private ComputationResult Sum(ComputationResult computationResult)
{
if (computationResult.IsVectorResult)
{
return(new ComputationResult(VectorHelper.Sum(computationResult.VectorData.GetFlatData(), 0, computationResult.VectorData.GetFlatData().Length)));
}
else if (computationResult.IsOdResult)
{
float total = 0.0f;
var data = computationResult.OdData.GetFlatData();
var syncTarget = new object();
System.Threading.Tasks.Parallel.For(0, data.Length,
() => 0.0f,
(int i, ParallelLoopState _, float localSum) =>
{
return(VectorHelper.Sum(data[i], 0, data[i].Length) + localSum);
},
(float localTotal) =>
{
lock (syncTarget)
{
total += localTotal;
}
});
return(new ComputationResult(total));
}
return(new ComputationResult("Unknown data type to sum!"));
}
public ComputationResult(ComputationResult res, VectorDirection direction)
{
OdData = res.OdData;
LiteralValue = res.LiteralValue;
VectorData = res.VectorData;
Direction = direction;
}
private ComputationResult TransposeOd(ComputationResult computationResult)
{
var ret = computationResult.Accumulator ? computationResult.OdData : computationResult.OdData.CreateSimilarArray <float>();
var flatRet = ret.GetFlatData();
var flatOrigin = computationResult.OdData.GetFlatData();
for (int i = 0; i < flatOrigin.Length; i++)
{
for (int j = i + 1; j < flatOrigin[i].Length; j++)
{
var temp = flatOrigin[i][j];
flatRet[i][j] = flatOrigin[j][i];
flatRet[j][i] = temp;
}
}
// if this is a new matrix copy the diagonal
if (!computationResult.Accumulator)
{
for (int i = 0; i < flatRet.Length; i++)
{
flatRet[i][i] = flatOrigin[i][i];
}
}
return(new ComputationResult(ret, true));
}
private ComputationResult Matrix(ComputationResult computationResult)
{
var vectorData = computationResult.VectorData;
var newMatrix = vectorData.CreateSquareTwinArray <float>();
var flatVector = vectorData.GetFlatData();
var flatMatrix = newMatrix.GetFlatData();
switch (computationResult.Direction)
{
case ComputationResult.VectorDirection.Unassigned:
return(new ComputationResult("Matrix was executed with an unassigned orientation vector!"));
case ComputationResult.VectorDirection.Vertical:
// each row is the single value
for (int i = 0; i < flatMatrix.Length; i++)
{
VectorHelper.Set(flatMatrix[i], flatVector[i]);
}
break;
case ComputationResult.VectorDirection.Horizontal:
// each column is the single value
for (int i = 0; i < flatMatrix.Length; i++)
{
Array.Copy(flatVector, flatMatrix[i], flatVector.Length);
}
break;
}
return(new ComputationResult(newMatrix, true));
}
private ComputationResult Length(ComputationResult computationResult)
{
if (computationResult.IsOdResult)
{
return(new ComputationResult(computationResult.OdData.Count));
}
if (computationResult.IsVectorResult)
{
return(new ComputationResult(computationResult.VectorData.Count));
}
return(new ComputationResult("An unknown data type was processed through Length!"));
}
private ComputationResult SumRows(ComputationResult computationResult)
{
var data = computationResult.OdData;
var ret = new SparseArray <float>(data.Indexes);
var flatRet = ret.GetFlatData();
var flatData = data.GetFlatData();
System.Threading.Tasks.Parallel.For(0, flatData.Length, (int i) =>
{
flatRet[i] = VectorHelper.Sum(flatData[i], 0, flatData[i].Length);
});
return(new ComputationResult(ret, true, ComputationResult.VectorDirection.Vertical));
}
private ComputationResult AvgColumns(ComputationResult computationResult)
{
var data = computationResult.OdData;
var ret = new SparseArray <float>(data.Indexes);
var flatRet = ret.GetFlatData();
var flatData = data.GetFlatData();
