is_nan
Description
bool is_nan ( float val)Returns TRUE if val is 'not a number', like the result of acos(1.01).
See also is_finite() and is_infinite().
| Zurück | Zum Anfang | Weiter |
| is_infinite | Nach oben | lcg_value |
Returns TRUE if val is 'not a number', like the result of acos(1.01).
See also is_finite() and is_infinite().
| Zurück | Zum Anfang | Weiter |
| is_infinite | Nach oben | lcg_value |