From fbb2336a5b9808646703a8045e439bd887db1e5f Mon Sep 17 00:00:00 2001
From: Dae Woo Kim <kim503@wustl.edu>
Date: Wed, 29 Apr 2026 09:51:50 -0500
Subject: [PATCH] Apply runic formatting

---
 .github/workflows/CI.yml |  1 +
 Project.toml             |  3 +++
 src/RegisterUtilities.jl | 22 +++++++++++-----------
 test/runtests.jl         | 22 ++++++++++++++--------
 4 files changed, 29 insertions(+), 19 deletions(-)

diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index b2a3813..6ac1e04 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -14,6 +14,7 @@ jobs:
       matrix:
         version:
           - '1.1'
+          - '1'
         os:
           - ubuntu-latest
         arch:
diff --git a/Project.toml b/Project.toml
index b307670..53143e8 100644
--- a/Project.toml
+++ b/Project.toml
@@ -7,6 +7,9 @@ version = "0.1.0"
 LinearAlgebra = "37e2e46d-f89d-539d-b4ee-838fcccc9c8e"
 RegisterCore = "67712758-55e7-5c3c-8e85-dda1d7758434"
 
+[compat]
+julia = "^1.1"
+
 [extras]
 Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
 
diff --git a/src/RegisterUtilities.jl b/src/RegisterUtilities.jl
index a392fc4..c670395 100644
--- a/src/RegisterUtilities.jl
+++ b/src/RegisterUtilities.jl
@@ -12,9 +12,9 @@ end
 Counter(sz::Tuple) = Counter(Int[sz...])
 function Base.iterate(c::Counter)
     N = length(c.max)
-    (N == 0 || any(c.max.<=0)) && return nothing
-    state = ones(Int,N)
-    copy(state), state
+    (N == 0 || any(c.max .<= 0)) && return nothing
+    state = ones(Int, N)
+    return copy(state), state
 end
 function Base.iterate(c::Counter, state)
     state[1] += 1
@@ -25,7 +25,7 @@ function Base.iterate(c::Counter, state)
         state[i] += 1
     end
     state[end] > c.max[end] && return nothing
-    copy(state), state
+    return copy(state), state
 end
 
 # Below functions are from RegisterTestUtilities
@@ -37,19 +37,19 @@ export quadratic, block_center, tighten
 function quadratic(m, n, shift, Q)
     A = zeros(m, n)
     c = block_center(m, n)
-    cntr = [shift[1]+c[1], shift[2]+c[2]]
+    cntr = [shift[1] + c[1], shift[2] + c[2]]
     u = zeros(2)
-    for j = 1:n, i = 1:m
-        u[1], u[2] = i-cntr[1], j-cntr[2]
-        A[i,j] = dot(u,Q*u)
+    for j in 1:n, i in 1:m
+        u[1], u[2] = i - cntr[1], j - cntr[2]
+        A[i, j] = dot(u, Q * u)
     end
-    A
+    return A
 end
 
 quadratic(shift, Q, denom::Matrix) = MismatchArray(quadratic(size(denom)..., shift, Q), denom)
 
 function block_center(sz...)
-    ntuple(i->sz[i]>>1+1, length(sz))
+    return ntuple(i -> sz[i] >> 1 + 1, length(sz))
 end
 
 function tighten(A::AbstractArray)
@@ -58,7 +58,7 @@ function tighten(A::AbstractArray)
         T = promote_type(T, typeof(a))
     end
     At = similar(A, T)
-    copyto!(At, A)
+    return copyto!(At, A)
 end
 
 end
diff --git a/test/runtests.jl b/test/runtests.jl
index e577359..dc401c6 100644
--- a/test/runtests.jl
+++ b/test/runtests.jl
@@ -2,19 +2,25 @@ using Test
 using RegisterUtilities
 
 @testset "Counter test" begin
-    for empty_gridsize in ((), (0,), (1,0), (1,-1), (1,0,1))
+    for empty_gridsize in ((), (0,), (1, 0), (1, -1), (1, 0, 1))
         for c in Counter(empty_gridsize)
             @test c == nothing
         end
     end
-    for (gridsize, index_vec) in (((1,),[[1]]), ((2,3),[[1,1],[2,1],[1,2],[2,2],[1,3],[2,3]]),
-            ((2,3,4), [[1, 1, 1],[2, 1, 1],[1, 2, 1],[2, 2, 1],[1, 3, 1],[2, 3, 1],
-                       [1, 1, 2],[2, 1, 2],[1, 2, 2],[2, 2, 2],[1, 3, 2],[2, 3, 2],
-                       [1, 1, 3],[2, 1, 3],[1, 2, 3],[2, 2, 3],[1, 3, 3],[2, 3, 3],
-                       [1, 1, 4],[2, 1, 4],[1, 2, 4],[2, 2, 4],[1, 3, 4],[2, 3, 4]]))
-        cnt = Array{Array{Int64,1},1}()
+    for (gridsize, index_vec) in (
+            ((1,), [[1]]), ((2, 3), [[1, 1], [2, 1], [1, 2], [2, 2], [1, 3], [2, 3]]),
+            (
+                (2, 3, 4), [
+                    [1, 1, 1], [2, 1, 1], [1, 2, 1], [2, 2, 1], [1, 3, 1], [2, 3, 1],
+                    [1, 1, 2], [2, 1, 2], [1, 2, 2], [2, 2, 2], [1, 3, 2], [2, 3, 2],
+                    [1, 1, 3], [2, 1, 3], [1, 2, 3], [2, 2, 3], [1, 3, 3], [2, 3, 3],
+                    [1, 1, 4], [2, 1, 4], [1, 2, 4], [2, 2, 4], [1, 3, 4], [2, 3, 4],
+                ],
+            ),
+        )
+        cnt = Array{Array{Int64, 1}, 1}()
         for c in Counter(gridsize)
-            push!(cnt,c)
+            push!(cnt, c)
         end
         @test cnt == index_vec
     end