Add broadcast for same-length tuples on 0.5 (#324)

Fixes #291
JuliaLang · Feb 12, 2017 · b425216 · b425216
1 parent 1edb00f
commit b425216
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Showing 2 changed files with 12 additions and 1 deletion.
diff --git a/src/Compat.jl b/src/Compat.jl
@@ -1725,6 +1725,11 @@ 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
@@ -1762,4 +1768,4 @@ end
 @compat primitive type Primitive20418{T} <: Ref{T} 16 end
 @test !Compat.TypeUtils.isabstract(Primitive20418)
 @test isbits(Primitive20418{Int})
-@test sizeof(Primitive20418{Int}) == 2
+@test sizeof(Primitive20418{Int}) == 2