ex_isnan.nxc

This is an example of how to use the isNAN function.

task main()
{
  float j = -1;
  float f = sqrt(j);
  if (isNAN(f))
    TextOut(0, LCD_LINE1, "not a number");
  else
    NumOut(0, LCD_LINE1, f);
  NumOut(0, LCD_LINE2, f);
  Wait(SEC_5);
}