Added maximum(abs, x).

chriselrod · Jul 20, 2020 · 14bba2f · 14bba2f · chriselrod · Jul 21, 2020
1 parent 590c398
commit 14bba2f
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Showing 3 changed files with 19 additions and 0 deletions.
diff --git a/src/miscellaneous.jl b/src/miscellaneous.jl
@@ -0,0 +1,9 @@
+
+function maximum(::typeof(abs), A::AbstractStrideArray{S,T}) where {S,T}
+    s = typemin(T)
+    @avx for i ∈ eachindex(A)
+        s = max(s, abs(A[i]))
+    end
+    s
+end
+
diff --git a/test/misc.jl b/test/misc.jl
@@ -0,0 +1,9 @@
+
+
+@testset "Miscellaneous" begin
+    x = @FixedSize rand(127);
+    @test maximum(abs, x) == maximum(abs, Array(x))
+    y = @FixedSize rand(3);
+    @test maximum(abs, y) == maximum(abs, Array(y))
+end
+
diff --git a/test/runtests.jl b/test/runtests.jl
@@ -11,4 +11,5 @@ using Test
     @test isempty(detect_unbound_args(PaddedMatrices))
     @time include("matmul_tests.jl")
     @time include("broadcast_tests.jl")
+    @time include("misc.jl")
 end