System.Threading.Tasks.Parallel.For(0, flatData.Length, (int i) =>
{
VectorHelper.Add(flatRet, 0, flatRet, 0, flatData[i], 0, flatData[i].Length);
});
VectorHelper.Divide(flatRet, flatRet, flatData.Length);
return(new ComputationResult(ret, true, ComputationResult.VectorDirection.Horizontal));
}
private ComputationResult Evaluate(ComputationResult mulLhs, ComputationResult mulRhs, ComputationResult add)
{
if (add.IsValue)
{
return(EvaluateAddIsValue(mulLhs, mulRhs, add));
}
else if (add.IsVectorResult)
{
return(EvaluateAddIsVector(mulLhs, mulRhs, add));
}
else
{
return(EvaluateAddIsMatrix(mulLhs, mulRhs, add));
}
}
private ComputationResult LengthRows(ComputationResult computationResult)
{
if (computationResult.IsOdResult)
{
var data = computationResult.OdData;
var ret = new SparseArray <float>(data.Indexes);
var flatRet = ret.GetFlatData();
var flatData = data.GetFlatData();
for (int i = 0; i < flatData.Length; i++)
{
flatRet[i] = flatData[i].Length;
}
return(new ComputationResult(ret, true, ComputationResult.VectorDirection.Vertical));
}
return(new ComputationResult("An unknown data type was processed through LengthRows!"));
}
private ComputationResult Avg(ComputationResult computationResult)
{
if (computationResult.IsVectorResult)
{
var flat = computationResult.VectorData.GetFlatData();
return(new ComputationResult(VectorHelper.Sum(flat, 0, flat.Length) / flat.Length));
}
else
{
var flat = computationResult.OdData.GetFlatData();
var total = 0.0f;
var count = 0;
for (int i = 0; i < flat.Length; i++)
{
total += VectorHelper.Sum(flat[i], 0, flat[i].Length);
count += flat[i].Length;
}
return(new ComputationResult(total / count));
}
}
private ComputationResult Abs(ComputationResult computationResult)
{
if (computationResult.IsValue)
{
return(new ComputationResult(Math.Abs(computationResult.LiteralValue)));
}
else if (computationResult.IsVectorResult)
{
var retVector = computationResult.Accumulator ? computationResult.VectorData : computationResult.VectorData.CreateSimilarArray <float>();
var flat = retVector.GetFlatData();
VectorHelper.Abs(flat, computationResult.VectorData.GetFlatData());
return(new ComputationResult(retVector, true));
}
else
{
var retMatrix = computationResult.Accumulator ? computationResult.OdData : computationResult.OdData.CreateSimilarArray <float>();
var flat = retMatrix.GetFlatData();
VectorHelper.Abs(flat, computationResult.OdData.GetFlatData());
return(new ComputationResult(retMatrix, true));
}
}
private ComputationResult IdentityMatrix(ComputationResult computationResult)
{
SparseTwinIndex <float> ret;
if (computationResult.IsVectorResult)
{
var vector = computationResult.VectorData;
ret = vector.CreateSquareTwinArray <float>();
}
else
{
var matrix = computationResult.OdData;
ret = matrix.CreateSimilarArray <float>();
}
var flatRet = ret.GetFlatData();
for (int i = 0; i < flatRet.Length; i++)
{
flatRet[i][i] = 1.0f;
}
return(new ComputationResult(ret, true));
}
private ComputationResult LengthColumns(ComputationResult computationResult)
{
if (computationResult.IsOdResult)
{
var data = computationResult.OdData;
var ret = new SparseArray <float>(data.Indexes);
var flatRet = ret.GetFlatData();
var flatData = data.GetFlatData();
System.Threading.Tasks.Parallel.For(0, flatData.Length, (int i) =>
{
int temp = 0;
for (int j = 0; j < flatData.Length; j++)
{
if (flatData[j].Length > i)
{
temp++;
}
}
flatRet[i] = temp;
});
return(new ComputationResult(ret, true, ComputationResult.VectorDirection.Horizontal));
}
return(new ComputationResult("An unknown data type was processed through LengthColumns!"));
}
