using System;

using System.Linq;

using System.Threading;

using System.Threading.Tasks;

using System.Collections.Generic;

using System.Diagnostics;

using NumSharp.Backends;

using NumSharp.Generic;

using NumSharp.Utilities;

namespace NumSharp

{

public static partial class np

{

/// <summary>

/// Return the indices of the elements that are non-zero.

/// Returns a tuple of arrays, one for each dimension of a, containing the indices of the non-zero elements in that dimension.The values in a are always tested and returned in row-major, C-style order.

/// To group the indices by element, rather than dimension, use argwhere, which returns a row for each non-zero element.

/// </summary>

/// <param name="a">Input array.</param>

/// <returns>Indices of elements that are non-zero.</returns>

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

public static NDArray<int>[] nonzero(in NDArray a)

=> a.TensorEngine.NonZero(a);

}

}