/** * Apply this operator (function) to the supplied argument * * @param value the argument * @return the result */ protected double applyFunction(double value) { switch (m_operator) { case 'l': return Math.log(value); case 'b': return Math.abs(value); case 'c': return Math.cos(value); case 'e': return Math.exp(value); case 's': return Math.sqrt(value); case 'f': return Math.floor(value); case 'h': return Math.ceil(value); case 'r': return Math.rint(value); case 't': return Math.tan(value); case 'n': return Math.sin(value); } return Double.NaN; }