luan.LuaState; + + +final class PowExpr extends BinaryOpExpr { + + PowExpr(Expr op1,Expr op2) { + super(op1,op2); + } + + @Override Object eval(LuaState lua) throws LuaException { + double n1 = Lua.checkNumber(op1.eval(lua)).value(); + double n2 = Lua.checkNumber(op2.eval(lua)).value(); + return new LuaNumber( Math.pow(n1,n2) ); + } +}