FACTORS

Objective-C

struct FACTORS {
    struct DERIVS der;
    double h, k;        /* meridinal, parallel scales */
    double omega, thetap;   /* angular distortion, theta prime */
    double conv;        /* convergence */
    double s;           /* areal scale factor */
    double a, b;        /* max-min scale error */
    int code;           /* info as to analytics, see following */
}

Swift

struct FACTORS

Undocumented