From 539c6f9544a4ada993c55f2a80f58347b5b6419f Mon Sep 17 00:00:00 2001
From: nebmit <76664673+nebmit@users.noreply.github.com>
Date: Tue, 12 Mar 2024 15:05:11 +0100
Subject: [PATCH] fix(BTCS): create swapped b vector with correct length

[skip ci]
---
 julia/TUG/src/Core/BTCS.jl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/julia/TUG/src/Core/BTCS.jl b/julia/TUG/src/Core/BTCS.jl
index 60320ef..0d80d5e 100644
--- a/julia/TUG/src/Core/BTCS.jl
+++ b/julia/TUG/src/Core/BTCS.jl
@@ -266,7 +266,7 @@ function BTCS_2D(
 
     # Swap alphas, boundary conditions and sx/sy for column-wise calculation
     Threads.@threads for i = 1:cols
-        localB = zeros(T, cols)
+        localB = zeros(T, rows)
         A::Tridiagonal{T} = createCoeffMatrix(
             view(alphaY_t, i, :),
             view(alphaY_t_left, i, :),