From 30e7e434c7257c3a705df40d3e42e072958e46e5 Mon Sep 17 00:00:00 2001
From: Avik Pal <avikpal@mit.edu>
Date: Sat, 25 May 2024 12:37:48 -0700
Subject: [PATCH 1/2] Initialize uninitialized BigFloat array

---
 Project.toml        | 2 +-
 src/MaybeInplace.jl | 5 +++++
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/Project.toml b/Project.toml
index a8d3720..2b3b61b 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,7 +1,7 @@
 name = "MaybeInplace"
 uuid = "bb5d69b7-63fc-4a16-80bd-7e42200c7bdb"
 authors = ["Avik Pal <avikpal@mit.edu> and contributors"]
-version = "0.1.2"
+version = "0.1.3"
 
 [deps]
 ArrayInterface = "4fba245c-0d91-5ea0-9b3e-6abc04ee57a9"
diff --git a/src/MaybeInplace.jl b/src/MaybeInplace.jl
index f443a53..30b6397 100644
--- a/src/MaybeInplace.jl
+++ b/src/MaybeInplace.jl
@@ -290,6 +290,11 @@ used by `@bangbang` to determine if an array can be setindex-ed or not.
 
 @inline __similar(::CannotSetindex, x) = x
 @inline __similar(::CanSetindex, x) = similar(x)
+@inline function __similar(::CanSetindex, x::AbstractArray{<:BigFloat})
+    y = similar(x)
+    fill!(y, zero(eltype(y)))
+    return y
+end
 
 const OP_MAPPING = Dict{Symbol, Function}(:copyto! => __copyto!!, :.-= => __sub!!,
     :.+= => __add!!, :.*= => __mul!!, :./= => __div!!, :copy => __copy)

From b6487c7eff29ff53461d12d3809e7bb0512019eb Mon Sep 17 00:00:00 2001
From: Avik Pal <avikpal@mit.edu>
Date: Sat, 25 May 2024 12:39:50 -0700
Subject: [PATCH 2/2] Add some tests

---
 .github/workflows/CI.yml         |  1 -
 .github/workflows/Downstream.yml |  3 +++
 test/basictests.jl               | 17 +++++++++++++++++
 3 files changed, 20 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 83deee5..a0ccefe 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -20,7 +20,6 @@ jobs:
       matrix:
         version:
           - '1'
-          - '~1.11.0-0'
         os:
           - ubuntu-latest
           - macOS-latest
diff --git a/.github/workflows/Downstream.yml b/.github/workflows/Downstream.yml
index bd8372f..fb65210 100644
--- a/.github/workflows/Downstream.yml
+++ b/.github/workflows/Downstream.yml
@@ -48,6 +48,9 @@ jobs:
             @info "Not compatible with this release. No problem." exception=err
             exit(0)  # Exit immediately, as a success
           end
+        env:
+          RETESTITEMS_NWORKERS: 4
+          RETESTITEMS_NWORKER_THREADS: 2
       - uses: julia-actions/julia-processcoverage@v1
       - uses: codecov/codecov-action@v3
         with:
diff --git a/test/basictests.jl b/test/basictests.jl
index 5a61f1b..7bd84e6 100644
--- a/test/basictests.jl
+++ b/test/basictests.jl
@@ -24,6 +24,11 @@ function matmul!!(y, x, z)
     return y
 end
 
+function get_similar(x)
+    @bb z = similar(x)
+    return z
+end
+
 @testset "copyto!" begin
     x = [1.0, 1.0]
     y = [0.0, 0.0]
@@ -88,3 +93,15 @@ end
     @test matmul!!(y, x, z) == @SVector[2.0, 2.0]
     @test y == @SVector[0.0, 0.0]
 end
+
+@testset "similar" begin
+    x = [1.0, 1.0]
+    z = get_similar(x)
+
+    @test_nowarn z[1]
+
+    x = BigFloat[1.0, 1.0]
+    z = get_similar(x)
+
+    @test_nowarn z[1]  # Without correct similar this would throw UndefRefError
+end