/// <summary>
                /// Gets an identifier and argument tuple for the built-in operation NoOp.
                /// </summary>
                private (TypedExpression, TypedExpression) GetNoOp()
                {
                    var opInfo = BuiltIn.NoOp;

                    var properties      = new[] { OpProperty.Adjointable, OpProperty.Controllable };
                    var characteristics = new CallableInformation(
                        ResolvedCharacteristics.FromProperties(properties),
                        new InferredCallableInformation(((BuiltInKind.Operation)opInfo.Kind).IsSelfAdjoint, false));

                    var unitType      = ResolvedType.New(ResolvedTypeKind.UnitType);
                    var operationType = ResolvedType.New(ResolvedTypeKind.NewOperation(
                                                             Tuple.Create(unitType, unitType),
                                                             characteristics));

                    var args = new TypedExpression(
                        ExpressionKind.UnitValue,
                        TypeArgsResolution.Empty,
                        unitType,
                        new InferredExpressionInformation(false, false),
                        QsNullable <Tuple <QsPositionInfo, QsPositionInfo> > .Null);
                    var typeArgs = ImmutableArray.Create(unitType);

                    var identifier = new TypedExpression(
                        ExpressionKind.NewIdentifier(
                            Identifier.NewGlobalCallable(opInfo.FullName),
                            QsNullable <ImmutableArray <ResolvedType> > .NewValue(typeArgs)),
                        typeArgs
                        .Zip(((BuiltInKind.Operation)opInfo.Kind).TypeParameters, (type, param) => Tuple.Create(opInfo.FullName, param, type))
                        .ToImmutableArray(),
                        operationType,
                        new InferredExpressionInformation(false, false),
                        QsNullable <Tuple <QsPositionInfo, QsPositionInfo> > .Null);

                    return(identifier, args);
                }
        internal static ResolvedType GetOperationType(IEnumerable <OpProperty> props, ResolvedType argumentType)
        {
            var characteristics = new CallableInformation(
                ResolvedCharacteristics.FromProperties(props),
                InferredCallableInformation.NoInformation);

            return(ResolvedType.New(ResolvedTypeKind.NewOperation(
                                        Tuple.Create(argumentType, ResolvedType.New(ResolvedTypeKind.UnitType)),
                                        characteristics)));
        }
                /// <summary>
                /// Creates an operation call from the conditional control API, given information
                /// about which operation to call and with what arguments.
                /// </summary>
                private TypedExpression CreateControlCall(BuiltIn opInfo, IEnumerable <OpProperty> properties, TypedExpression args, IEnumerable <ResolvedType> typeArgs)
                {
                    var characteristics = new CallableInformation(
                        ResolvedCharacteristics.FromProperties(properties),
                        new InferredCallableInformation(((BuiltInKind.Operation)opInfo.Kind).IsSelfAdjoint, false));

                    var unitType      = ResolvedType.New(ResolvedTypeKind.UnitType);
                    var operationType = ResolvedType.New(ResolvedTypeKind.NewOperation(
                                                             Tuple.Create(args.ResolvedType, unitType),
                                                             characteristics));

                    // Build the surrounding control call
                    var identifier = new TypedExpression(
                        ExpressionKind.NewIdentifier(
                            Identifier.NewGlobalCallable(opInfo.FullName),
                            typeArgs.Any()
                            ? QsNullable <ImmutableArray <ResolvedType> > .NewValue(typeArgs.ToImmutableArray())
                            : QsNullable <ImmutableArray <ResolvedType> > .Null),
                        typeArgs
                        .Zip(((BuiltInKind.Operation)opInfo.Kind).TypeParameters, (type, param) => Tuple.Create(opInfo.FullName, param, type))
                        .ToImmutableArray(),
                        operationType,
                        new InferredExpressionInformation(false, false),
                        QsNullable <Tuple <QsPositionInfo, QsPositionInfo> > .Null);

