Hastlayer-SDK

using System.Linq;

namespace System;

internal static class ArrayExtensions
{
    /// <summary>
    /// Padding the input array as necessary to have a multiple of MaxDegreeOfParallelism. This is needed because at the
    /// moment Hastlayer only supports a fixed degree of parallelism. This is the simplest way to overcome this.
    /// </summary>
    public static T[] PadToMultipleOf<T>(this T[] arrayToPad, int multipleOf)
    {
        var remainderToMaxDegreeOfParallelism = arrayToPad.Length % multipleOf;
        if (remainderToMaxDegreeOfParallelism != 0)
        {
            return arrayToPad
                .Concat(new T[multipleOf - remainderToMaxDegreeOfParallelism])
                .ToArray();
        }

        return arrayToPad;
    }

    public static T[] CutToLength<T>(this T[] arrayToCut, int length)
    {
        if (arrayToCut.Length == length) return arrayToCut;
        return arrayToCut.Take(length).ToArray();
    }
}