Method ceil

rhino/src/main/java/org/mozilla/javascript/NativeMath.java:185–190

(
            Context cx, JSFunction f, Object nt, VarScope s, Object thisObj, Object[] args)

    }

    private static Object ceil(
            Context cx, JSFunction f, Object nt, VarScope s, Object thisObj, Object[] args) {
        double x = ScriptRuntime.toNumber(args, 0);
        x = Math.ceil(x);
        return ScriptRuntime.wrapNumber(x);
    }

    private static Object clz32(
            Context cx, JSFunction f, Object nt, VarScope s, Object thisObj, Object[] args) {