int QStest_row_norms  (QSprob p)

/* p is an initialized QSprob, a handle to an existing LP problem.  */
/* Assume we are working with QS_PRICE_DSTEEP pricing rule.         */

int rval, yesno;

yesno = QStest_row_norms (p);
if (yesno == 1) {
    printf ("Row norms exist\n");
} else {
    printf ("Need to compute row norms\n");
    rval = QScompute_row_norms (p);
    if (rval) {
        fprintf (stderr,
                 "Could not compute norms, error code %d\n", rval);
    }
}