Mark some Tensor extension methods as scoped (#115575)

* Removing extension methods

* Use `this scoped in` so APIs can remain extension methods

---------

Co-authored-by: Tanner Gooding <tagoo@outlook.com>

Author: michaelgsharp

src/libraries/System.Numerics.Tensors/ref/System.Numerics.Tensors.netcore.cs

@@ -469,8 +469,8 @@ public static void BroadcastTo<T>(this System.Numerics.Tensors.Tensor<T> source,
         public static ref readonly System.Numerics.Tensors.TensorSpan<T> RadiansToDegrees<T>(scoped in System.Numerics.Tensors.ReadOnlyTensorSpan<T> x, in System.Numerics.Tensors.TensorSpan<T> destination) where T : System.Numerics.ITrigonometricFunctions<T> { throw null; }
         public static System.Numerics.Tensors.Tensor<T> Reciprocal<T>(in System.Numerics.Tensors.ReadOnlyTensorSpan<T> x) where T : System.Numerics.IFloatingPoint<T> { throw null; }
         public static ref readonly System.Numerics.Tensors.TensorSpan<T> Reciprocal<T>(scoped in System.Numerics.Tensors.ReadOnlyTensorSpan<T> x, in System.Numerics.Tensors.TensorSpan<T> destination) where T : System.Numerics.IFloatingPoint<T> { throw null; }
-        public static System.Numerics.Tensors.ReadOnlyTensorSpan<T> Reshape<T>(this in System.Numerics.Tensors.ReadOnlyTensorSpan<T> tensor, scoped System.ReadOnlySpan<nint> lengths) { throw null; }
-        public static System.Numerics.Tensors.TensorSpan<T> Reshape<T>(this in System.Numerics.Tensors.TensorSpan<T> tensor, scoped System.ReadOnlySpan<nint> lengths) { throw null; }
+        public static System.Numerics.Tensors.ReadOnlyTensorSpan<T> Reshape<T>(this scoped in System.Numerics.Tensors.ReadOnlyTensorSpan<T> tensor, scoped System.ReadOnlySpan<nint> lengths) { throw null; }
+        public static System.Numerics.Tensors.TensorSpan<T> Reshape<T>(this scoped in System.Numerics.Tensors.TensorSpan<T> tensor, scoped System.ReadOnlySpan<nint> lengths) { throw null; }
         public static System.Numerics.Tensors.Tensor<T> Reshape<T>(this System.Numerics.Tensors.Tensor<T> tensor, scoped System.ReadOnlySpan<nint> lengths) { throw null; }
         public static void ResizeTo<T>(scoped in System.Numerics.Tensors.ReadOnlyTensorSpan<T> tensor, in System.Numerics.Tensors.TensorSpan<T> destination) { }
         public static void ResizeTo<T>(scoped in System.Numerics.Tensors.TensorSpan<T> tensor, in System.Numerics.Tensors.TensorSpan<T> destination) { }
@@ -511,11 +511,11 @@ public static void ResizeTo<T>(scoped in System.Numerics.Tensors.Tensor<T> tenso
         public static System.Numerics.Tensors.Tensor<T>[] Split<T>(scoped in System.Numerics.Tensors.ReadOnlyTensorSpan<T> tensor, int splitCount, nint dimension) { throw null; }
         public static System.Numerics.Tensors.Tensor<T> Sqrt<T>(in System.Numerics.Tensors.ReadOnlyTensorSpan<T> x) where T : System.Numerics.IRootFunctions<T> { throw null; }
         public static ref readonly System.Numerics.Tensors.TensorSpan<T> Sqrt<T>(scoped in System.Numerics.Tensors.ReadOnlyTensorSpan<T> x, in System.Numerics.Tensors.TensorSpan<T> destination) where T : System.Numerics.IRootFunctions<T> { throw null; }
-        public static System.Numerics.Tensors.ReadOnlyTensorSpan<T> SqueezeDimension<T>(this in System.Numerics.Tensors.ReadOnlyTensorSpan<T> tensor, int dimension) { throw null; }
-        public static System.Numerics.Tensors.TensorSpan<T> SqueezeDimension<T>(this in System.Numerics.Tensors.TensorSpan<T> tensor, int dimension) { throw null; }
+        public static System.Numerics.Tensors.ReadOnlyTensorSpan<T> SqueezeDimension<T>(this scoped in System.Numerics.Tensors.ReadOnlyTensorSpan<T> tensor, int dimension) { throw null; }
