Problem with CFL-criterion and NaN values – in #9: CCLM

in #9: CCLM

<p> Regarding the NaN issue: Did you check the option <code> -fpe0 </code> ? </p>

  @burkhardtrockel in #be6c2a1

<p> Regarding the NaN issue: Did you check the option <code> -fpe0 </code> ? </p>

Regarding the NaN issue: Did you check the option -fpe0 ?