From 39610cd3b63e412258add46377039bfa0bd50575 Mon Sep 17 00:00:00 2001
From: Stephen Toub <stoub@microsoft.com>
Date: Thu, 1 Feb 2024 21:10:26 -0500
Subject: [PATCH] Enable Sigmoid vectorization for double

Now that ExpOperator is vectorized for double, we can enable Sigmoid
---
 .../System/Numerics/Tensors/netcore/TensorPrimitives.netcore.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/libraries/System.Numerics.Tensors/src/System/Numerics/Tensors/netcore/TensorPrimitives.netcore.cs b/src/libraries/System.Numerics.Tensors/src/System/Numerics/Tensors/netcore/TensorPrimitives.netcore.cs
index adcf52563bebc3..6eeb3b8f0b7dcf 100644
--- a/src/libraries/System.Numerics.Tensors/src/System/Numerics/Tensors/netcore/TensorPrimitives.netcore.cs
+++ b/src/libraries/System.Numerics.Tensors/src/System/Numerics/Tensors/netcore/TensorPrimitives.netcore.cs
@@ -14722,7 +14722,7 @@ private static Vector512<T> ElementWiseSelect<T>(Vector512<T> mask, Vector512<T>
         /// <summary>1 / (1 + T.Exp(-x))</summary>
         internal readonly struct SigmoidOperator<T> : IUnaryOperator<T, T> where T : IExponentialFunctions<T>
         {
-            public static bool Vectorizable => typeof(T) == typeof(float);
+            public static bool Vectorizable => ExpOperator<T>.Vectorizable;
             public static T Invoke(T x) => T.One / (T.One + T.Exp(-x));
             public static Vector128<T> Invoke(Vector128<T> x) => Vector128.Create(T.One) / (Vector128.Create(T.One) + ExpOperator<T>.Invoke(-x));
             public static Vector256<T> Invoke(Vector256<T> x) => Vector256.Create(T.One) / (Vector256.Create(T.One) + ExpOperator<T>.Invoke(-x));