From 5e06a3d1f4862e4bfce7ec337c0981edbd0999c4 Mon Sep 17 00:00:00 2001
From: Tommy Hofmann <thofma@gmail.com>
Date: Thu, 22 Dec 2022 20:40:29 +0100
Subject: [PATCH] Add sign(::Type{Int}, ::fmpq) (#1366)

---
 src/flint/fmpq.jl       | 2 ++
 test/flint/fmpq-test.jl | 3 +++
 2 files changed, 5 insertions(+)

diff --git a/src/flint/fmpq.jl b/src/flint/fmpq.jl
index 211ea23e8..63663b5e4 100644
--- a/src/flint/fmpq.jl
+++ b/src/flint/fmpq.jl
@@ -96,6 +96,8 @@ Return the sign of $a$ ($-1$, $0$ or $1$) as a fraction.
 """
 sign(a::fmpq) = fmpq(sign(numerator(a)))
 
+sign(::Type{Int}, a::fmpq) = sign(Int, numerator(a))
+
 function abs(a::fmpq)
    z = fmpq()
    ccall((:fmpq_abs, libflint), Nothing, (Ref{fmpq}, Ref{fmpq}), z, a)
diff --git a/test/flint/fmpq-test.jl b/test/flint/fmpq-test.jl
index f27dee0f0..b7e226c32 100644
--- a/test/flint/fmpq-test.jl
+++ b/test/flint/fmpq-test.jl
@@ -118,6 +118,9 @@ end
    @test sign(fmpq(-2, 3)) == -1
    @test sign(fmpq()) == 0
    @test sign(fmpq(1, 7)) == 1
+   @test sign(Int, fmpq(-2, 3)) == -1
+   @test sign(Int, fmpq()) == 0
+   @test sign(Int, fmpq(1, 7)) == 1
 
    @test isone(one(R))