private ComputationResult EvaluateAddIsVector(ComputationResult lhs, ComputationResult rhs, ComputationResult add)
{
// Test the simple case of this really just being an add with a constant multiply
if (lhs.IsValue && rhs.IsValue)
{
var retVector = add.Accumulator ? add.VectorData : add.VectorData.CreateSimilarArray <float>();
VectorHelper.Add(retVector.GetFlatData(), add.VectorData.GetFlatData(), lhs.LiteralValue * rhs.LiteralValue);
return(new ComputationResult(retVector, true, add.Direction));
}
if (lhs.IsOdResult || rhs.IsOdResult)
{
if (lhs.IsVectorResult && lhs.Direction == ComputationResult.VectorDirection.Unassigned)
{
return(new ComputationResult("Unable to multiply vector without directionality starting at position " + MulLhs.Start + "!"));
}
if (rhs.IsVectorResult && lhs.Direction == ComputationResult.VectorDirection.Unassigned)
{
return(new ComputationResult("Unable to multiply vector without directionality starting at position " + MulRhs.Start + "!"));
}
if (add.Direction == ComputationResult.VectorDirection.Unassigned)
{
return(new ComputationResult("Unable to add vector without directionality starting at position " + Add.Start + "!"));
}
// if the lhs is a value just swap the two around
if (!lhs.IsOdResult)
{
Swap(ref lhs, ref rhs);
}
//LHS is a matrix
if (rhs.IsOdResult)
{
var retMatrix = rhs.Accumulator ? rhs.OdData :
(lhs.Accumulator ? lhs.OdData : lhs.OdData.CreateSimilarArray <float>());
if (add.Direction == ComputationResult.VectorDirection.Vertical)
{
VectorHelper.FusedMultiplyAddVerticalAdd(retMatrix.GetFlatData(), lhs.OdData.GetFlatData(), rhs.OdData.GetFlatData(), add.VectorData.GetFlatData());
}
else
{
VectorHelper.FusedMultiplyAddHorizontalAdd(retMatrix.GetFlatData(), lhs.OdData.GetFlatData(), rhs.OdData.GetFlatData(), add.VectorData.GetFlatData());
}
return(new ComputationResult(retMatrix, true));
}
else if (rhs.IsVectorResult)
{
var retMatrix = lhs.Accumulator ? lhs.OdData : lhs.OdData.CreateSimilarArray <float>();
if (rhs.Direction == ComputationResult.VectorDirection.Vertical)
{
if (add.Direction == ComputationResult.VectorDirection.Vertical)
{
VectorHelper.FusedMultiplyAddVerticalRhsVerticalAdd(retMatrix.GetFlatData(), lhs.OdData.GetFlatData(), rhs.VectorData.GetFlatData(), add.VectorData.GetFlatData());
}
else
{
VectorHelper.FusedMultiplyAddVerticalRhsHorizontalAdd(retMatrix.GetFlatData(), lhs.OdData.GetFlatData(), rhs.VectorData.GetFlatData(), add.VectorData.GetFlatData());
}
}
else
{
if (add.Direction == ComputationResult.VectorDirection.Vertical)
{
VectorHelper.FusedMultiplyAddHorizontalRhsVerticalAdd(retMatrix.GetFlatData(), lhs.OdData.GetFlatData(), rhs.VectorData.GetFlatData(), add.VectorData.GetFlatData());
}
else
{
VectorHelper.FusedMultiplyAddHorizontalRhsHorizontalAdd(retMatrix.GetFlatData(), lhs.OdData.GetFlatData(), rhs.VectorData.GetFlatData(), add.VectorData.GetFlatData());
}
}
return(new ComputationResult(retMatrix, true));
}
else
{
//RHS is a scalar
var retMatrix = lhs.Accumulator ? lhs.OdData : lhs.OdData.CreateSimilarArray <float>();
if (add.Direction == ComputationResult.VectorDirection.Vertical)
{
VectorHelper.FusedMultiplyAddVerticalAdd(retMatrix.GetFlatData(), lhs.OdData.GetFlatData(), rhs.LiteralValue, add.VectorData.GetFlatData());
}
else
{
VectorHelper.FusedMultiplyAddHorizontalAdd(retMatrix.GetFlatData(), lhs.OdData.GetFlatData(), rhs.LiteralValue, add.VectorData.GetFlatData());
}
return(new ComputationResult(retMatrix, true));
}
}
// vector cases
else
{
// if the lhs is a value just swap the two around
if (lhs.IsValue)
{
Swap(ref lhs, ref rhs);
}
// vector * vector + vector
if (rhs.IsVectorResult)
