Added Cppmicroservices boilerplate for QAOA algo

Signed-off-by: Thien Nguyen <nguyentm@ornl.gov>

quantum/plugins/algorithms/CMakeLists.txt

@@ -15,6 +15,7 @@ add_subdirectory(rdm)
 add_subdirectory(ml)
 add_subdirectory(rotoselect)
 add_subdirectory(qpt)
+add_subdirectory(qaoa)
 
 file(GLOB PYDECORATORS ${CMAKE_CURRENT_SOURCE_DIR}/vqe/python/*.py
                        ${CMAKE_CURRENT_SOURCE_DIR}/ml/ddcl/python/*.py)

quantum/plugins/algorithms/qaoa/CMakeLists.txt

+# *******************************************************************************
+# Copyright (c) 2019 UT-Battelle, LLC.
+# All rights reserved. This program and the accompanying materials
+# are made available under the terms of the Eclipse Public License v1.0
+# and Eclipse Distribution License v.10 which accompany this distribution.
+# The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html
+# and the Eclipse Distribution License is available at
+# https://eclipse.org/org/documents/edl-v10.php
+#
+# Contributors:
+#   Thien Nguyen - initial API and implementation
+# *******************************************************************************/
+set(LIBRARY_NAME xacc-algorithm-qaoa)
+
+file(GLOB SRC *.cpp)
+
+usfunctiongetresourcesource(TARGET ${LIBRARY_NAME} OUT SRC)
+usfunctiongeneratebundleinit(TARGET ${LIBRARY_NAME} OUT SRC)
+
+add_library(${LIBRARY_NAME} SHARED ${SRC})
+
+target_include_directories(
+  ${LIBRARY_NAME}
+  PUBLIC .)
+
+target_link_libraries(${LIBRARY_NAME} PUBLIC xacc CppMicroServices)
+
+set(_bundle_name xacc_algorithm_qaoa)
+set_target_properties(${LIBRARY_NAME}
+                      PROPERTIES COMPILE_DEFINITIONS
+                                 US_BUNDLE_NAME=${_bundle_name}
+                                 US_BUNDLE_NAME
+                                 ${_bundle_name})
+
+usfunctionembedresources(TARGET
+                         ${LIBRARY_NAME}
+                         WORKING_DIRECTORY
+                         ${CMAKE_CURRENT_SOURCE_DIR}
+                         FILES
+                         manifest.json)
+
+if(APPLE)
+  set_target_properties(${LIBRARY_NAME}
+                        PROPERTIES INSTALL_RPATH "@loader_path/../lib")
+  set_target_properties(${LIBRARY_NAME}
+                        PROPERTIES LINK_FLAGS "-undefined dynamic_lookup")
+else()
+  set_target_properties(${LIBRARY_NAME}
+                        PROPERTIES INSTALL_RPATH "$ORIGIN/../lib")
+  set_target_properties(${LIBRARY_NAME} PROPERTIES LINK_FLAGS "-shared")
+endif()
+
+if(XACC_BUILD_TESTS)
+  # TODO: add tests
+  #add_subdirectory(tests)
+endif()
+
+install(TARGETS ${LIBRARY_NAME} DESTINATION ${CMAKE_INSTALL_PREFIX}/plugins)

quantum/plugins/algorithms/qaoa/QAOAActivator.cpp

+/*******************************************************************************
+ * Copyright (c) 2019 UT-Battelle, LLC.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * and Eclipse Distribution License v1.0 which accompanies this
+ * distribution. The Eclipse Public License is available at
+ * http://www.eclipse.org/legal/epl-v10.html and the Eclipse Distribution
+ *License is available at https://eclipse.org/org/documents/edl-v10.php
+ *
+ * Contributors:
+ *   Thien Nguyen - initial API and implementation
+ *******************************************************************************/
+#include "qaoa.hpp"
+
+#include "cppmicroservices/BundleActivator.h"
+#include "cppmicroservices/BundleContext.h"
+#include "cppmicroservices/ServiceProperties.h"
+
+#include <memory>
+#include <set>
+
+using namespace cppmicroservices;
+
+namespace {
+
+/**
+ */
+class US_ABI_LOCAL QAOAActivator : public BundleActivator {
+
+public:
+  QAOAActivator() {}
+
+  /**
+   */
+  void Start(BundleContext context) {
+    auto c = std::make_shared<xacc::algorithm::QAOA>();
+    context.RegisterService<xacc::Algorithm>(c);
+  }
+
+  /**
+   */
+  void Stop(BundleContext /*context*/) {}
+};
+
+} // namespace
+
+CPPMICROSERVICES_EXPORT_BUNDLE_ACTIVATOR(QAOAActivator)

quantum/plugins/algorithms/qaoa/manifest.json

+{
+  "bundle.symbolic_name" : "xacc_algorithm_qaoa",
+  "bundle.activator" : true,
+  "bundle.name" : "XACC QAOA Algorithm",
+  "bundle.description" : ""
+}

quantum/plugins/algorithms/qaoa/qaoa.cpp

+/*******************************************************************************
+ * Copyright (c) 2019 UT-Battelle, LLC.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * and Eclipse Distribution License v1.0 which accompanies this
+ * distribution. The Eclipse Public License is available at
+ * http://www.eclipse.org/legal/epl-v10.html and the Eclipse Distribution
+ *License is available at https://eclipse.org/org/documents/edl-v10.php
+ *
+ * Contributors:
+ *   Thien Nguyen - initial API and implementation
+ *******************************************************************************/
+#include "qaoa.hpp"
+
+namespace xacc {
+namespace algorithm {
+bool QAOA::initialize(const HeterogeneousMap& parameters) {
+    // TODO
+    return true;
+}
+
+const std::vector<std::string> QAOA::requiredParameters() const 
+{
+    // TODO
+    return {};
+}
+
+void QAOA::execute(const std::shared_ptr<AcceleratorBuffer> buffer) const 
+{
+    // TODO
+}
+
+std::vector<double> QAOA::execute(const std::shared_ptr<AcceleratorBuffer> buffer, const std::vector<double>& x) 
+{
+    // TODO
+    return {};
+}
+
+} // namespace algorithm
+} // namespace xacc
\ No newline at end of file

quantum/plugins/algorithms/qaoa/qaoa.hpp

+/*******************************************************************************
+ * Copyright (c) 2019 UT-Battelle, LLC.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * and Eclipse Distribution License v1.0 which accompanies this
+ * distribution. The Eclipse Public License is available at
+ * http://www.eclipse.org/legal/epl-v10.html and the Eclipse Distribution
+ *License is available at https://eclipse.org/org/documents/edl-v10.php
+ *
+ * Contributors:
+ *   Thien Nguyen - initial API and implementation
+ *******************************************************************************/
+#pragma once
+
+#include "Algorithm.hpp"
+
+namespace xacc {
+namespace algorithm {
+class QAOA : public Algorithm 
+{
+public:
+    bool initialize(const HeterogeneousMap& parameters) override;
+    const std::vector<std::string> requiredParameters() const override;
+    void execute(const std::shared_ptr<AcceleratorBuffer> buffer) const override;
+    std::vector<double> execute(const std::shared_ptr<AcceleratorBuffer> buffer, const std::vector<double> &parameters) override;
+    const std::string name() const override { return "QAOA"; }
+    const std::string description() const override { return ""; }
+    DEFINE_ALGORITHM_CLONE(QAOA)
+};
+} // namespace algorithm
+} // namespace xacc