                    // Creates type resolutions for the call expression
                    var opTypeArgResolutions = typeArgs
                                               .SelectMany(x =>
                                                           x.Resolution is ResolvedTypeKind.TupleType tup
                            ? tup.Item
                            : ImmutableArray.Create(x))
                                               .Where(x => x.Resolution.IsTypeParameter)
                                               .Select(x => (x.Resolution as ResolvedTypeKind.TypeParameter).Item)
                                               .GroupBy(x => (x.Origin, x.TypeName))
                                               .Select(group =>
                    {
                        var typeParam = group.First();
                        return(Tuple.Create(typeParam.Origin, typeParam.TypeName, ResolvedType.New(ResolvedTypeKind.NewTypeParameter(typeParam))));
                    })
                                               .ToImmutableArray();

                    return(new TypedExpression(
                               ExpressionKind.NewCallLikeExpression(identifier, args),
                               opTypeArgResolutions,
                               unitType,
                               new InferredExpressionInformation(false, true),
                               QsNullable <Tuple <QsPositionInfo, QsPositionInfo> > .Null));
                }
Exemple #4
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            private (ResolvedSignature, IEnumerable <QsSpecialization>) MakeSpecializations(
                QsQualifiedName callableName, ResolvedType paramsType, SpecializationImplementation bodyImplementation)
            {
                QsSpecialization MakeSpec(QsSpecializationKind kind, ResolvedSignature signature, SpecializationImplementation impl) =>
                new QsSpecialization(
                    kind,
                    callableName,
                    ImmutableArray <QsDeclarationAttribute> .Empty,
                    this.CurrentCallable.Callable.SourceFile,
                    QsNullable <QsLocation> .Null,
                    QsNullable <ImmutableArray <ResolvedType> > .Null,
                    signature,
                    impl,
                    ImmutableArray <string> .Empty,
                    QsComments.Empty);

                var adj    = this.CurrentCallable.Adjoint;
                var ctl    = this.CurrentCallable.Controlled;
                var ctlAdj = this.CurrentCallable.ControlledAdjoint;

                bool addAdjoint    = false;
                bool addControlled = false;
                bool isSelfAdjoint = false;

                if (this.InWithinBlock)
                {
                    addAdjoint    = true;
                    addControlled = false;
                }
                else if (this.InBody)
                {
                    if (adj != null && adj.Implementation is SpecializationImplementation.Generated adjGen)
                    {
                        addAdjoint    = adjGen.Item.IsInvert;
                        isSelfAdjoint = adjGen.Item.IsSelfInverse;
                    }
                    if (ctl != null && ctl.Implementation is SpecializationImplementation.Generated ctlGen)
                    {
                        addControlled = ctlGen.Item.IsDistribute;
                    }
                    if (ctlAdj != null && ctlAdj.Implementation is SpecializationImplementation.Generated ctlAdjGen)
                    {
                        addAdjoint    = addAdjoint || (ctlAdjGen.Item.IsInvert && ctl.Implementation.IsGenerated);
                        addControlled = addControlled || (ctlAdjGen.Item.IsDistribute && adj.Implementation.IsGenerated);
                        isSelfAdjoint = isSelfAdjoint || ctlAdjGen.Item.IsSelfInverse;
                    }
                }
                else if (ctlAdj != null && ctlAdj.Implementation is SpecializationImplementation.Generated gen)
                {
                    addControlled = this.InAdjoint && gen.Item.IsDistribute;
                    addAdjoint    = this.InControlled && gen.Item.IsInvert;
                    isSelfAdjoint = gen.Item.IsSelfInverse;
                }

                var props = new List <OpProperty>();

                if (addAdjoint)
                {
                    props.Add(OpProperty.Adjointable);
                }
                if (addControlled)
                {
                    props.Add(OpProperty.Controllable);
                }
                var newSig = new ResolvedSignature(
                    this.CurrentCallable.Callable.Signature.TypeParameters,
                    paramsType,
                    ResolvedType.New(ResolvedTypeKind.UnitType),
                    new CallableInformation(ResolvedCharacteristics.FromProperties(props), new InferredCallableInformation(isSelfAdjoint, false)));

                var controlledSig = new ResolvedSignature(
                    newSig.TypeParameters,
                    ResolvedType.New(ResolvedTypeKind.NewTupleType(ImmutableArray.Create(
                                                                       ResolvedType.New(ResolvedTypeKind.NewArrayType(ResolvedType.New(ResolvedTypeKind.Qubit))),
                                                                       newSig.ArgumentType))),
                    newSig.ReturnType,
                    newSig.Information);

                var specializations = new List <QsSpecialization>()
                {
                    MakeSpec(QsSpecializationKind.QsBody, newSig, bodyImplementation)
                };

                if (addAdjoint)
                {
                    specializations.Add(MakeSpec(
                                            QsSpecializationKind.QsAdjoint,
                                            newSig,
                                            SpecializationImplementation.NewGenerated(QsGeneratorDirective.Invert)));
                }

