Sort fail lows and fail highs below others

Every more recent line should always float up aove lines that were
indicated to be fail lows or fail highs through ? or ! PV suffixes.

diff --git a/engineoutput.c b/engineoutput.c
index 11229b9..45d9b1d 100644 (file)
--- a/engineoutput.c
+++ b/engineoutput.c
@@ -96,6 +96,7 @@ static int  columnMask = 0xF0;
 
 #define MAX_VAR 400
 static int scores[MAX_VAR], textEnd[MAX_VAR], keys[MAX_VAR], curDepth[2], nrVariations[2];
+static char fail[MAX_VAR];
 
 extern int initialRulePlies;
 
@@ -403,6 +404,7 @@ static int
 InsertionPoint (int len, EngineOutputData *ed)
 {
        int i, offs = 0, newScore = ed->score, n = ed->which;
+       char failType;
 
        if(ed->nodes == 0 && ed->score == 0 && ed->time == 0)
                newScore = 1e6; // info lines inserted on top
@@ -410,6 +412,9 @@ InsertionPoint (int len, EngineOutputData *ed)
                curDepth[n] = ed->depth;
                nrVariations[n] = 0; // throw away everything we had
        }
+       i = strlen(ed->pv); if(i > 0) i--;
+       failType = ed->pv[i];
+       if(failType != '?' && failType != '!') failType = ' ';
        // loop through all lines. Note even / odd used for different panes
        for(i=nrVariations[n]-2; i>=0; i-=2) {
                // put new item behind those we haven't looked at
@@ -417,18 +422,21 @@ InsertionPoint (int len, EngineOutputData *ed)
                textEnd[i+n+2] = offs + len;
                scores[i+n+2] = newScore;
                keys[i+n+2] = ed->moveKey;
+               fail[i+n+2] = failType;
                if(ed->moveKey != keys[i+n] && // same move always tops previous one (as a higher score must be a fail low)
-                  newScore < scores[i+n]) break;
+                  newScore < scores[i+n] && fail[i+n] == ' ') break;
                // if it had higher score as previous, move previous in stead
                scores[i+n+2] = ed->moveKey == keys[i+n] ? newScore : scores[i+n]; // correct scores of fail-low/high searches
                textEnd[i+n+2] = textEnd[i+n] + len;
                keys[i+n+2] = keys[i+n];
+               fail[i+n+2] = fail[i+n];
        }
        if(i<0) {
                offs = 0;
                textEnd[n] = offs + len;
                scores[n] = newScore;
                keys[n] = ed->moveKey;
+               fail[n] = failType;
        }
        nrVariations[n] += 2;
       return offs + strlen(header[ed->which]);
@@ -588,7 +596,7 @@ UpdateControls (EngineOutputData *ed)
         }
         Format(s_seld, params[0]); Format(s_knps, params[1]); Format(s_hits, hits); 
 
-        fail = ed->pv[strlen(ed->pv)-1];
+        if(*ed->pv) fail = ed->pv[strlen(ed->pv)-1]; else fail = ' ';
        if(fail != '?' && fail != '!') fail = ' ';
 
         /* Score */