float saturatedVaporPressure = .611f * exp(exponent);
float saturatedVaporPressure = .611f * (float)(Math.exp(exponent));
    public float getRelativeHumidity() {        float exponent = (17.4f * getTemperature()) / getTemperatureInKelvin();        float saturatedVaporPressure = .611f * exp(exponent);        return myVaporStoreImpl.getPressure() / saturatedVaporPressure;    }