                if (addControlled)
                {
                    specializations.Add(MakeSpec(
                                            QsSpecializationKind.QsControlled,
                                            controlledSig,
                                            SpecializationImplementation.NewGenerated(QsGeneratorDirective.Distribute)));
                }

                if (addAdjoint && addControlled)
                {
                    specializations.Add(MakeSpec(
                                            QsSpecializationKind.QsControlledAdjoint,
                                            controlledSig,
                                            SpecializationImplementation.NewGenerated(QsGeneratorDirective.Distribute)));
                }

                return(newSig, specializations);
            }
Exemple #5
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        public void ParseOp()
        {
            ArgDeclType BuildArgument(string name, ResolvedType t)
            {
                var validName = QsLocalSymbol.NewValidName(NonNullable <string> .New(name));
                var info      = new InferredExpressionInformation(false, false);

                return(new ArgDeclType(validName, t, info, QsNullable <Tuple <int, int> > .Null, EmptyRange));
            }

            string[] comments =
            {
                "# Summary",
                "Convenience function that performs state preparation by applying a ",
                "`statePrepUnitary` on the input state, followed by adiabatic state ",
                "preparation using a `adiabaticUnitary`, and finally phase estimation ",
                "with respect to `qpeUnitary`on the resulting state using a ",
                "`phaseEstAlgorithm`.",
                "",
                "# Input",
                "## statePrepUnitary",
                "An oracle representing state preparation for the initial dynamical",
                "generator.",
                "## adiabaticUnitary",
                "An oracle representing the adiabatic evolution algorithm to be used",
                "to implement the sweeps to the final state of the algorithm.",
                "## qpeUnitary",
                "An oracle representing a unitary operator $U$ representing evolution",
                "for time $\\delta t$ under a dynamical generator with ground state",
                "$\\ket{\\phi}$ and ground state energy $E = \\phi\\\\,\\delta t$.",
                "## phaseEstAlgorithm",
                "An operation that performs phase estimation on a given unitary operation.",
                "See [iterative phase estimation](/quantum/libraries/characterization#iterative-phase-estimation)",
                "for more details.",
                "## qubits",
                "A register of qubits to be used to perform the simulation.",
                "",
                "# Output",
                "An estimate $\\hat{\\phi}$ of the ground state energy $\\phi$",
                "of the generator represented by $U$."
            };
            string expected = @"### YamlMime:QSharpType
uid: microsoft.quantum.canon.adiabaticstateenergyunitary
name: AdiabaticStateEnergyUnitary
type: operation
namespace: Microsoft.Quantum.Canon
summary: |-
  Convenience function that performs state preparation by applying a
  `statePrepUnitary` on the input state, followed by adiabatic state
  preparation using a `adiabaticUnitary`, and finally phase estimation
  with respect to `qpeUnitary`on the resulting state using a
  `phaseEstAlgorithm`.
syntax: 'operation AdiabaticStateEnergyUnitary (statePrepUnitary : (Qubit[] => Unit), adiabaticUnitary : (Qubit[] => Unit), qpeUnitary : (Qubit[] => Unit is Adj + Ctl), phaseEstAlgorithm : ((Microsoft.Quantum.Canon.DiscreteOracle, Qubit[]) => Double), qubits : Qubit[]) : Double'
input:
  content: '(statePrepUnitary : (Qubit[] => Unit), adiabaticUnitary : (Qubit[] => Unit), qpeUnitary : (Qubit[] => Unit is Adj + Ctl), phaseEstAlgorithm : ((Microsoft.Quantum.Canon.DiscreteOracle, Qubit[]) => Double), qubits : Qubit[])'
  types:
  - name: statePrepUnitary
    summary: |-
      An oracle representing state preparation for the initial dynamical
      generator.
    isOperation: true
    input:
      types:
      - isArray: true
        isPrimitive: true
        uid: Qubit
    output:
      types:
      - isPrimitive: true
        uid: Unit
  - name: adiabaticUnitary
    summary: |-
      An oracle representing the adiabatic evolution algorithm to be used
      to implement the sweeps to the final state of the algorithm.
    isOperation: true
    input:
      types:
      - isArray: true
        isPrimitive: true
        uid: Qubit
    output:
      types:
      - isPrimitive: true
        uid: Unit
  - name: qpeUnitary
    summary: |-
      An oracle representing a unitary operator $U$ representing evolution
      for time $\delta t$ under a dynamical generator with ground state
      $\ket{\phi}$ and ground state energy $E = \phi\\,\delta t$.
    isOperation: true
    input:
      types:
      - isArray: true
        isPrimitive: true
        uid: Qubit
    output:
      types:
      - isPrimitive: true
        uid: Unit
    functors:
    - Adjoint
    - Controlled
  - name: phaseEstAlgorithm
    summary: |-
      An operation that performs phase estimation on a given unitary operation.
      See [iterative phase estimation](/quantum/libraries/characterization#iterative-phase-estimation)
      for more details.
    isOperation: true
    input:
      types:
      - uid: microsoft.quantum.canon.discreteoracle
      - isArray: true
        isPrimitive: true
        uid: Qubit
    output:
      types:
      - isPrimitive: true
        uid: Double
  - name: qubits
    summary: A register of qubits to be used to perform the simulation.
    isArray: true
    isPrimitive: true
    uid: Qubit
output:
  content: Double
  types:
  - summary: |-
      An estimate $\hat{\phi}$ of the ground state energy $\phi$
      of the generator represented by $U$.
    isPrimitive: true
    uid: Double
...
";

