ATC version 2.0, date: Aug7

git-svn-id: svn://svn.icms.temple.edu/lammps-ro/trunk@10561 f3b2605a-c512-4ea7-a41b-209d697bcdaa

lib/atc/PaqAtcUtility.h

@@ -0,0 +1,65 @@
+// A class for defining atomic information used by the per-atom quantities
+// this is required so they can be templatized
+
+#ifndef PAQ_ATC_UTILITY_H
+#define PAQ_ATC_UTILITY_H
+
+#include "ATC_TypeDefs.h"
+#include "Array.h"
+#include "ATC_Error.h"
+
+namespace ATC {
+
+  // forward declarations
+  class ATC_Method;
+  class FE_Engine;
+
+  class PaqAtcUtility {
+
+  public:
+
+    // constructor
+    PaqAtcUtility(ATC_Method * atc, AtomType atomType=NO_ATOMS);
+
+    // destructor
+    ~PaqAtcUtility() {};
+
+    // get the number of local atoms associated with this type
+    int nlocal() const;
+
+    // get the total number of atoms on this processor
+    int nlocal_total() const;
+
+    /** get the number of spatial dimensions */
+    int nsd() const;
+
+    /** get the timestep size */
+    double dt() const;
+
+    /** get the map from atc to lammps indexing for this type */
+    const Array<int> & atc_to_lammps_map() const;
+
+    /** access to the engine */
+    const FE_Engine * fe_engine() const;
+
+  protected:
+
+    /** pointer to atc object */
+    ATC_Method * atc_;
+
+    /** type of atoms this quantity applies to */
+    AtomType atomType_;
+
+    /** function pointer to number of local atoms for this quantity */
+    int (ATC_Method::*myNlocal)() const;
+
+  private:
+
+    // do not define
+    PaqAtcUtility();
+
+  };
+
+};
+
+#endif