Add broadcast for same-length tuples on 0.5

JuliaLang · Feb 12, 2017 · e6200c0 · e6200c0
1 parent 58c52dc
commit e6200c0
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Showing 2 changed files with 12 additions and 1 deletion.
diff --git a/src/Compat.jl b/src/Compat.jl
@@ -1680,6 +1680,11 @@ if VERSION < v"0.5.0-dev+4677"
     Base.cholfact!(A::HermOrSym, T::Type) = cholfact!(A.data, Symbol(A.uplo), T)
 end
 
+# broadcast over same length tuples, from julia#16986
+if v"0.5.0-dev+4002" ≤ VERSION < v"0.6.0-dev.693"
+    Base.Broadcast.broadcast{N}(f, t::NTuple{N}, ts::Vararg{NTuple{N}}) = map(f, t, ts...)
+end
+
 # julia#18510
 if VERSION < v"0.6.0-dev.826"
     _Nullable_field2(x) = !x

diff --git a/test/runtests.jl b/test/runtests.jl
@@ -1220,6 +1220,12 @@ f15032(a) = @compat sin.(a)
 @inferred f15032([1, 2, 3])
 @inferred f15032([1.0, 2.0, 3.0])
 
+# Issue #291
+if VERSION ≥ v"0.5.0-dev+4002"
+    @test (1, 2) == @compat abs.((1, -2))
+    @test broadcast(+, (1.0, 1.0), (0, -2.0)) == (1.0,-1.0)
+end
+
 if VERSION ≥ v"0.4.0-dev+3732"
     @test Symbol("foo") === :foo
     @test Symbol("foo", "bar") === :foobar
@@ -1751,4 +1757,4 @@ end
 let x = [1,2,3]
     @dotcompat f(x) = x^2
     @test f(x) == [1,4,9]
-end
+end