Added proper comparisions between BlockPRanges

src/BlockPartitionedArrays.jl

@@ -25,6 +25,21 @@ function Base.getindex(a::BlockPRange,inds::Block{1})
   a.ranges[inds.n...]
 end
 
+function PartitionedArrays.matching_local_indices(a::BlockPRange,b::BlockPRange)
+  c = map(PartitionedArrays.matching_local_indices,blocks(a),blocks(b))
+  reduce(&,c,init=true)
+end
+
+function PartitionedArrays.matching_own_indices(a::BlockPRange,b::BlockPRange)
+  c = map(PartitionedArrays.matching_own_indices,blocks(a),blocks(b))
+  reduce(&,c,init=true)
+end
+
+function PartitionedArrays.matching_ghost_indices(a::BlockPRange,b::BlockPRange)
+  c = map(PartitionedArrays.matching_ghost_indices,blocks(a),blocks(b))
+  reduce(&,c,init=true)
+end
+
 """
   struct BlockPArray{V,T,N,A,B} <: BlockArrays.AbstractBlockArray{T,N}
 """

src/MultiField.jl

@@ -186,7 +186,7 @@ end
 
 function FESpaces.interpolate!(objects,free_values::AbstractVector,space::DistributedMultiFieldFESpace)
   msg = "free_values and FESpace have incompatible index partitions."
-  @check partition(axes(free_values,1)) === partition(space.gids) msg
+  @check PartitionedArrays.matching_local_indices(axes(free_values,1),get_free_dof_ids(space)) msg
 
   # Interpolate each field
   field_fe_fun = DistributedSingleFieldFEFunction[]
@@ -219,7 +219,7 @@ function FESpaces.interpolate_everywhere!(
   space::DistributedMultiFieldFESpace
 )
   msg = "free_values and FESpace have incompatible index partitions."
-  @check partition(axes(free_values,1)) === partition(space.gids) msg
+  @check PartitionedArrays.matching_local_indices(axes(free_values,1),get_free_dof_ids(space)) msg
 
   # Interpolate each field
   field_fe_fun = DistributedSingleFieldFEFunction[]

test/MultiFieldTests.jl

@@ -17,7 +17,6 @@ function main(distribute, parts, mfs)
 
   domain = (0,4,0,4)
   cells = (4,4)
-  model = CartesianDiscreteModel(domain,cells)
   model = CartesianDiscreteModel(ranks,parts,domain,cells)
   Ω = Triangulation(model)