using System;

using NumSharp.Backends;

using NumSharp.Backends.Unmanaged;

namespace NumSharp

{

public static partial class np

{

/// <summary>

/// Copies values from one array to another, broadcasting as necessary.

/// </summary>

/// <param name="dst">The array into which values are copied.</param>

/// <param name="src">The array from which values are copied.</param>

/// <remarks>https://docs.scipy.org/doc/numpy/reference/generated/numpy.copyto.html</remarks>

public static void copyto(NDArray dst, NDArray src) //todo! add where argument

{

if (dst == null)

throw new ArgumentNullException(nameof(dst));

if (src == null)

throw new ArgumentNullException(nameof(src));

//try to perform memory copy

if (dst.Shape.IsContiguous && src.Shape.IsContiguous && dst.dtype == src.dtype && src.size == dst.size)

{

unsafe

{

src.CopyTo(dst.Address);

return;

}

}

//perform manual copy with automatic casting

MultiIterator.Assign(dst.Storage, src.Storage);

}

}

}