verbose plaquette example; fat link test frame

tests/smearing/Test_fatLinks.cc

@@ -0,0 +1,40 @@
+/* 
+ * Test_fatLinks.cc                                                               
+ * 
+ * D. Clarke 
+ * 
+ * Test the various constructs used to make fat links. 
+ * 
+ */
+
+
+#include <Grid/Grid.h>
+using namespace Grid;
+
+template <class Gimpl> class : public Gimpl {
+public:
+
+    INHERIT_GIMPL_TYPES(Gimpl);
+
+    typedef typename Gimpl::GaugeLinkField GaugeMat;
+    typedef typename Gimpl::GaugeField GaugeLorentz;
+
+    static void staple(GaugeMat &plaq, const std::vector<GaugeMat> &U, const int mu, const int nu) {
+    }
+
+}
+
+int main (int argc, char **argv)
+{
+    Grid_init(&argc, &argv);
+
+    Coordinate simd_layout = GridDefaultSimd(4,vComplex::Nsimd());
+    Coordinate mpi_layout  = GridDefaultMpi();
+    Coordinate latt_size   = GridDefaultLatt();
+
+    GridCartesian spacetime(latt_size,simd_layout,mpi_layout);
+
+    PeriodicGimplD::Field U(&spacetime);
+
+    Grid_finalize();
+}