public void Test_ParallelHelper_ForEach_Ref()
{
foreach (int count in TestForCounts)
{
using UnmanagedSpanOwner <int> data = CreateRandomData(count);
using UnmanagedSpanOwner <int> copy = new UnmanagedSpanOwner <int>(count);
data.GetSpan().CopyTo(copy.GetSpan());
foreach (ref int n in copy.GetSpan())
{
n = unchecked (n * 397);
}
ParallelHelper.ForEach(data.Memory, new Multiplier(397));
Span <int> dataSpan = data.GetSpan();
Span <int> copySpan = copy.GetSpan();
for (int i = 0; i < data.Length; i++)
{
if (dataSpan[i] != copySpan[i])
{
Assert.Fail($"Item #{i} was not a match, was {dataSpan[i]} instead of {copySpan[i]}");
}
}
}
}
public unsafe void Test_ParallelHelper_ForEach_In()
{
foreach (int count in TestForCounts)
{
using UnmanagedSpanOwner <int> data = CreateRandomData(count);
int sum = 0;
ParallelHelper.ForEach <int, Summer>(data.Memory, new Summer(&sum));
int expected = 0;
foreach (int n in data.GetSpan())
{
expected += n;
}
Assert.AreEqual(sum, expected, $"The sum doesn't match, was {sum} instead of {expected}");
}
}
public unsafe void Test_ParallelHelper_For2DWithRanges()
{
foreach (var size in TestFor2DSizes)
{
using UnmanagedSpanOwner <int> data = new UnmanagedSpanOwner <int>(size.Height * size.Width);
data.GetSpan().Clear();
ParallelHelper.For2D(..size.Height, ..size.Width, new Assigner2D(size.Height, size.Width, data.Ptr));
for (int i = 0; i < size.Height; i++)
{
for (int j = 0; j < size.Width; j++)
{
if (data.Ptr[(i * size.Width) + j] != unchecked (i * 397 ^ j))
{
Assert.Fail($"Invalid item at position [{i},{j}], value was {data.Ptr[(i * size.Width) + j]} instead of {unchecked(i * 397 ^ j)}");
}
}
}
}
}