            var qubitArrayType = ResolvedType.New(QsType.NewArrayType(ResolvedType.New(QsType.Qubit)));
            var unitType       = ResolvedType.New(QsType.UnitType);
            var doubleType     = ResolvedType.New(QsType.Double);
            var oracleType     = ResolvedType.New(QsType.NewUserDefinedType(new UserDefinedType(CanonName,
                                                                                                NonNullable <string> .New("DiscreteOracle"),
                                                                                                QsNullable <Tuple <QsPositionInfo, QsPositionInfo> > .Null)));
            var noInfo = CallableInformation.NoInformation;
            var acFunctors = ResolvedCharacteristics.FromProperties(new[] { OpProperty.Adjointable, OpProperty.Controllable });
            var acInfo = new CallableInformation(acFunctors, InferredCallableInformation.NoInformation);
            var qubitToUnitOp = ResolvedType.New(QsType.NewOperation(new SigTypeTuple(qubitArrayType, unitType), noInfo));
            var qubitToUnitOpAC = ResolvedType.New(QsType.NewOperation(new SigTypeTuple(qubitArrayType, unitType), acInfo));
            var phaseEstArgs = new ResolvedType[] { oracleType, qubitArrayType }.ToImmutableArray();
            var phaseEstArgTuple = ResolvedType.New(QsType.NewTupleType(phaseEstArgs));
            var phaseEstOp       = ResolvedType.New(QsType.NewOperation(new SigTypeTuple(phaseEstArgTuple, doubleType), noInfo));

            var typeParams = new QsLocalSymbol[] { }.ToImmutableArray();
            var argTypes = new ResolvedType[] { qubitToUnitOp, qubitToUnitOp, qubitToUnitOpAC, phaseEstOp, qubitArrayType }.ToImmutableArray();
            var argTupleType = ResolvedType.New(QsType.NewTupleType(argTypes));
            var signature    = new ResolvedSignature(typeParams, argTupleType, doubleType, noInfo);

            var args = new List <ArgDeclType> {
                BuildArgument("statePrepUnitary", qubitToUnitOp),
                BuildArgument("adiabaticUnitary", qubitToUnitOp),
                BuildArgument("qpeUnitary", qubitToUnitOpAC),
                BuildArgument("phaseEstAlgorithm", phaseEstOp),
                BuildArgument("qubits", qubitArrayType)
            }
            .ConvertAll(arg => QsTuple <ArgDeclType> .NewQsTupleItem(arg))
            .ToImmutableArray();
            var argTuple = QsTuple <ArgDeclType> .NewQsTuple(args);

            var specs = new QsSpecialization[] { }.ToImmutableArray();

            var qsCallable = new QsCallable(QsCallableKind.Operation,
                                            MakeFullName("AdiabaticStateEnergyUnitary"),
                                            ImmutableArray <QsDeclarationAttribute> .Empty,
                                            NonNullable <string> .New("Techniques.qs"),
                                            ZeroLocation,
                                            signature,
                                            argTuple,
                                            specs,
                                            comments.ToImmutableArray(),
                                            QsComments.Empty);
            var callable = new DocCallable("Microsoft.Quantum.Canon", qsCallable);

            var stream = new StringWriter();

            callable.WriteToFile(stream);
            var s = stream.ToString();

            Assert.Equal(expected, s);
        }
 internal static string ToSyntax(this ResolvedCharacteristics characteristics) =>
 characteristics.SupportedFunctors switch
 {
     { IsNull : true } => "",