Function isvalid

highs/ipm/basiclu/basiclu_object.c:94–97

* isvalid() - test if @obj is an allocated BASICLU object */

 * isvalid() - test if @obj is an allocated BASICLU object
 */
static lu_int isvalid(struct basiclu_object *obj)
{
    return obj && obj->istore && obj->xstore;
}

/*
 * lu_clear_lhs() - reset contents of lhs to zero