Merge with Christoph GPT checksum debug

Grid/lattice/Lattice_view.h

@@ -106,6 +106,47 @@ public:
   }
 
 };
+
+#ifdef GRID_LOG_VIEWS
+// Little autoscope assister
+template<class View> 
+class ViewCloser
+{
+  View v;  // Take a copy of view and call view close when I go out of scope automatically
+  const char* filename; int line, mode;
+public:
+  ViewCloser(View &_v, const char* _filename, int _line, int _mode) :
+    v(_v), filename(_filename), line(_line), mode(_mode) {
+    
+    switch (mode){
+    case AcceleratorRead:
+    case AcceleratorWrite:
+    case CpuRead:
+    case CpuWrite:
+      ViewLogger::Log(filename, line, 1, mode, &v[0], v.size() * sizeof(v[0]));
+      break;
+    } 
+    
+  };
+  ~ViewCloser() {
+    
+    switch (mode) {
+    case AcceleratorWriteDiscard:
+    case AcceleratorWrite:
+    case CpuWrite:
+      ViewLogger::Log(filename, line, -1, mode, &v[0], v.size() * sizeof(v[0]));
+      break;
+    }
+    
+    v.ViewClose();
+  }
+};
+
+#define autoView(l_v,l,mode)				\
+	  auto l_v = l.View(mode);			\
+	  ViewCloser<decltype(l_v)> _autoView##l_v(l_v,__FILE__,__LINE__,mode);
+
+#else
 // Little autoscope assister
 template<class View> 
 class ViewCloser
@@ -119,6 +160,7 @@ class ViewCloser
 #define autoView(l_v,l,mode)				\
 	  auto l_v = l.View(mode);			\
 	  ViewCloser<decltype(l_v)> _autoView##l_v(l_v);
+#endif
 
 /////////////////////////////////////////////////////////////////////////////////////////
 // Lattice expression types used by ET to assemble the AST