diff src/SbpOperators/stencil.jl @ 1032:11767fbb29f4 feature/dissipation_operators

Add padding functions for stencils
author Jonatan Werpers <jonatan@werpers.com>
date Tue, 22 Mar 2022 11:18:57 +0100
parents 4433be383840
children 14cb97284373
line wrap: on
line diff
--- a/src/SbpOperators/stencil.jl	Tue Mar 22 10:42:19 2022 +0100
+++ b/src/SbpOperators/stencil.jl	Tue Mar 22 11:18:57 2022 +0100
@@ -78,3 +78,18 @@
     end
     return w
 end
+
+
+function left_pad(s::Stencil, N)
+    weights = LazyTensors.left_pad_tuple(s.weights, zero(eltype(s)), N)
+    range = (s.range[1] - (N - length(s.weights)) ,s.range[2])
+
+    return Stencil(range, weights)
+end
+
+function right_pad(s::Stencil, N)
+    weights = LazyTensors.right_pad_tuple(s.weights, zero(eltype(s)), N)
+    range = (s.range[1], s.range[2] + (N - length(s.weights)))
+
+    return Stencil(range, weights)
+end