static bool ContainsVector <TSource, TResult, TVectorSelector, TSelector>(this ReadOnlySpan <TSource> source, TResult value, TVectorSelector vectorSelector, TSelector selector)
where TVectorSelector : struct, IFunction <Vector <TSource>, Vector <TResult> >
where TSelector : struct, IFunction <TSource, TResult>
where TSource : struct
where TResult : struct
{
if (source.Length is 0)
{
return(false);
}
if (Vector.IsHardwareAccelerated && source.Length > Vector <TSource> .Count * 2)
{
var vectors = MemoryMarshal.Cast <TSource, Vector <TSource> >(source);
var vectorValue = new Vector <TResult>(value);
foreach (var vector in vectors)
{
if (Vector.EqualsAny(vectorSelector.Invoke(vector), vectorValue))
{
return(true);
}
}
for (var index = source.Length - (source.Length % Vector <TSource> .Count); index < source.Length; index++)
{
var item = source[index];
if (GenericsOperator.Equals(selector.Invoke(item), value))
{
return(true);
}
}
}
else
{
foreach (var item in source)
{
if (GenericsOperator.Equals(selector.Invoke(item), value))
{
return(true);
}
}
}
return(false);
}
public static bool ContainsVector <TSource>(this ReadOnlySpan <TSource> source, TSource value)
where TSource : struct
{
if (source.Length is 0)
{
return(false);
}
if (Vector.IsHardwareAccelerated && source.Length > Vector <TSource> .Count * 2)
{
var vectors = MemoryMarshal.Cast <TSource, Vector <TSource> >(source);
var vectorValue = new Vector <TSource>(value);
foreach (var vector in vectors)
{
if (Vector.EqualsAny(vector, vectorValue))
{
return(true);
}
}
for (var index = source.Length - (source.Length % Vector <TSource> .Count); index < source.Length; index++)
{
var item = source[index];
if (GenericsOperator.Equals(item, value))
{
return(true);
}
}
}
else
{
foreach (var item in source)
{
if (GenericsOperator.Equals(item, value))
{
return(true);
}
}
}
return(false);
}