+        public static System.Numerics.Tensors.TensorSpan<T> SqueezeDimension<T>(this scoped in System.Numerics.Tensors.TensorSpan<T> tensor, int dimension) { throw null; }
         public static System.Numerics.Tensors.Tensor<T> SqueezeDimension<T>(this System.Numerics.Tensors.Tensor<T> tensor, int dimension) { throw null; }
-        public static System.Numerics.Tensors.ReadOnlyTensorSpan<T> Squeeze<T>(this in System.Numerics.Tensors.ReadOnlyTensorSpan<T> tensor) { throw null; }
-        public static System.Numerics.Tensors.TensorSpan<T> Squeeze<T>(this in System.Numerics.Tensors.TensorSpan<T> tensor) { throw null; }
+        public static System.Numerics.Tensors.ReadOnlyTensorSpan<T> Squeeze<T>(this scoped in System.Numerics.Tensors.ReadOnlyTensorSpan<T> tensor) { throw null; }
+        public static System.Numerics.Tensors.TensorSpan<T> Squeeze<T>(this scoped in System.Numerics.Tensors.TensorSpan<T> tensor) { throw null; }
         public static System.Numerics.Tensors.Tensor<T> Squeeze<T>(this System.Numerics.Tensors.Tensor<T> tensor) { throw null; }
         public static System.Numerics.Tensors.Tensor<T> StackAlongDimension<T>(int dimension, params scoped System.ReadOnlySpan<System.Numerics.Tensors.Tensor<T>> tensors) { throw null; }
         public static ref readonly System.Numerics.Tensors.TensorSpan<T> StackAlongDimension<T>(scoped System.ReadOnlySpan<System.Numerics.Tensors.Tensor<T>> tensors, in System.Numerics.Tensors.TensorSpan<T> destination, int dimension) { throw null; }
@@ -546,8 +546,8 @@ public static void ResizeTo<T>(scoped in System.Numerics.Tensors.Tensor<T> tenso
         public static bool TryBroadcastTo<T>(this in System.Numerics.Tensors.ReadOnlyTensorSpan<T> tensor, in System.Numerics.Tensors.TensorSpan<T> destination) { throw null; }
         public static bool TryBroadcastTo<T>(this in System.Numerics.Tensors.TensorSpan<T> tensor, in System.Numerics.Tensors.TensorSpan<T> destination) { throw null; }
         public static bool TryBroadcastTo<T>(this System.Numerics.Tensors.Tensor<T> tensor, in System.Numerics.Tensors.TensorSpan<T> destination) { throw null; }
-        public static System.Numerics.Tensors.ReadOnlyTensorSpan<T> Unsqueeze<T>(this in System.Numerics.Tensors.ReadOnlyTensorSpan<T> tensor, int dimension) { throw null; }
-        public static System.Numerics.Tensors.TensorSpan<T> Unsqueeze<T>(this in System.Numerics.Tensors.TensorSpan<T> tensor, int dimension) { throw null; }
+        public static System.Numerics.Tensors.ReadOnlyTensorSpan<T> Unsqueeze<T>(this scoped in System.Numerics.Tensors.ReadOnlyTensorSpan<T> tensor, int dimension) { throw null; }
+        public static System.Numerics.Tensors.TensorSpan<T> Unsqueeze<T>(this scoped in System.Numerics.Tensors.TensorSpan<T> tensor, int dimension) { throw null; }
         public static System.Numerics.Tensors.Tensor<T> Unsqueeze<T>(this System.Numerics.Tensors.Tensor<T> tensor, int dimension) { throw null; }
         public static System.Numerics.Tensors.Tensor<T> Xor<T>(in System.Numerics.Tensors.ReadOnlyTensorSpan<T> x, in System.Numerics.Tensors.ReadOnlyTensorSpan<T> y) where T : System.Numerics.IBitwiseOperators<T, T, T> { throw null; }
         public static ref readonly System.Numerics.Tensors.TensorSpan<T> Xor<T>(scoped in System.Numerics.Tensors.ReadOnlyTensorSpan<T> x, scoped in System.Numerics.Tensors.ReadOnlyTensorSpan<T> y, in System.Numerics.Tensors.TensorSpan<T> destination) where T : System.Numerics.IBitwiseOperators<T, T, T> { throw null; }

