public class DoubleNaN {
  native double getSomeDouble();

  void testComparison() {
    double RPM = getSomeDouble();
    if (RPM > 0) {
      //code
    } else if (RPM <= 0) {//intellisense assumes always true
      //code
    } else {//can trigger
      //code
    }
  }

  void testComparison2(double RPM) {
    if (RPM > 0) {
      //code
    } else if (RPM <= 0) {//intellisense assumes always true
      //code
    } else {//can trigger
      //code
    }
  }

  void test() {
    double x = Double.NaN;
    double y = Double.NaN;
    if(<warning descr="Condition 'x >= y' is always 'false'">x >= y</warning>) {
      System.out.println("oops");
    }
  }

  void test2() {
    System.out.println(<warning descr="Condition '1.0 == Double.NaN' is always 'false'">1.0 == Double.NaN</warning>);
    System.out.println(<warning descr="Condition '!(1.0 < Double.NaN)' is always 'true'">!(<warning descr="Condition '1.0 < Double.NaN' is always 'false'">1.0 < Double.NaN</warning>)</warning>);
  }
}