public void DynamicMathTest()
{
Assert.AreEqual(DynamicMath.Add(0.5, 4), 4.5);
Assert.AreEqual(DynamicMath.Add(0.5m, 4), 4.5m);
Assert.AreEqual(DynamicMath.Add(0.5f, 4), 4.5f);
Assert.AreEqual(DynamicMath.Add(2, 3), (int)5);
Assert.AreEqual(DynamicMath.Subtract(0.5, 4), -3.5);
Assert.AreEqual(DynamicMath.Subtract(0.5m, 4), -3.5m);
Assert.AreEqual(DynamicMath.Subtract(0.5f, 4), -3.5f);
Assert.AreEqual(DynamicMath.Subtract(2, 3), (int)-1);
Assert.AreEqual(DynamicMath.Multiply(0.5, 4), 2.0);
Assert.AreEqual(DynamicMath.Multiply(0.5m, 4), 2.0m);
Assert.AreEqual(DynamicMath.Multiply(0.5f, 4), 2.0f);
Assert.AreEqual(DynamicMath.Multiply(2, 3), (int)6);
Assert.AreEqual(DynamicMath.Divide(6.0, 4), 1.5);
Assert.AreEqual(DynamicMath.Divide(6.0m, 4), 1.5m);
Assert.AreEqual(DynamicMath.Divide(6.0f, 4), 1.5f);
Assert.AreEqual(DynamicMath.Divide(6, 3), (int)2);
}
/// <summary>
/// The actual cell-by-cell operations
/// </summary>
/// <param name="data"></param>
/// <param name="id"></param>
/// <returns></returns>
protected override void CellOp(List <T[]> data, List <T[]> outputs, int id)
{
T val = outNodataVals[0];
// This is the raster and scalar case
if (_scalar)
{
if (!data[0][id].Equals(inNodataVals[0]))
{
switch (_type)
{
// Choose your math operation
case RasterOperators.MathOpType.Addition:
val = DynamicMath.Add(data[0][id], _operand);
break;
case RasterOperators.MathOpType.Subtraction:
val = DynamicMath.Subtract(data[0][id], _operand);
break;
case RasterOperators.MathOpType.Multipication:
val = DynamicMath.Multiply(data[0][id], _operand);
break;
case RasterOperators.MathOpType.Division:
val = DynamicMath.Divide(data[0][id], _operand);
break;
}
}
}
// This is the two raster case
else
{
bool masked = false;
// Pure vector method. (This is the slow way)
if (_hasVectorPolymask)
{
decimal[] ptcoords = ChunkExtent.Id2XY(id);
List <long> shapes = _polymask.ShapesContainPoint((double)ptcoords[0], (double)ptcoords[1], _shapemask);
if (shapes.Count == 0)
{
masked = true;
}
}
// Rasterized vector method
else if (_hasRasterizedPolymask && data.Count == 3 && data[2][id].Equals(inNodataVals[2]))
{
masked = true;
}
if (!data[0][id].Equals(inNodataVals[0]) && !data[1][id].Equals(inNodataVals[1]) && !masked)
{
switch (_type)
{
// Choose your math operation
case RasterOperators.MathOpType.Addition:
val = DynamicMath.Add(data[0][id], data[1][id]);
break;
case RasterOperators.MathOpType.Subtraction:
val = DynamicMath.Subtract(data[0][id], data[1][id]);
break;
case RasterOperators.MathOpType.Multipication:
val = DynamicMath.Multiply(data[0][id], data[1][id]);
break;
case RasterOperators.MathOpType.Division:
val = DynamicMath.Divide(data[0][id], data[1][id]);
break;
}
}
}
outputs[0][id] = val;
}
public object Evaluate(object left, object right)
{
return(DynamicMath.Subtract(left, right));
}