public static uint AssignmentCost(Matrix <uint> cost, IEnumerable <long> assignment)
{
if (cost == null)
{
throw new ArgumentNullException(nameof(cost));
}
if (cost.Rows != cost.Columns)
{
throw new ArgumentException($"{cost.Rows} must equal to {cost.Columns}");
}
using (var vector = new VectorOfLong(assignment))
{
uint result;
var type = cost.MatrixElementType.ToNativeMatrixElementType();
var ret = Native.assignment_cost(
type,
cost.NativePtr,
vector.NativePtr,
out result);
if (ret == Native.ErrorType.MatrixElementTypeNotSupport)
{
throw new ArgumentException($"{cost.MatrixElementType} is not supported.");
}
return(result);
}
}
public static IEnumerable <long> MaxCostAssignment <T>(Matrix <T> cost)
where T : struct
{
if (cost == null)
{
throw new ArgumentNullException(nameof(cost));
}
if (cost.Rows != cost.Columns)
{
throw new ArgumentException($"{cost.Rows} must equal to {cost.Columns}");
}
using (var vector = new VectorOfLong())
{
var type = cost.MatrixElementType.ToNativeMatrixElementType();
var ret = Native.max_cost_assignment(
type,
cost.NativePtr,
vector.NativePtr);
if (ret == Native.ErrorType.MatrixElementTypeNotSupport)
{
throw new ArgumentException($"{cost.MatrixElementType} is not supported.");
}
return(vector.ToArray());
}
}
public void CreateWithSize()
{
const int size = 10;
var vector = new VectorOfLong(size);
this.DisposeAndCheckDisposedState(vector);
}
public void CreateWithCollection()
{
const int size = 10;
var source = Enumerable.Range(0, size).Select(s => (long)s).ToArray();
var vector = new VectorOfLong(source);
Assert.AreEqual(vector.Size, size);
var ret = vector.ToArray();
for (var i = 0; i < size; i++)
{
Assert.AreEqual(ret[i], i);
}
this.DisposeAndCheckDisposedState(vector);
}
public void Create()
{
var vector = new VectorOfLong();
this.DisposeAndCheckDisposedState(vector);
}