Commit 48b0d22e authored by Mccaskey, Alex's avatar Mccaskey, Alex
Browse files

Adding HWE deuteron example, with xasm for loops for quantum lambda 



Signed-off-by: Mccaskey, Alex's avatarAlex McCaskey <mccaskeyaj@ornl.gov>
parent 1dc77545

examples/hwe_for_loop_xasm_deuteron.cpp

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+37 −0
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#include "qcor.hpp"

#include <heterogeneous.hpp>



int main(int argc, char **argv) {



  qcor::Initialize(argc, argv);



  auto ansatz = [&](qbit q, std::vector<double> x) {

    for (int i = 0; i < 2; i++) {

        Rx(q[i],x[i]);

        Rz(q[i],x[2+i]);

    }

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

    for (int i = 0; i < 2; i++) {

        Rx(q[i], x[i+4]);

        Rz(q[i], x[i+4+2]);

        Rx(q[i], x[i+4+4]);

    }

  };



  auto optimizer =

      qcor::getOptimizer("nlopt", {std::make_pair("nlopt-optimizer", "cobyla"),

                                   std::make_pair("nlopt-maxeval", 100)});



  auto observable =

      qcor::getObservable("pauli", std::string("5.907 - 2.1433 X0X1 "

                                               "- 2.1433 Y0Y1"

                                               "+ .21829 Z0 - 6.125 Z1"));

  int nq = observable->nBits();



  auto handle = qcor::submit([&](qcor::qpu_handler &qh) {

    qh.vqe(ansatz,

        observable, optimizer, std::vector<double>{});

  });



  auto results = qcor::sync(handle);

}

runtime/CMakeLists.txt

+1 −1
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@@ -6,7 +6,7 @@ add_library(${LIBRARY_NAME} SHARED ${SRC}) 


target_include_directories(${LIBRARY_NAME} PUBLIC .)



target_link_libraries(${LIBRARY_NAME} PUBLIC xacc::xacc PRIVATE xacc::pauli xacc::fermion)

target_link_libraries(${LIBRARY_NAME} PUBLIC xacc::xacc PRIVATE xacc::quantum_gate)



xacc_configure_library_rpath(${LIBRARY_NAME})

runtime/qcor.cpp

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@@ -6,7 +6,6 @@ 
#include "xacc_service.hpp"

#include "xacc_observable.hpp"



// #include "PauliOperator.hpp"

#include "CountGatesOfTypeVisitor.hpp"

#include "CommonGates.hpp"

runtime/qcor.hpp

+7 −0
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@@ -99,7 +99,11 @@ protected: 
  std::shared_ptr<Accelerator> backend;

  std::shared_ptr<AcceleratorBuffer> buffer;



  std::vector<double> _gradient;

public:



  // Evaluate this ObjectiveFunction at the given params. Optionally

  // compute the gradient as well and set _gradient

  virtual double operator()(const std::vector<double> &params) = 0;

  void initialize(std::shared_ptr<Observable> obs,

                  std::shared_ptr<CompositeInstruction> k,
@@ -360,6 +364,9 @@ public: 


    OptFunction optF(

        [&, objFunction](const std::vector<double> &x) {

          // FIXME For gradient evaluation, just set

          // _gradient vector here. Something like

          // _gradient = objFunction->gradient();

          return objFunction->operator()(x);

        },

        function->nVariables());

runtime/tests/test_simple_kernel.cpp

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#include <gtest/gtest.h>

#include "qcor.hpp"







TEST(test_task_initiate, checkVariations) {



  auto bell = [&](qbit q) {