Fixed wrong answer for tau for alternating knots when epsilon = -1

Reported by Kyle Hayden.  Tested by doing RII moves on alternating knots
to make them nonalternating and then applying the general algorithm.

ComputeHFKv2/Alternating.cpp

@@ -190,9 +190,22 @@ void KnotFloerForAlternatingKnots(PlanarDiagram Diag, ostream & os)
     else os<<"Fibered : No\n";       
     if(LSpaceKnot) os<<"L-space knot : Yes\n";
     else os<<"L-space knot : No\n";
-    os<<"Tau : "<<delta<<endl;  
-    os<<"Nu : "<<delta<<endl;
-    int epsilon=0; if(delta >0) epsilon=1; if(delta<0) epsilon=-1;
+    int epsilon, tau, nu;
+    tau = delta;
+    if(delta > 0){
+	epsilon = 1;
+	nu = delta;
+    }
+    if(delta == 0){
+	epsilon = 0;
+	nu = 0;
+    }
+    if(delta < 0){
+	epsilon = -1;
+	nu = delta + 1;
+    }
+    os<<"Tau : "<<tau<<endl;
+    os<<"Nu : "<<nu<<endl;
     os<<"Epsilon : "<<epsilon<<endl;
 }
 
@@ -204,23 +217,5 @@ void KnotFloerForAlternatingKnots(PlanarDiagram Diag, ostream & os)
 
 
 
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ComputeHFKv2/PyWrapper.cpp

@@ -153,16 +153,31 @@ static py::object KnotFloerForAlternatingKnotsAsDict(PlanarDiagram Diag, int pri
   int MaxAlex = -(*Range.begin()).first;
   int LeadingCoeff = (*Range.begin()).second;
 
+  int epsilon, tau, nu;
+  tau = delta;
+  if(delta > 0){
+      epsilon = 1;
+      nu = delta;
+  }
+  if(delta == 0){
+      epsilon = 0;
+      nu = 0;
+  }
+  if(delta < 0){
+      epsilon = -1;
+      nu = delta + 1;
+  }
+
   return std::map<std::string, py::object>{
       { "modulus", prime },
       { "ranks", ranks },
       { "total_rank", TotalRank },
       { "seifert_genus", MaxAlex / 2 },
       { "fibered", (LeadingCoeff == 1 || LeadingCoeff == -1) },
       { "L_space_knot", LSpaceKnot },
-      { "tau", delta },
-      { "nu", delta },
-      { "epsilon", (delta > 0) - (delta < 0) } };
+      { "tau", tau },
+      { "nu", nu },
+      { "epsilon", epsilon } };
 }
 
 // The one and only function exported by this module.

python_src/__init__.py

@@ -1,4 +1,4 @@
-__version__ = '1.0.1'
+__version__ = '1.0.2'
 
 from .hfk import pd_to_morse, pd_to_hfk