NAN
fValue(NAN),
return NAN;
FLOAT retval = NAN;
return NAN;
return NAN;
return NAN;
const float kNaN = NAN;
const double kNaN = NAN;
const float kArrayFloat[] = {3.4f, 0.0f, NAN, HUGE_VALF};
const double kArrayDouble[] = {3.42, 0.0, NAN, HUGE_VAL};