small cleanup

pub/src/expr.cpp

@@ -974,9 +974,7 @@ void CNodeDirac::tree_val( CResult& ret, const CContext& ctx ) const
     NCurveFile::setConv( &sv, &kconv, &jconv, ctx.k, ctx.j );
     double conv_norm; // normalization constant (integral of resolution)
     double conv_step; // step in x/t, if equidistant
-    int nv; // uint failed (wrong wrapping)
     if( kconv!=-1 ){
-        nv = sv->size();
         string info = "resolution " + strg(kconv) + ", spectrum " + strg(jconv);
         conv_norm = sv->norm( info );
         conv_step = sv->has_step( ctx.vt_step ) ? ctx.vt_step : 0;

pub/src/expr.h

@@ -88,12 +88,6 @@ class CTree {
     virtual void kdep_exec( bool *kd ) const {;} // default: do nothing
 
     CTree() {};
-    CTree( char _typ );
-    CTree( char _typ, const PTree& a0 );
-    CTree( char _typ, const PTree& a0, const PTree& a1 );
-    CTree( PTree a0 );
-    CTree( PTree a0, PTree a1 );
-    CTree( PTree a0, PTree a1, PTree a2 );
 
     uint npar() const;
     bool k_dependent() const;