label | integer | specifies the fit function selected | input |
| dblarr | fit parameter array | input |
| dblarr | boundary parameter array | input |
| dblarr |
| input |
| dblarr | function value f at | output |
| dblarr | first derivative | output |
| dblarr | second derivative | output |
| dblarr | third derivative | output |
| dblarr | integral value at | output |