do not use deprecated interp

examples/wave/wave-eager-mpi.py

@@ -65,15 +65,15 @@ def wave_flux(discr, c, w_tpair):
             0.5*normal_times(v_jump),
             )
 
-    return discr.interp(w_tpair.dd, "all_faces", c*flux_weak)
+    return discr.project(w_tpair.dd, "all_faces", c*flux_weak)
 
 
 def wave_operator(discr, c, w):
     u = w[0]
     v = w[1:]
 
-    dir_u = discr.interp("vol", BTAG_ALL, u)
-    dir_v = discr.interp("vol", BTAG_ALL, v)
+    dir_u = discr.project("vol", BTAG_ALL, u)
+    dir_v = discr.project("vol", BTAG_ALL, v)
     dir_bval = flat_obj_array(dir_u, dir_v)
     dir_bc = flat_obj_array(-dir_u, dir_v)
 

grudge/eager.py

@@ -131,7 +131,7 @@ class EagerDGDiscretization(DGDiscretizationWithBoundaries):
 
 
 def interior_trace_pair(discrwb, vec):
-    i = discrwb.interp("vol", "int_faces", vec)
+    i = discrwb.project("vol", "int_faces", vec)
 
     if (isinstance(vec, np.ndarray)
             and vec.dtype.char == "O"
@@ -156,7 +156,7 @@ class RankBoundaryCommunication:
         self.remote_btag = BTAG_PARTITION(remote_rank)
 
         self.bdry_discr = discrwb.discr_from_dd(self.remote_btag)
-        self.local_dof_array = discrwb.interp("vol", self.remote_btag, vol_field)
+        self.local_dof_array = discrwb.project("vol", self.remote_btag, vol_field)
 
         local_data = self.array_context.to_numpy(flatten(self.local_dof_array))