diff --git a/Examples/OldDrawGrid/main.cpp b/Examples/OldDrawGrid/main.cpp
index 029feda7..1e878aaa 100644
--- a/Examples/OldDrawGrid/main.cpp
+++ b/Examples/OldDrawGrid/main.cpp
@@ -1693,10 +1693,19 @@ void draw_screen()
 								{
 									if (source_tag.isDefined(visualization_type))
 									{
-										if (source_tag.GetDataType() == DATA_REAL || source_tag.GetDataType() == DATA_INTEGER || source_tag.GetDataType() == DATA_BULK || source_tag.GetDataType() == DATA_VARIABLE)
+										if (source_tag.GetDataType() == DATA_REAL || 
+											source_tag.GetDataType() == DATA_INTEGER || 
+											source_tag.GetDataType() == DATA_BULK 
+#if defined(USE_AUTODIFF)
+											|| 
+											source_tag.GetDataType() == DATA_VARIABLE
+#endif
+											)
 										{
+#if defined(USE_AUTODIFF)
 											if (source_tag.GetDataType() == DATA_VARIABLE)
 												printf("I can show only value for data of type variable\n");
+#endif
 											float min = 1.0e20, max = -1.0e20;
 											printf("prepearing data for visualization\n");
 											if (visualization_tag.isValid())
@@ -1760,6 +1769,7 @@ void draw_screen()
 														}
 														else val += wgt * static_cast<double>(v[comp]);
 													}
+#if defined(USE_AUTODIFF)
 													else if (source_tag.GetDataType() == DATA_VARIABLE)
 													{
 														Storage::var_array v = jt->VariableArray(source_tag);
@@ -1772,6 +1782,7 @@ void draw_screen()
 														}
 														else val += wgt * static_cast<double>(v[comp].GetValue());
 													}
+#endif
 													vol += wgt;
 												}
 												res = val / vol;
@@ -1832,6 +1843,7 @@ void draw_screen()
 														}
 														else val += wgt * static_cast<double>(v[comp]);
 													}
+#if defined(USE_AUTODIFF)
 													else if (source_tag.GetDataType() == DATA_VARIABLE)
 													{
 														Storage::var_array v = jt->VariableArray(source_tag);
@@ -1844,6 +1856,7 @@ void draw_screen()
 														}
 														else val += wgt * v[comp].GetValue();
 													}
+#endif
 													vol += wgt;
 												}
 												res = val / vol;
diff --git a/Source/Autodiff/model.cpp b/Source/Autodiff/model.cpp
index 09a912e2..fa3106a2 100644
--- a/Source/Autodiff/model.cpp
+++ b/Source/Autodiff/model.cpp
@@ -1,5 +1,5 @@
 #include "inmost_model.h"
-
+#if defined(USE_AUTODIFF) && defined(USE_MESH) && defined(USE_SOLVER)
 
 namespace INMOST
 {
@@ -273,3 +273,4 @@ namespace INMOST
 		return ret;
 	}
 }
+#endif
diff --git a/Source/Headers/inmost_expression.h b/Source/Headers/inmost_expression.h
index e6ab651e..7a510414 100644
--- a/Source/Headers/inmost_expression.h
+++ b/Source/Headers/inmost_expression.h
@@ -2283,6 +2283,9 @@ __INLINE                          INMOST_DATA_REAL_TYPE get_table(INMOST_DATA_RE
 
 
 #else //USE_AUTODIFF
+__INLINE bool check_nans(INMOST_DATA_REAL_TYPE val) {return val != val;}
+__INLINE bool check_infs(INMOST_DATA_REAL_TYPE val) {return std::isinf(val);}
+__INLINE bool check_nans_infs(INMOST_DATA_REAL_TYPE val) {return check_nans(val) || check_infs(val);}
 __INLINE void                     assign(INMOST_DATA_INTEGER_TYPE & Arg, INMOST_DATA_INTEGER_TYPE Val) {Arg = Val;}
 __INLINE void                     assign(INMOST_DATA_INTEGER_TYPE & Arg, INMOST_DATA_REAL_TYPE Val) {Arg = Val;}
 __INLINE void                     assign(INMOST_DATA_REAL_TYPE & Arg, INMOST_DATA_INTEGER_TYPE Val) {Arg = Val;}
diff --git a/Source/Headers/inmost_nonlinear.h b/Source/Headers/inmost_nonlinear.h
index e61d5e7b..74e40955 100644
--- a/Source/Headers/inmost_nonlinear.h
+++ b/Source/Headers/inmost_nonlinear.h
@@ -17,11 +17,12 @@ namespace INMOST
 	
