1 files changed, 71 insertions, 0 deletions
diff --git a/Carpet/Requirements/src/gridpoint.hh b/Carpet/Requirements/src/gridpoint.hh
new file mode 100644
index 000000000..acc98d66f
--- /dev/null
+++ b/Carpet/Requirements/src/gridpoint.hh
@@ -0,0 +1,71 @@
+#ifndef GRIDPOINT_HH
+#define GRIDPOINT_HH
+
+#include <iostream>
+
+#include <cctk_Schedule.h>
+#include <clause.hh>
+#include <location.hh>
+
+using namespace std;
+
+namespace Requirements {
+  
+  extern bool there_was_an_error;
+  extern bool there_was_a_warning;
+
+  // Represents which have valid information and which do not.
+  // This will later be indexed by rl, map etc.
+  // Currently only works with unigrid.
+  class gridpoint_t {
+    bool i_interior, i_boundary, i_ghostzones, i_boundary_ghostzones;
+    public:
+    gridpoint_t():
+      i_interior(false), i_boundary(false), i_ghostzones(false),
+      i_boundary_ghostzones(false)
+    {}
+
+    // Construct an object with information about which points are
+    // valid, assuming that a function with the given clause has just
+    // been run
+    gridpoint_t(clause_t const& clause):
+      i_interior(clause.everywhere or clause.interior),
+      i_boundary(clause.everywhere or clause.boundary),
+      i_ghostzones(clause.everywhere),
+      i_boundary_ghostzones(clause.everywhere or clause.boundary_ghostzones)
+    {}
+    // Accessors
+    bool interior() const;
+    bool boundary() const;
+    bool ghostzones() const;
+    bool boundary_ghostzones() const;
+    void set_interior(bool b, location_t &l);
+    void set_boundary(bool b, location_t &l);
+    void set_ghostzones(bool b, location_t &l);
+    void set_boundary_ghostzones(bool b, location_t &l);
+
+    void check_state(clause_t const& clause,
+                     cFunctionData const* function_data,
+                     int vi, int rl, int m, int tl) const;
+    void report_error(cFunctionData const* function_data,
+                      int vi, int rl, int m, int tl,
+                      char const* what, char const* where) const;
+    void report_warning(cFunctionData const* function_data,
+                        int vi, int rl, int m, int tl,
+                        char const* what, char const* where) const;
+    void update_state(clause_t const& clause, location_t &loc);
+
+    // Input/Output helpers
+    void input (istream& is);
+    void output (ostream& os) const;
+    void output_location (location_t &l, int changed) const;
+  };
+
+
+  inline ostream& operator<< (ostream& os, const gridpoint_t& a) {
+    a.output(os);
+    return os;
+  }
+}
+
+#endif