src/libraries/System.Numerics.Tensors/src/System/Numerics/Tensors/netcore/Tensor.cs

@@ -1508,7 +1508,7 @@ public static Tensor<T> Reshape<T>(this Tensor<T> tensor, ReadOnlySpan<nint> len
         /// </summary>
         /// <param name="tensor"><see cref="TensorSpan{T}"/> you want to reshape.</param>
         /// <param name="lengths"><see cref="ReadOnlySpan{T}"/> with the new dimensions.</param>
-        public static TensorSpan<T> Reshape<T>(in this TensorSpan<T> tensor, scoped ReadOnlySpan<nint> lengths)
+        public static TensorSpan<T> Reshape<T>(this scoped in TensorSpan<T> tensor, scoped ReadOnlySpan<nint> lengths)
         {
             if (tensor.Lengths.SequenceEqual(lengths))
                 return tensor;
@@ -1584,7 +1584,7 @@ public static TensorSpan<T> Reshape<T>(in this TensorSpan<T> tensor, scoped Read
         /// </summary>
         /// <param name="tensor"><see cref="TensorSpan{T}"/> you want to reshape.</param>
         /// <param name="lengths"><see cref="ReadOnlySpan{T}"/> with the new dimensions.</param>
-        public static ReadOnlyTensorSpan<T> Reshape<T>(in this ReadOnlyTensorSpan<T> tensor, scoped ReadOnlySpan<nint> lengths)
+        public static ReadOnlyTensorSpan<T> Reshape<T>(this scoped in ReadOnlyTensorSpan<T> tensor, scoped ReadOnlySpan<nint> lengths)
         {
             if (tensor.Lengths.SequenceEqual(lengths))
                 return tensor;
@@ -1983,7 +1983,7 @@ public static Tensor<T> SqueezeDimension<T>(this Tensor<T> tensor, int dimension
         /// Removes all dimensions of length one from the <paramref name="tensor"/>.
         /// </summary>
         /// <param name="tensor">The <see cref="TensorSpan{T}"/> to remove all dimensions of length 1.</param>
-        public static TensorSpan<T> Squeeze<T>(in this TensorSpan<T> tensor)
+        public static TensorSpan<T> Squeeze<T>(this scoped in TensorSpan<T> tensor)
         {
             return SqueezeDimension(tensor, -1);
         }
@@ -1994,7 +1994,7 @@ public static TensorSpan<T> Squeeze<T>(in this TensorSpan<T> tensor)
         /// </summary>
         /// <param name="tensor">The <see cref="TensorSpan{T}"/> to remove dimension of length 1.</param>
         /// <param name="dimension">The dimension to remove.</param>
-        public static TensorSpan<T> SqueezeDimension<T>(in this TensorSpan<T> tensor, int dimension)
+        public static TensorSpan<T> SqueezeDimension<T>(this scoped in TensorSpan<T> tensor, int dimension)
         {
             if (dimension >= tensor.Rank || dimension < -1)
                 ThrowHelper.ThrowArgument_AxisLargerThanRank();
@@ -2065,7 +2065,7 @@ public static TensorSpan<T> SqueezeDimension<T>(in this TensorSpan<T> tensor, in
         /// Removes all dimensions of length one from the <paramref name="tensor"/>.
         /// </summary>
         /// <param name="tensor">The <see cref="ReadOnlyTensorSpan{T}"/> to remove all dimensions of length 1.</param>
-        public static ReadOnlyTensorSpan<T> Squeeze<T>(in this ReadOnlyTensorSpan<T> tensor)
+        public static ReadOnlyTensorSpan<T> Squeeze<T>(this scoped in ReadOnlyTensorSpan<T> tensor)
         {
             return SqueezeDimension(tensor, -1);
         }
@@ -2076,7 +2076,7 @@ public static ReadOnlyTensorSpan<T> Squeeze<T>(in this ReadOnlyTensorSpan<T> ten
         /// </summary>
         /// <param name="tensor">The <see cref="ReadOnlyTensorSpan{T}"/> to remove dimension of length 1.</param>
         /// <param name="dimension">The dimension to remove.</param>
-        public static ReadOnlyTensorSpan<T> SqueezeDimension<T>(in this ReadOnlyTensorSpan<T> tensor, int dimension)
+        public static ReadOnlyTensorSpan<T> SqueezeDimension<T>(this scoped in ReadOnlyTensorSpan<T> tensor, int dimension)
         {
             if (dimension >= tensor.Rank || dimension < -1)
                 ThrowHelper.ThrowArgument_AxisLargerThanRank();
@@ -2467,7 +2467,7 @@ public static Tensor<T> Unsqueeze<T>(this Tensor<T> tensor, int dimension)
         /// </summary>
         /// <param name="tensor">The <see cref="TensorSpan{T}"/> to add a dimension of length 1.</param>
         /// <param name="dimension">The index of the dimension to add.</param>
-        public static TensorSpan<T> Unsqueeze<T>(in this TensorSpan<T> tensor, int dimension)
+        public static TensorSpan<T> Unsqueeze<T>(this scoped in TensorSpan<T> tensor, int dimension)
         {
             if (dimension > tensor.Lengths.Length)
                 ThrowHelper.ThrowArgument_AxisLargerThanRank();
@@ -2504,7 +2504,7 @@ public static TensorSpan<T> Unsqueeze<T>(in this TensorSpan<T> tensor, int dimen
         /// </summary>
         /// <param name="tensor">The <see cref="ReadOnlyTensorSpan{T}"/> to add a dimension of length 1.</param>
         /// <param name="dimension">The index of the dimension to add.</param>
-        public static ReadOnlyTensorSpan<T> Unsqueeze<T>(in this ReadOnlyTensorSpan<T> tensor, int dimension)
+        public static ReadOnlyTensorSpan<T> Unsqueeze<T>(this scoped in ReadOnlyTensorSpan<T> tensor, int dimension)
         {
             if (dimension > tensor.Lengths.Length)
                 ThrowHelper.ThrowArgument_AxisLargerThanRank();