curve refinement works. todo: segmentation

pub/lib/plot.cpp

@@ -278,6 +278,7 @@ public:
 
 int plot_curve_refine(CPlot* plot, const COlc* fc, int k, int j, int cstyle)
 {
+    printf( "\nDEBUG REFINE\n" );
     auto x2p = [&](const vector<double>& x) -> vector<CPt> {
         vector<double> y = PCAST<const CObjVecDbl>(fc->eval_curve(x, k, j, false))->v;
         vector<int> inRange = fc->eval_prange(x, k, j)->v;
@@ -306,9 +307,8 @@ int plot_curve_refine(CPlot* plot, const COlc* fc, int k, int j, int cstyle)
     vector<CPt> pp;
     for (int iref=0; iref<13 && pp.size() < plot->maxpoints; ++iref) {
         vector<CPt> pn = x2p(xn);
-        printf( "DEBUG %2i %6zu %6zu\n", iref, pp.size(), pn.size() );
-        vector<CPt> pp = triv::merge_sorted(pp, pn, pt_order);
-        printf( "DEBUG -> %6zu\n", pp.size() );
+        printf( "DEBUG %2i #pp=%6zu #pn=%6zu\n", iref, pp.size(), pn.size() );
+        pp = triv::merge_sorted(pp, pn, pt_order);
         xn.clear();
 
         // detect jumps:
@@ -332,8 +332,8 @@ int plot_curve_refine(CPlot* plot, const COlc* fc, int k, int j, int cstyle)
             }
             po.push_back( *b );
         }
-        pp.clear();
-        copy(po.begin(), po.end(), back_inserter(pp));
+        printf( "DEBUG -> #pp=%6zu #po=%6zu #xn=%6zu\n", pp.size(), po.size(), xn.size() );
+        pp = po;
         if (!xn.size())
             break;
     }