/// <summary>
/// Add to the destination by scale and source into a new result.
/// </summary>
/// <param name="scale">The scale to add by.</param>
/// <param name="source">The source values.</param>
/// <param name="destination">The destination values.</param>
/// <param name="result">A new collection of values to be returned.</param>
/// <param name="count">The count of items.</param>
public static void AddScaleCopy(float scale, ReadOnlySpan <float> source, ReadOnlySpan <float> destination, Span <float> result, int count)
{
Contracts.AssertNonEmpty(source);
Contracts.AssertNonEmpty(destination);
Contracts.AssertNonEmpty(result);
Contracts.Assert(count > 0);
Contracts.Assert(count <= source.Length);
Contracts.Assert(count <= destination.Length);
Contracts.Assert(count <= result.Length);
if (Avx.IsSupported)
{
AvxIntrinsics.AddScaleCopyU(scale, source, destination, result, count);
}
else if (Sse.IsSupported)
{
SseIntrinsics.AddScaleCopyU(scale, source, destination, result, count);
}
else
{
for (int i = 0; i < count; i++)
{
result[i] = scale * source[i] + destination[i];
}
}
}
public void ManagedAddScaleCopyUPerf()
{
SseIntrinsics.AddScaleCopyU(DEFAULT_SCALE, new Span <float>(src, 0, LEN), new Span <float>(dst, 0, LEN), new Span <float>(result, 0, LEN));
}
public void AddScaleCopyU() => SseIntrinsics.AddScaleCopyU(DEFAULT_SCALE, new Span <float>(src, 0, LEN), new Span <float>(dst, 0, LEN), new Span <float>(result, 0, LEN));
public void AddScaleCopyU() => SseIntrinsics.AddScaleCopyU(DefaultScale, src, dst, result, Length);
public void AddScaleCopyU() => SseIntrinsics.AddScaleCopyU(DefaultScale, new Span <float>(src, 0, Length), new Span <float>(dst, 0, Length), new Span <float>(result, 0, Length));