From f201dbeb8c14ea2043d017bf526843e4def01ad7 Mon Sep 17 00:00:00 2001
From: Justin Willmert <justin@willmert.me>
Date: Thu, 22 Oct 2020 14:43:32 -0500
Subject: [PATCH] Add sincospi

---
 Project.toml     | 2 +-
 README.md        | 3 +++
 src/Compat.jl    | 6 ++++++
 test/runtests.jl | 9 +++++++++
 4 files changed, 19 insertions(+), 1 deletion(-)

diff --git a/Project.toml b/Project.toml
index 6f56ae9e9..5fcacf7b3 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,6 +1,6 @@
 name = "Compat"
 uuid = "34da2185-b29b-5c13-b0c7-acf172513d20"
-version = "3.22.0"
+version = "3.23.0"
 
 [deps]
 Base64 = "2a0f44e3-6c83-55bd-87e4-b1978d98bd5f"
diff --git a/README.md b/README.md
index a763fea2b..757f75c5a 100644
--- a/README.md
+++ b/README.md
@@ -55,6 +55,8 @@ changes in `julia`.
 
 ## Supported features
 
+* `sincospi(x)` for calculating the tuple `(sinpi(x), cospi(x))` ([#35816]) (since Compat 3.23)
+
 * `Dates.canonicalize` can now take a `Period` as an input ([#37391]) (since Compat 3.22)
 
 * Import renaming is available through the `@compat` macro, e.g. `@compat import LinearAlgebra as LA` and
@@ -227,3 +229,4 @@ Note that you should specify the correct minimum version for `Compat` in the
 [#35243]: https://github.com/JuliaLang/julia/pull/35243
 [#37396]: https://github.com/JuliaLang/julia/pull/37396
 [#37391]: https://github.com/JuliaLang/julia/pull/37391
+[#35816]: https://github.com/JuliaLang/julia/pull/35816
diff --git a/src/Compat.jl b/src/Compat.jl
index 0e2448658..685ed5160 100644
--- a/src/Compat.jl
+++ b/src/Compat.jl
@@ -814,6 +814,12 @@ if VERSION < v"1.6.0-DEV.820"
     Dates.canonicalize(p::Period) = Dates.canonicalize(CompoundPeriod(p))
 end
 
+# https://github.com/JuliaLang/julia/pull/35816
+if VERSION < v"1.6.0-DEV.292" # 6cd329c371c1db3d9876bc337e82e274e50420e8
+    export sincospi
+    sincospi(x) = (sinpi(x), cospi(x))
+end
+
 include("iterators.jl")
 include("deprecated.jl")
 
diff --git a/test/runtests.jl b/test/runtests.jl
index b528cbaa6..0cb206122 100644
--- a/test/runtests.jl
+++ b/test/runtests.jl
@@ -765,6 +765,15 @@ end
     @test Dates.canonicalize(Dates.Minute(24*60*1 + 12*60)) == Dates.canonicalize(Dates.CompoundPeriod([Dates.Day(1),Dates.Hour(12)]))
 end
 
+# https://github.com/JuliaLang/julia/pull/35816
+@testset "sincospi(x)" begin
+    @test sincospi(0.13) == (sinpi(0.13), cospi(0.13))
+    @test sincospi(1//3) == (sinpi(1//3), cospi(1//3))
+    @test sincospi(5) == (sinpi(5), cospi(5))
+    @test sincospi(ℯ) == (sinpi(ℯ), cospi(ℯ))
+    @test sincospi(0.13im) == (sinpi(0.13im), cospi(0.13im))
+end
+
 include("iterators.jl")
 
 # Import renaming, https://github.com/JuliaLang/julia/pull/37396,