Commit 80e383a0 authored by Nguyen, Thien Minh's avatar Nguyen, Thien Minh
Browse files

Merge branch 'master' into tnguyen/mirror-mlir

parents 0b33dd6c 809007f7

examples/mirror_validation/deuteron_validation.cpp

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// Compile to run with validation mode: 

// Qpp (noiseless)

// qcor -validate deuteron_validation.cpp -shots 1024

// Aer (noisy)

// qcor -validate deuteron_validation.cpp -shots 1024 -qpu aer[noise-model:noise_model.json]

__qpu__ void deuteron(qreg q, double theta) {

  X(q[0]);

  Ry(q[1], theta);

  CNOT(q[1], q[0]);

  // for (int i = 0; i < 20; i++) {

  //   CNOT(q[1], q[0]);

  // }

  H(q[0]);

  H(q[1]);

  Measure(q[0]);

  Measure(q[1]);

}



int main() {

  qcor::set_verbose(true);

  const double angle = 0.297113;

  auto q = qalloc(2);

  deuteron(q, angle);

  q.print();

  std::cout << "<XX> = " << q.exp_val_z() << "\n";

}
 
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python/py-qcor.cpp

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@@ -912,6 +912,19 @@ PYBIND11_MODULE(_pyqcor, m) { 
        return qcor::observe(kernel, observable, q);

      },

      "");

  m.def("internal_observe",

        [](std::shared_ptr<qcor::CompositeInstruction> kernel,

           qcor::Operator &obs, xacc::internal_compiler::qreg &q) {

          return qcor::observe(kernel, obs, q);

        },

        "");

  m.def("internal_observe",

        [](std::shared_ptr<qcor::CompositeInstruction> kernel, py::object obs,

           xacc::internal_compiler::qreg &q) {

          auto observable = convertToQCOROperator(obs);

          return qcor::observe(kernel, observable, q);

        },

        "");

  m.def(

      "internal_autograd",

      [](py::function &kernel_eval, qcor::Operator &obs,

python/qcor.in.py

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@@ -691,6 +691,13 @@ class qjit(object): 
        at the given arguments. 

        """

        program = self.extract_composite(*args)

        # If the kernel has the simple signature (qreg, params...),

        # forwards the qreg to the qcor::observe method so that users can get a handle to the qreg

        # which contains child buffer information (e.g. bitstrings/exp-val-z of each term).

        if (str(self.type_annotations[self.arg_names[0]]) == '<class \'_pyqcor.qreg\'>' and args[0].size() == observable.nBits()):

            return internal_observe(program, observable, args[0])

        else:

            # Otherwise, just qcor will use a temp. buffer and just return the expectation value.

            return internal_observe(program, observable)

    

    def autograd(self, observable, qreg, x_vec):