Generate graphs of synchronization accuracy

[lttv.git] / lttv / lttv / sync / event_analysis_chull.h

diff --git a/lttv/lttv/sync/event_analysis_chull.h b/lttv/lttv/sync/event_analysis_chull.h
index c9e82457220fa4d6f3bc24f04e226e47d10bd901..b82596b97009dbe4355b95867607a859bd3ccc49 100644 (file)
--- a/lttv/lttv/sync/event_analysis_chull.h
+++ b/lttv/lttv/sync/event_analysis_chull.h
@@ -32,36 +32,44 @@ typedef struct
 
 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.
         */
-       EXACT,
+
+       MIDDLE,
        /* The approximation is the middle of the min and max limits, all fields
         * are initialized.
         */
-       MIDDLE,
+
+       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.
         */
-       FALLBACK,
+
+       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.
         */
-       INCOMPLETE,
+
+       ABSENT,
        /* The pair of trace did not have communications in both directions (maybe
         * even no communication at all). approx and accuracy are not initialized.
         */
-       ABSENT,
+
+       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.
         */
-       SCREWED,
+
+       APPROX_NB, // This must be the last member
 } ApproxType;
 
+extern const char* const approxNames[APPROX_NB];
 
 typedef struct
 {
@@ -116,7 +124,7 @@ typedef struct
 
 typedef struct
 {
-       /* Point hullArray[traceNb][traceNb][]
+       /* Point* hullArray[traceNb][traceNb][]
         *
         * A message comes from two traces. The lowest numbered trace is
         * considered to be the reference clock, CA. The other is CB. The
@@ -161,4 +169,12 @@ typedef struct
        AnalysisGraphsDataCHull* graphsData;
 } AnalysisDataCHull;
 
+
+FactorsCHull** calculateAllFactors(struct _SyncState* const syncState);
+void freeAllFactors(const unsigned int traceNb, FactorsCHull** const
+       allFactors);
+
+void calculateFactorsMiddle(FactorsCHull* const factors);
+void destroyFactorsCHull(FactorsCHull* factorsCHull);
+
 #endif