Commit e225f927 authored by Nguyen, Thien Minh's avatar Nguyen, Thien Minh
Browse files

Added qsim QITE test 



Signed-off-by: default avatarThien Nguyen <nguyentm@ornl.gov>
parent 94c27726

lib/qsim/impls/workflow/qite.cpp

+1 −1
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@@ -104,10 +104,10 @@ QiteWorkflow::execute(const QuantumSimulationModel &model) { 
  };

  

  // Cost function (observable) evaluator

  evaluator = getEvaluator(model.observable, config_params);

  auto calcCurrentEnergy = [&](){

    // Trotter kernel up to this point

    auto propagateKernel = constructPropagateCircuit(approxOps, model.user_defined_ansatz, stepSize);

    evaluator = getEvaluator(model.observable, config_params);

    return evaluator->evaluate(propagateKernel);

  };

lib/qsim/impls/workflow/tests/CMakeLists.txt

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@@ -9,3 +9,8 @@ add_executable(QaoaWorkflowTester QaoaWorkflowTester.cpp) 
add_test(NAME QaoaWorkflowTester COMMAND QaoaWorkflowTester)

target_include_directories(QaoaWorkflowTester PRIVATE ../../ ../../../base ${XACC_ROOT}/include/gtest)

target_link_libraries(QaoaWorkflowTester ${XACC_TEST_LIBRARIES} xacc::xacc xacc::quantum_gate qcor-qsim)



add_executable(QiteWorkflowTester QiteWorkflowTester.cpp)

add_test(NAME QiteWorkflowTester COMMAND QiteWorkflowTester)

target_include_directories(QiteWorkflowTester PRIVATE ../../ ../../../base ${XACC_ROOT}/include/gtest)

target_link_libraries(QiteWorkflowTester ${XACC_TEST_LIBRARIES} xacc::xacc xacc::quantum_gate qcor-qsim)
 
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lib/qsim/impls/workflow/tests/QiteWorkflowTester.cpp

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#include "qcor.hpp"

#include "qcor_qsim.hpp"

#include "xacc.hpp"

#include <gtest/gtest.h>



TEST(QiteWorkflowTester, checkSimple) {

  using namespace qcor;

  auto observable = 0.7071067811865475 * X(0) + 0.7071067811865475 * Z(0);

  xacc::internal_compiler::qpu = xacc::getAccelerator("qpp");

  const int nbSteps = 25;

  const double stepSize = 0.1;

  auto problemModel = qsim::ModelBuilder::createModel(&observable);

  auto workflow =

      qsim::getWorkflow("qite", {{"steps", nbSteps}, {"step-size", stepSize}});

  auto result = workflow->execute(problemModel);

  const auto energy = result.get<double>("energy");

  const auto energyAtStep = result.get<std::vector<double>>("exp-vals");

  for (const auto &val : energyAtStep) {

    std::cout << val << "\n";

  }

  // Minimal Energy = -1

  EXPECT_NEAR(energy, -1.0, 1e-2);

  auto finalCircuit = result.getPointerLike<xacc::CompositeInstruction>("circuit");

  std::cout << "HOWDY:\n" << finalCircuit->toString() << "\n";

}



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

  xacc::Initialize();

  ::testing::InitGoogleTest(&argc, argv);

  auto ret = RUN_ALL_TESTS();

  xacc::Finalize();

  return ret;

}
 
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