{
var retVector = add.Accumulator ? add.VectorData :
(rhs.Accumulator ? rhs.VectorData :
(lhs.Accumulator ? lhs.VectorData : lhs.VectorData.CreateSimilarArray <float>()));
VectorHelper.FusedMultiplyAdd(retVector.GetFlatData(), lhs.VectorData.GetFlatData(), rhs.VectorData.GetFlatData(), add.VectorData.GetFlatData());
return(new ComputationResult(retVector, true, add.Direction == lhs.Direction && add.Direction == rhs.Direction ? add.Direction : ComputationResult.VectorDirection.Unassigned));
}
// vector * lit + vector
else
{
var retVector = add.Accumulator ? add.VectorData :
(lhs.Accumulator ? lhs.VectorData : lhs.VectorData.CreateSimilarArray <float>());
VectorHelper.FusedMultiplyAdd(retVector.GetFlatData(), lhs.VectorData.GetFlatData(), rhs.LiteralValue, add.VectorData.GetFlatData());
return(new ComputationResult(retVector, true, add.Direction == lhs.Direction && add.Direction == rhs.Direction ? add.Direction : ComputationResult.VectorDirection.Unassigned));
}
}
}
private ComputationResult EvaluateAddIsMatrix(ComputationResult lhs, ComputationResult rhs, ComputationResult add)
{
if (lhs.IsVectorResult && lhs.Direction == ComputationResult.VectorDirection.Unassigned)
{
return(new ComputationResult("Unable to multiply vector without directionality starting at position " + MulLhs.Start + "!"));
}
if (rhs.IsVectorResult && rhs.Direction == ComputationResult.VectorDirection.Unassigned)
{
return(new ComputationResult("Unable to multiply vector without directionality starting at position " + MulRhs.Start + "!"));
}
// Ensure that the LHS is a higher or equal order to the RHS (Matrix > Vector > Scalar)
if (!lhs.IsOdResult)
{
Swap(ref lhs, ref rhs);
}
if (lhs.IsValue)
{
Swap(ref lhs, ref rhs);
}
// LHS is now a higher or equal to the order of RHS
if (lhs.IsOdResult)
{
if (rhs.IsOdResult)
{
var retMatrix = add.Accumulator ? add.OdData :
(lhs.Accumulator ? lhs.OdData :
(rhs.Accumulator ? rhs.OdData : add.OdData.CreateSimilarArray <float>()));
VectorHelper.FusedMultiplyAdd(retMatrix.GetFlatData(), lhs.OdData.GetFlatData(), rhs.OdData.GetFlatData(), add.OdData.GetFlatData());
return(new ComputationResult(retMatrix, true));
}
else if (rhs.IsVectorResult)
{
var retMatrix = add.Accumulator ? add.OdData :
(lhs.Accumulator ? lhs.OdData : add.OdData.CreateSimilarArray <float>());
if (rhs.Direction == ComputationResult.VectorDirection.Vertical)
{
VectorHelper.FusedMultiplyAddVerticalRhs(retMatrix.GetFlatData(), lhs.OdData.GetFlatData(), rhs.VectorData.GetFlatData(), add.OdData.GetFlatData());
}
else
{
VectorHelper.FusedMultiplyAddHorizontalRhs(retMatrix.GetFlatData(), lhs.OdData.GetFlatData(), rhs.VectorData.GetFlatData(), add.OdData.GetFlatData());
}
return(new ComputationResult(retMatrix, true));
}
else
{
//RHS is scalar
var retMatrix = add.Accumulator ? add.OdData :
(lhs.Accumulator ? lhs.OdData : add.OdData.CreateSimilarArray <float>());
VectorHelper.FusedMultiplyAdd(retMatrix.GetFlatData(), lhs.OdData.GetFlatData(), rhs.LiteralValue, add.OdData.GetFlatData());
return(new ComputationResult(retMatrix, true));
}
}
else if (lhs.IsVectorResult)
{
var retMatrix = add.Accumulator ? add.OdData : add.OdData.CreateSimilarArray <float>();
var tempVector = lhs.Accumulator ? lhs.VectorData : (rhs.IsVectorResult && rhs.Accumulator ? rhs.VectorData : lhs.VectorData.CreateSimilarArray <float>());
// compute the multiplication separately in this case for better performance (n multiplies instead of n^2)
if (rhs.IsVectorResult)
{
if (lhs.Direction != rhs.Direction)
{
// if the directions don't add up then the sum operation would be undefined!
