add missing file

Examples/Framework/src/EventData/Measurement.cpp

@@ -0,0 +1,67 @@
+
+// This file is part of the Acts project.
+//
+// Copyright (C) 2024 CERN for the benefit of the Acts project
+//
+// This Source Code Form is subject to the terms of the Mozilla Public
+// License, v. 2.0. If a copy of the MPL was not distributed with this
+// file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+#include "ActsExamples/EventData/Measurement.hpp"
+
+namespace ActsExamples {
+
+MeasurementContainer::MeasurementContainer() = default;
+
+std::size_t MeasurementContainer::size() const {
+  return m_entries.size();
+}
+
+void MeasurementContainer::reserve(std::size_t size) {
+  m_sourceLinks.reserve(size);
+  m_parameters.reserve(size * 2);
+  m_covariances.reserve(size * 2 * 2);
+  m_subspaceIndices.reserve(size * 2);
+}
+
+std::size_t MeasurementContainer::addMeasurement(std::uint8_t size) {
+  m_subspaceIndices.resize(m_subspaceIndices.size() + size);
+  m_entries.push_back({m_parameters.size(), m_covariances.size(),
+                       m_subspaceIndices.size(), size});
+  m_parameters.resize(m_parameters.size() + size);
+  m_covariances.resize(m_covariances.size() + size * size);
+  return m_entries.size() - 1;
+}
+
+MeasurementContainer::VariableProxy MeasurementContainer::getMeasurement(
+    std::size_t index) {
+  return VariableProxy{*this, index};
+}
+
+MeasurementContainer::ConstVariableProxy MeasurementContainer::getMeasurement(
+    std::size_t index) const {
+  return ConstVariableProxy{*this, index};
+}
+
+MeasurementContainer::VariableProxy MeasurementContainer::makeMeasurement(
+    std::uint8_t size) {
+  return getMeasurement(addMeasurement(size));
+}
+
+MeasurementContainer::Iterator MeasurementContainer::begin() {
+  return Iterator{*this, 0};
+}
+
+MeasurementContainer::Iterator MeasurementContainer::end() {
+  return Iterator{*this, m_entries.size()};
+}
+
+MeasurementContainer::ConstIterator MeasurementContainer::begin() const {
+  return ConstIterator{*this, 0};
+}
+
+MeasurementContainer::ConstIterator MeasurementContainer::end() const {
+  return ConstIterator{*this, m_entries.size()};
+}
+
+}  // namespace ActsExamples