public override void UnaryElementWiseOperation(NArray <double> a,
NArray <double> result, UnaryElementWiseOperation operation)
{
if (operation == VectorAccelerator.UnaryElementWiseOperation.Negate)
{
ScaleOffset(a, -1, 0, result);
return;
}
VectorOperation vectorVectorOperation = null;
switch (operation)
{
case VectorAccelerator.UnaryElementWiseOperation.CumulativeNormal: vectorVectorOperation = IntelMathKernelLibrary.CumulativeNormal; break;
case VectorAccelerator.UnaryElementWiseOperation.Exp: vectorVectorOperation = IntelMathKernelLibrary.Exp; break;
case VectorAccelerator.UnaryElementWiseOperation.InverseCumulativeNormal: vectorVectorOperation = IntelMathKernelLibrary.InverseCumulativeNormal; break;
case VectorAccelerator.UnaryElementWiseOperation.InverseSquareRoot: vectorVectorOperation = IntelMathKernelLibrary.InverseSquareRoot; break;
case VectorAccelerator.UnaryElementWiseOperation.Inverse: vectorVectorOperation = IntelMathKernelLibrary.Inverse; break;
case VectorAccelerator.UnaryElementWiseOperation.Log: vectorVectorOperation = IntelMathKernelLibrary.Log; break;
case VectorAccelerator.UnaryElementWiseOperation.SquareRoot: vectorVectorOperation = IntelMathKernelLibrary.SquareRoot; break;
}
VectorOperation(a, result, vectorVectorOperation);
}
//#region Unary Operations
public virtual NArray <T> UnaryElementWiseOperation <T>(NArray <T> operand, UnaryElementWiseOperation operation)
{
var result = NewNArrayLike(operand);
DoUnaryElementWiseOperation <T>(operand, result, operation);
return(result);
}
public override NArray <T> UnaryElementWiseOperation <T>(NArray <T> operand,
UnaryElementWiseOperation operation)
{
NArray <T> result = null;
if (operand.IsScalar)
{
Func <T, T> scalarOperation = null;
switch (operation)
{
case VectorAccelerator.UnaryElementWiseOperation.Negate:
scalarOperation = (op) => { T res; Negate <T>(op, out res); return(res); };
break;
//case VectorAccelerator.UnaryElementWiseOperation.Exp:
default:
throw new NotImplementedException();
}
if (!IsIndependentVariable(operand))
{
return(NewScalarNArray(scalarOperation(operand.First())));
}
else
{
result = NewScalarLocalNArray(scalarOperation(operand.First()), true);
}
}
else
{
result = NewNArrayLike(operand);
}
DoUnaryElementWiseOperation <T>(operand, result, operation);
return(result);
}
public void AddUnaryElementWiseOperation <T>(NArray <T> a,
NArray <T> result, UnaryElementWiseOperation operation)
{
_operations.Add(
Expression.Assign(GetParameter <T>(result),
ExpressionExtended.MakeUnary(operation, GetParameter <T>(a)))
);
}
public abstract void UnaryElementWiseOperation(NArray <int> a, NArray <int> result, UnaryElementWiseOperation operation);
public static UnaryMathsExpression MakeUnary(UnaryElementWiseOperation unaryType, VectorParameterExpression operand)
{
return(new UnaryMathsExpression(unaryType, operand));
}
internal UnaryMathsExpression(UnaryElementWiseOperation unaryType, VectorParameterExpression operand)
{
UnaryType = unaryType;
Operand = operand;
}
public override void DoUnaryElementWiseOperation <T>(NArray <T> a, NArray <T> result, UnaryElementWiseOperation operation)
{
ElementWise <T>(a).UnaryElementWiseOperation(a, result, operation);
}
public override void UnaryElementWiseOperation(NArray <int> a,
NArray <int> result, UnaryElementWiseOperation operation)
{
throw new NotImplementedException();
}
public abstract void DoUnaryElementWiseOperation <T>(NArray <T> a, NArray <T> result, UnaryElementWiseOperation operation);
public override void DoUnaryElementWiseOperation <T>(NArray <T> a, NArray <T> result, UnaryElementWiseOperation operation)
{
_builder.AddUnaryElementWiseOperation(a, result, operation);
}