return(new ComputationResult("Unable to add vector without directionality starting at position " + MulLhs.Start + "!"));
}
VectorHelper.Multiply(tempVector.GetFlatData(), 0, lhs.VectorData.GetFlatData(), 0, rhs.VectorData.GetFlatData(), 0, tempVector.GetFlatData().Length);
}
else
{
VectorHelper.Multiply(tempVector.GetFlatData(), lhs.VectorData.GetFlatData(), rhs.LiteralValue);
}
if (lhs.Direction == ComputationResult.VectorDirection.Vertical)
{
VectorHelper.AddVertical(retMatrix.GetFlatData(), add.OdData.GetFlatData(), tempVector.GetFlatData());
}
else
{
VectorHelper.AddHorizontal(retMatrix.GetFlatData(), add.OdData.GetFlatData(), tempVector.GetFlatData());
}
return(new ComputationResult(retMatrix, true));
}
else
{
// in this case LHS is a scalar, and therefore RHS is also a scalar
var retMatrix = add.Accumulator ? add.OdData : add.OdData.CreateSimilarArray <float>();
VectorHelper.Add(retMatrix.GetFlatData(), add.OdData.GetFlatData(), lhs.LiteralValue * rhs.LiteralValue);
return(new ComputationResult(retMatrix, true));
}
}
private ComputationResult EvaluateAddIsValue(ComputationResult lhs, ComputationResult rhs, ComputationResult add)
{
if (add.IsValue && lhs.IsValue && rhs.IsValue)
{
return(new ComputationResult(lhs.LiteralValue * rhs.LiteralValue + add.LiteralValue));
}
// float / matrix
if (lhs.IsValue)
{
if (rhs.IsVectorResult)
{
var retVector = rhs.Accumulator ? rhs.VectorData : rhs.VectorData.CreateSimilarArray <float>();
var flat = retVector.GetFlatData();
VectorHelper.FusedMultiplyAdd(flat, rhs.VectorData.GetFlatData(), lhs.LiteralValue, add.LiteralValue);
return(new ComputationResult(retVector, true, rhs.Direction));
}
else
{
var retMatrix = rhs.Accumulator ? rhs.OdData : rhs.OdData.CreateSimilarArray <float>();
// inverted lhs, rhs since order does not matter
VectorHelper.FusedMultiplyAdd(retMatrix.GetFlatData(), rhs.OdData.GetFlatData(), lhs.LiteralValue, add.LiteralValue);
return(new ComputationResult(retMatrix, true));
}
}
else if (rhs.IsValue)
{
if (lhs.IsVectorResult)
{
var retVector = lhs.Accumulator ? lhs.VectorData : lhs.VectorData.CreateSimilarArray <float>();
var flat = retVector.GetFlatData();
VectorHelper.FusedMultiplyAdd(flat, lhs.VectorData.GetFlatData(), rhs.LiteralValue, add.LiteralValue);
return(new ComputationResult(retVector, true, lhs.Direction));
}
else
{
// matrix / float
var retMatrix = lhs.Accumulator ? lhs.OdData : lhs.OdData.CreateSimilarArray <float>();
VectorHelper.FusedMultiplyAdd(retMatrix.GetFlatData(), lhs.OdData.GetFlatData(), rhs.LiteralValue, add.LiteralValue);
return(new ComputationResult(retMatrix, true));
}
}
else
{
if (lhs.IsVectorResult || rhs.IsVectorResult)
{
if (lhs.IsVectorResult && rhs.IsVectorResult)
{
var retMatrix = lhs.Accumulator ? lhs.VectorData : (rhs.Accumulator ? rhs.VectorData : lhs.VectorData.CreateSimilarArray <float>());
VectorHelper.FusedMultiplyAdd(retMatrix.GetFlatData(), lhs.VectorData.GetFlatData(), rhs.VectorData.GetFlatData(), add.LiteralValue);
return(new ComputationResult(retMatrix, true, lhs.Direction));
}
else if (lhs.IsVectorResult)
{
var retMatrix = rhs.Accumulator ? rhs.OdData : rhs.OdData.CreateSimilarArray <float>();
var flatRet = retMatrix.GetFlatData();
var flatRhs = rhs.OdData.GetFlatData();
var flatLhs = lhs.VectorData.GetFlatData();
if (lhs.Direction == ComputationResult.VectorDirection.Vertical)
{
System.Threading.Tasks.Parallel.For(0, flatRet.Length, i =>
{
VectorHelper.FusedMultiplyAdd(flatRet[i], flatRhs[i], flatLhs[i], add.LiteralValue);
});
}
else if (lhs.Direction == ComputationResult.VectorDirection.Horizontal)
{
System.Threading.Tasks.Parallel.For(0, flatRet.Length, i =>
{
VectorHelper.FusedMultiplyAdd(flatRet[i], flatLhs, flatRhs[i], add.LiteralValue);
});
}
else
{
return(new ComputationResult("Unable to add vector without directionality starting at position " + MulLhs.Start + "!"));
}
return(new ComputationResult(retMatrix, true));
