001    /**
002     * Implements the CFML Function log
003     */
004    package railo.runtime.functions.math;
005    
006    import railo.runtime.PageContext;
007    import railo.runtime.exp.ExpressionException;
008    import railo.runtime.exp.FunctionException;
009    import railo.runtime.ext.function.Function;
010    import railo.runtime.op.Caster;
011    
012    public final class Log implements Function {
013            public static double call(PageContext pc , double number) throws ExpressionException {
014                    if(number<=0.0D) 
015                            throw new FunctionException(pc,"log",1,"number","value must be a positive number now "+Caster.toString(number)+"");
016                    return StrictMath.log(number);
017            }
018    }