 	class NonlinearSolver
 	{
-		Automatizator & aut;
+		//Automatizator & aut;
 	public:
-		NonlinearSolver(Automatizator & aut) : aut(aut) {}
-		NonlinearSolver(const NonlinearSolver & b) : aut(b.aut) {}
-		NonlinearSolver & operator =(NonlinearSolver const & b) {aut = b.aut; return *this;}
+		//NonlinearSolver(Automatizator & aut) : aut(aut) {}
+		NonlinearSolver() {}
+		NonlinearSolver(const NonlinearSolver & b) /*: aut(b.aut)*/ {}
+		NonlinearSolver & operator =(NonlinearSolver const & b) {/*aut = b.aut;*/ return *this;}
 		~NonlinearSolver() {}
 		
 		RequestedAction GetAction() const;
diff --git a/Source/Headers/inmost_operator.h b/Source/Headers/inmost_operator.h
index 668b8619..482a64a7 100644
--- a/Source/Headers/inmost_operator.h
+++ b/Source/Headers/inmost_operator.h
@@ -3,7 +3,7 @@
 
 #include "inmost_variable.h"
 
-#if defined(USE_AUTODIFF) && defined(USE_MESH)
+#if defined(USE_AUTODIFF) && defined(USE_MESH) && defined(USE_SOLVER)
 
 namespace INMOST
 {
diff --git a/Source/Mesh/parallel.cpp b/Source/Mesh/parallel.cpp
index 0bb6f1fd..7ac819f3 100644
--- a/Source/Mesh/parallel.cpp
+++ b/Source/Mesh/parallel.cpp
@@ -2334,12 +2334,14 @@ namespace INMOST
 						//array_data_send.resize(had_s+s*tag.GetBytesSize());
 						if( s )
 						{
+#if defined(USE_AUTODIFF)
 							if( tag.GetDataType() == DATA_VARIABLE )
 							{
 								REPORT_VAL("data size: ", s);
 								REPORT_VAL("data capacity: ", GetDataCapacity(*eit,tag));
 								REPORT_VAL("array size: ", had_s);
 							}
+#endif
 							array_data_send.resize(had_s+GetDataCapacity(*eit,tag));
 							GetData(*eit,tag,0,s,&array_data_send[had_s]);
             //REPORT_VAL("size",s);
@@ -2364,6 +2366,7 @@ namespace INMOST
 					//array_data_send.resize(had_s+s*tag.GetBytesSize());
 					if( s )
 					{
+#if defined(USE_AUTODIFF)
 						if( tag.GetDataType() == DATA_VARIABLE )
 						{
 							REPORT_VAL("on element ",Element(this,*eit).GlobalID());
@@ -2371,6 +2374,7 @@ namespace INMOST
 							REPORT_VAL("data capacity: ", GetDataCapacity(*eit,tag));
 							REPORT_VAL("size: ", s);
 						}
+#endif
 						array_data_send.resize(had_s+GetDataCapacity(*eit,tag));
                         if (tag.GetDataType() == DATA_REFERENCE)
                         {
@@ -2630,6 +2634,7 @@ namespace INMOST
 						{
 							if( !select || GetMarker(*eit,select) )
 							{
+#if defined(USE_AUTODIFF)
 								if( tag.GetDataType() == DATA_VARIABLE )
 								{
 									REPORT_VAL("on element ",Element(this,*eit).GlobalID());
@@ -2637,6 +2642,7 @@ namespace INMOST
 									REPORT_VAL("capacity ", GetDataCapacity(&array_data_recv[pos],size,tag));
 									REPORT_VAL("size ", size);
 								}
+#endif
 								op(tag,Element(this,*eit),&array_data_recv[pos],size);
 								pos += GetDataCapacity(&array_data_recv[pos],size,tag);
 								//pos += size*tag.GetBytesSize();