}
else
{
var retMatrix = lhs.Accumulator ? lhs.OdData : lhs.OdData.CreateSimilarArray <float>();
var flatRet = retMatrix.GetFlatData();
var flatLhs = lhs.OdData.GetFlatData();
var flatRhs = rhs.VectorData.GetFlatData();
if (rhs.Direction == ComputationResult.VectorDirection.Vertical)
{
System.Threading.Tasks.Parallel.For(0, flatRet.Length, i =>
{
VectorHelper.FusedMultiplyAdd(flatRet[i], flatLhs[i], flatRhs[i], add.LiteralValue);
});
}
else if (rhs.Direction == ComputationResult.VectorDirection.Horizontal)
{
System.Threading.Tasks.Parallel.For(0, flatRet.Length, i =>
{
VectorHelper.FusedMultiplyAdd(flatRet[i], flatRhs, flatLhs[i], add.LiteralValue);
});
}
else
{
return(new ComputationResult("Unable to add vector without directionality starting at position " + MulLhs.Start + "!"));
}
return(new ComputationResult(retMatrix, true));
}
}
else
{
var retMatrix = lhs.Accumulator ? lhs.OdData : (rhs.Accumulator ? rhs.OdData : lhs.OdData.CreateSimilarArray <float>());
VectorHelper.FusedMultiplyAdd(retMatrix.GetFlatData(), lhs.OdData.GetFlatData(), rhs.OdData.GetFlatData(), add.LiteralValue);
return(new ComputationResult(retMatrix, true));
}
}
}
public override ComputationResult Evaluate(IDataSource[] dataSources)
{
// first evaluate the parameters
var values = new ComputationResult[Parameters.Length];
for (int i = 0; i < values.Length; i++)
{
values[i] = Parameters[i].Evaluate(dataSources);
if (values[i].Error)
{
return(values[i]);
}
}
switch (Type)
{
case FunctionType.AsHorizontal:
if (values.Length != 1)
{
return(new ComputationResult("AsHorizontal at position " + Start + " was executed with the wrong number of parameters!"));
}
if (!values[0].IsVectorResult)
{
return(new ComputationResult("AsHorizontal at position " + Start + " was executed with a parameter that was not a vector!"));
}
return(new ComputationResult(values[0], ComputationResult.VectorDirection.Horizontal));
case FunctionType.AsVertical:
if (values.Length != 1)
{
return(new ComputationResult("AsVertical at position " + Start + " was executed with the wrong number of parameters!"));
}
if (!values[0].IsVectorResult)
{
return(new ComputationResult("AsVertical at position " + Start + " was executed with a parameter that was not a vector!"));
}
return(new ComputationResult(values[0], ComputationResult.VectorDirection.Vertical));
case FunctionType.Transpose:
{
if (values.Length != 1)
{
return(new ComputationResult("Transpose at position " + Start + " was executed with the wrong number of parameters!"));
}
if (values[0].IsVectorResult)
{
switch (values[0].Direction)
{
case ComputationResult.VectorDirection.Horizontal:
return(new ComputationResult(values[0], ComputationResult.VectorDirection.Vertical));
case ComputationResult.VectorDirection.Vertical:
return(new ComputationResult(values[0], ComputationResult.VectorDirection.Horizontal));
case ComputationResult.VectorDirection.Unassigned:
return(new ComputationResult("Unable to transpose an vector that does not have a directionality!"));
}
}
if (values[0].IsValue)
{
return(new ComputationResult("The parameter to Transpose at position " + Start + " was executed against a scalar!"));
}
if (values[0].IsOdResult)
{
return(TransposeOd(values[0]));
}
return(new ComputationResult("Unsupported data type for Transpose at position " + Start + "."));
}
case FunctionType.SumRows:
if (values.Length != 1)
{
return(new ComputationResult("SumRows was executed with the wrong number of parameters!"));
}
if (!values[0].IsOdResult)
{
return(new ComputationResult("SumRows was executed with a parameter that was not a matrix!"));
}
return(SumRows(values[0]));
case FunctionType.SumColumns:
if (values.Length != 1)
{
return(new ComputationResult("SumColumns was executed with the wrong number of parameters!"));
}
if (!values[0].IsOdResult)
{
return(new ComputationResult("SumColumns was executed with a parameter that was not a matrix!"));
