-typedef enum
-{
- EXACT,
- /* Used for identity factors (a0= 0, a1= 1) that map a trace to itself. In
- * this case, min, max and accuracy are not initialized.
- */
-
- MIDDLE,
- /* The approximation is the middle of the min and max limits, all fields
- * are initialized.
- */
-
- FALLBACK,
- /* min and max are not available because the hulls do not respect
- * assumptions (hulls should not intersect and the upper half-hull should
- * be below the lower half-hull). The approximation is a "best effort".
- * All fields are initialized but min and max are NULL.
- */
-
- INCOMPLETE,
- /* min or max is available but not both. The hulls respected assumptions
- * but all receives took place after all sends or vice versa. approx and
- * accuracy are not initialized.
- */
-
- ABSENT,
- /* The pair of trace did not have communications in both directions (maybe
- * even no communication at all). approx and accuracy are not initialized.
- */
-
- SCREWED,
- /* min and max are not available because the algorithms are screwed. One
- * of min or max (but not both) is NULL. The other is initialized. Approx
- * is not initialized.
- */
-
- APPROX_NB, // This must be the last member
-} ApproxType;
-
-extern const char* const approxNames[APPROX_NB];
-
-typedef struct
-{
- Factors* min, * max, * approx;
- ApproxType type;
- double accuracy;
-} FactorsCHull;
-
-