--- a/src/LazyTensors/lazy_tensor_operations.jl	Wed Feb 08 21:21:28 2023 +0100
+++ b/src/LazyTensors/lazy_tensor_operations.jl	Wed Feb 08 21:32:48 2023 +0100
@@ -1,5 +1,3 @@
-using Sbplib.RegionIndices
-
 """
     TensorApplication{T,R,D} <: LazyArray{T,R}
 
@@ -325,29 +323,3 @@
     print(io, "RangeSizeMismatch: ")
     print(io, "range size $(range_size(err.tm)) of LazyTensor not matching size $(err.sz)")
 end
-
-# TODO: These should probably be removed. From new testing in performance/get_region_type_inference it seems that the problems are solved without these
-function apply_with_region(op, v, boundary_width::Integer, dim_size::Integer, i)
-    if 0 < i <= boundary_width
-        return LazyTensors.apply(op,v,Index(i,Lower))
-    elseif boundary_width < i <= dim_size-boundary_width
-        return LazyTensors.apply(op,v,Index(i,Interior))
-    elseif dim_size-boundary_width < i <= dim_size
-        return LazyTensors.apply(op,v,Index(i,Upper))
-    else
-        error("Bounds error") # TODO: Make this more standard
-    end
-end
-# TBD: Can these methods be merge by having a function as an arguement instead?
-# TODO: Add inference test that show where things break and how this rewrite fixes it.
-function apply_transpose_with_region(op, v, boundary_width::Integer, dim_size::Integer, i)
-    if 0 < i <= boundary_width
-        return LazyTensors.apply_transpose(op,v,Index(i,Lower))
-    elseif boundary_width < i <= dim_size-boundary_width
-        return LazyTensors.apply_transpose(op,v,Index(i,Interior))
-    elseif dim_size-boundary_width < i <= dim_size
-        return LazyTensors.apply_transpose(op,v,Index(i,Upper))
-    else
-        error("Bounds error") # TODO: Make this more standard
-    end
-end

--- a/src/RegionIndices/RegionIndices.jl	Wed Feb 08 21:21:28 2023 +0100
+++ b/src/RegionIndices/RegionIndices.jl	Wed Feb 08 21:32:48 2023 +0100
@@ -65,7 +65,6 @@
         error("Bounds error") # TODO: Make this more standard
     end
 end
-# 2022-02-21: Using the return values of getregion cause type inference to give up in certain cases, for example H*H*v
 
 export getregion
 

--- a/src/SbpOperators/boundaryops/boundary_operator.jl	Wed Feb 08 21:21:28 2023 +0100
+++ b/src/SbpOperators/boundaryops/boundary_operator.jl	Wed Feb 08 21:32:48 2023 +0100
@@ -54,5 +54,6 @@
 end
 
 function LazyTensors.apply_transpose(op::BoundaryOperator, v::AbstractArray{<:Any,0}, i)
-    return LazyTensors.apply_transpose_with_region(op, v, closure_size(op), op.size[1], i)
+    r = getregion(i, closure_size(op), op.size)
+    apply_transpose(op, v, Index(i,r))
 end

--- a/src/SbpOperators/volumeops/constant_interior_scaling_operator.jl	Wed Feb 08 21:21:28 2023 +0100
+++ b/src/SbpOperators/volumeops/constant_interior_scaling_operator.jl	Wed Feb 08 21:32:48 2023 +0100
@@ -41,7 +41,8 @@
 end
 
 function LazyTensors.apply(op::ConstantInteriorScalingOperator, v::AbstractVector, i)
-    return LazyTensors.apply_with_region(op, v, closure_size(op), op.size[1], i)
+    r = getregion(i, closure_size(op), op.size[1])
+    return LazyTensors.apply(op, v, Index(i, r))
 end
 
 LazyTensors.apply_transpose(op::ConstantInteriorScalingOperator, v, i) = apply(op, v, i)

--- a/src/SbpOperators/volumeops/inference_trouble.txt	Wed Feb 08 21:21:28 2023 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,53 +0,0 @@
-Innan ändringarna på den här branchen:
-
-begin
-    using Sbplib
-    using Sbplib.Grids
-    using Sbplib.SbpOperators
-
-    g = EquidistantGrid((10,10),(0.,0.), (1.,1.))
-    v = evalOn(g, (x,y)->x^2+y^2+1)
-    H = inner_product(g, 1., [1/2])
-end
-
-# Not type stable
-LazyTensors.apply(H.t1, H.t2*v, 1,2) 
-@code_warntype LazyTensors.apply(H.t1, H.t2*v, 1,2)
-@code_warntype LazyTensors.apply(H.t1.tm, view(H.t2*v,:,1), 2)
-
-# Nedan är halvdåliga
-@code_warntype LazyTensors.apply(H.t1.tm, view(H.t2*v,1,:), 2)
-@code_warntype LazyTensors.apply(H.t1.tm, view(v,1,:), 2)
-@code_warntype LazyTensors.apply(H.t1.tm, view(v,:,1), 2)
-@code_warntype LazyTensors.apply(H.t1.tm, v[:,1], 2)
-
-
-
-
-
-
-
-
-
-begin
-    using Sbplib
-    using Sbplib.Grids
-    using Sbplib.SbpOperators
-    import Sbplib.SbpOperators: Stencil
-    using Sbplib.RegionIndices
-
-    g = EquidistantGrid(10,0., 1.)
-    v = evalOn(g, (x)->x^2+1)
-    H = inner_product(g, 1., [1/2])
-    V = SbpOperators.volume_operator(g, Stencil(1.,center=1), (Stencil(1/2,center=1),), SbpOperators.even,1)
-    b = SbpOperators.boundary_operator(g, Stencil(1/2,center=1), CartesianBoundary{1,Lower}())
-end
-
-@code_warntype LazyTensors.apply(H, H*v, 2)
-@code_warntype LazyTensors.apply(V, V*v, 2)
-@code_warntype LazyTensors.apply(b, b*v, 2)
-
-
-
-begin
-end

--- a/src/SbpOperators/volumeops/volume_operator.jl	Wed Feb 08 21:21:28 2023 +0100
+++ b/src/SbpOperators/volumeops/volume_operator.jl	Wed Feb 08 21:32:48 2023 +0100
@@ -32,6 +32,7 @@
 end
 
 function LazyTensors.apply(op::VolumeOperator, v::AbstractVector, i)
-    return LazyTensors.apply_with_region(op, v, closure_size(op), op.size[1], i)
+    r = getregion(i, closure_size(op), op.size[1])
+    return LazyTensors.apply(op, v, Index(i, r))
 end
 # TODO: Move this to LazyTensors when we have the region communication down.