}
return(SumColumns(values[0]));
case FunctionType.AvgRows:
if (values.Length != 1)
{
return(new ComputationResult("AvgRows was executed with the wrong number of parameters!"));
}
if (!values[0].IsOdResult)
{
return(new ComputationResult("AvgRows was executed with a parameter that was not a matrix!"));
}
return(AvgRows(values[0]));
case FunctionType.AvgColumns:
if (values.Length != 1)
{
return(new ComputationResult("AvgColumns was executed with the wrong number of parameters!"));
}
if (!values[0].IsOdResult)
{
return(new ComputationResult("AvgColumns was executed with a parameter that was not a matrix!"));
}
return(AvgColumns(values[0]));
case FunctionType.Sum:
if (values.Length != 1)
{
return(new ComputationResult("Sum was executed with the wrong number of parameters!"));
}
if (values[0].IsValue)
{
return(new ComputationResult("Sum was executed with a parameter that was already a scalar value!"));
}
return(Sum(values[0]));
case FunctionType.Abs:
if (values.Length != 1)
{
return(new ComputationResult("Abs was executed with the wrong number of parameters!"));
}
return(Abs(values[0]));
case FunctionType.Avg:
if (values.Length != 1)
{
return(new ComputationResult("Avg was executed with the wrong number of parameters!"));
}
if (values[0].IsValue)
{
return(new ComputationResult("Avg was executed with a parameter that was already a scalar value!"));
}
return(Avg(values[0]));
case FunctionType.E:
return(new ComputationResult((float)Math.E));
case FunctionType.Pi:
return(new ComputationResult((float)Math.PI));
case FunctionType.Length:
if (values.Length != 1)
{
return(new ComputationResult("Length was executed with the wrong number of parameters!"));
}
if (values[0].IsValue)
{
return(new ComputationResult("Length can not be applied to a scalar!"));
}
return(Length(values[0]));
case FunctionType.LengthColumns:
if (values.Length != 1)
{
return(new ComputationResult("LengthColumns was executed with the wrong number of parameters!"));
}
if (values[0].IsOdResult)
{
return(new ComputationResult("LengthColumns must be applied to a Matrix!"));
}
return(LengthColumns(values[0]));
case FunctionType.LengthRows:
if (values.Length != 1)
{
return(new ComputationResult("LengthRows was executed with the wrong number of parameters!"));
}
if (values[0].IsOdResult)
{
return(new ComputationResult("LengthRows must be applied to a Matrix!"));
}
return(LengthRows(values[0]));
case FunctionType.ZeroMatrix:
if (values.Length != 1)
{
return(new ComputationResult("ZeroMatrix was executed with the wrong number of parameters!"));
}
if (values[0].IsValue)
{
return(new ComputationResult("ZeroMatrix must be applied to a vector, or a matrix!"));
}
return(ZeroMatrix(values));
case FunctionType.Matrix:
if (values.Length != 1)
{
return(new ComputationResult("Matrix was executed with the wrong number of parameters!"));
}
if (!values[0].IsVectorResult)
{
return(new ComputationResult("Matrix must be applied to a vector!"));
}
return(Matrix(values[0]));
case FunctionType.IdentityMatrix:
if (values.Length != 1)
{
return(new ComputationResult("IdentityMatrix was executed with the wrong number of parameters!"));
}
if (values[0].IsValue)
{
return(new ComputationResult("IdentityMatrix must be applied to a vector, or a matrix!"));
}
return(IdentityMatrix(values[0]));
case FunctionType.Log:
if (values.Length != 1)
{
return(new ComputationResult("Log must be executed with one parameter!"));
}
return(Log(values));
case FunctionType.If:
if (values.Length != 3)
{
return(new ComputationResult("If requires 3 parameters (condition, valueIfTrue, valueIfFalse)!"));
}
return(ComputeIf(values));
case FunctionType.IfNaN:
if (values.Length != 2)
{
return(new ComputationResult("IfNaN requires 2 parameters (original,replacement)!"));
}
return(ComputeIfNaN(values));
}
return(new ComputationResult("An undefined function was executed!"));
}
public override ComputationResult Evaluate(ComputationResult lhs, ComputationResult rhs)
{
// see if we have two values, in this case we can skip doing the matrix operation
if (lhs.IsValue && rhs.IsValue)
{
return(new ComputationResult(lhs.LiteralValue - rhs.LiteralValue));
}
// float / matrix
if (lhs.IsValue)
{
if (rhs.IsVectorResult)
{
var retVector = rhs.Accumulator ? rhs.VectorData : rhs.VectorData.CreateSimilarArray <float>();
var flat = retVector.GetFlatData();
VectorHelper.Subtract(flat, lhs.VectorData.GetFlatData(), rhs.LiteralValue);
return(new ComputationResult(retVector, true, rhs.Direction));
}
else
{
var retMatrix = rhs.Accumulator ? rhs.OdData : rhs.OdData.CreateSimilarArray <float>();
VectorHelper.Subtract(retMatrix.GetFlatData(), lhs.LiteralValue, rhs.OdData.GetFlatData());
return(new ComputationResult(retMatrix, true));
}
}
else if (rhs.IsValue)
{
if (lhs.IsVectorResult)
{
var retVector = lhs.Accumulator ? lhs.VectorData : lhs.VectorData.CreateSimilarArray <float>();
var flat = retVector.GetFlatData();
VectorHelper.Subtract(flat, lhs.VectorData.GetFlatData(), rhs.LiteralValue);
return(new ComputationResult(retVector, true, lhs.Direction));
}
else
{
// matrix / float
var retMatrix = lhs.Accumulator ? lhs.OdData : lhs.OdData.CreateSimilarArray <float>();
VectorHelper.Subtract(retMatrix.GetFlatData(), lhs.OdData.GetFlatData(), rhs.LiteralValue);
return(new ComputationResult(retMatrix, true));
}
}
else
{
if (lhs.IsVectorResult || rhs.IsVectorResult)
{
if (lhs.IsVectorResult && rhs.IsVectorResult)
{
var retMatrix = lhs.Accumulator ? lhs.VectorData : (rhs.Accumulator ? rhs.VectorData : lhs.VectorData.CreateSimilarArray <float>());
VectorHelper.Subtract(retMatrix.GetFlatData(), 0, lhs.VectorData.GetFlatData(), 0, rhs.VectorData.GetFlatData(), 0, retMatrix.GetFlatData().Length);
return(new ComputationResult(retMatrix, true, lhs.Direction));
}
else if (lhs.IsVectorResult)
{
var retMatrix = rhs.Accumulator ? rhs.OdData : rhs.OdData.CreateSimilarArray <float>();
var flatRet = retMatrix.GetFlatData();
var flatRhs = rhs.OdData.GetFlatData();
var flatLhs = lhs.VectorData.GetFlatData();
if (lhs.Direction == ComputationResult.VectorDirection.Vertical)
{
System.Threading.Tasks.Parallel.For(0, flatRet.Length, i =>
{
VectorHelper.Subtract(flatRet[i], flatLhs[i], flatRhs[i]);
});
}
else if (lhs.Direction == ComputationResult.VectorDirection.Horizontal)
{
System.Threading.Tasks.Parallel.For(0, flatRet.Length, i =>
{
VectorHelper.Subtract(flatRet[i], 0, flatLhs, 0, flatRhs[i], 0, flatRet[i].Length);
});
}
else
{
return(new ComputationResult("Unable to subtract vector without directionality starting at position " + Lhs.Start + "!"));
}
return(new ComputationResult(retMatrix, true));
}
else
{
var retMatrix = lhs.Accumulator ? lhs.OdData : lhs.OdData.CreateSimilarArray <float>();
var flatRet = retMatrix.GetFlatData();
var flatLhs = lhs.OdData.GetFlatData();
var flatRhs = rhs.VectorData.GetFlatData();
if (rhs.Direction == ComputationResult.VectorDirection.Vertical)
{
System.Threading.Tasks.Parallel.For(0, flatRet.Length, i =>
{
VectorHelper.Subtract(flatRet[i], flatLhs[i], flatRhs[i]);
});
}
else if (rhs.Direction == ComputationResult.VectorDirection.Horizontal)
{
System.Threading.Tasks.Parallel.For(0, flatRet.Length, i =>
{
VectorHelper.Subtract(flatRet[i], 0, flatLhs[i], 0, flatRhs, 0, flatRet[i].Length);
});
}
else
{
return(new ComputationResult("Unable to subtract vector without directionality starting at position " + Lhs.Start + "!"));
}
return(new ComputationResult(retMatrix, true));
}
}
else
{
var retMatrix = lhs.Accumulator ? lhs.OdData : (rhs.Accumulator ? rhs.OdData : lhs.OdData.CreateSimilarArray <float>());
VectorHelper.Subtract(retMatrix.GetFlatData(), lhs.OdData.GetFlatData(), rhs.OdData.GetFlatData());
return(new ComputationResult(retMatrix, true));
}
}
}
public abstract ComputationResult Evaluate(ComputationResult lhs, ComputationResult rhs);