Squashed 'third_party/google-benchmark/' content from commit 785e2c3
Change-Id: Iaaca5eca89f717081452e643a233e86425b03e89
git-subtree-dir: third_party/google-benchmark
git-subtree-split: 785e2c3158589e8ef48c59ba80e48d76bdbd8902
diff --git a/src/counter.cc b/src/counter.cc
new file mode 100644
index 0000000..cb604e0
--- /dev/null
+++ b/src/counter.cc
@@ -0,0 +1,75 @@
+// Copyright 2015 Google Inc. All rights reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#include "counter.h"
+
+namespace benchmark {
+namespace internal {
+
+double Finish(Counter const& c, int64_t iterations, double cpu_time,
+ double num_threads) {
+ double v = c.value;
+ if (c.flags & Counter::kIsRate) {
+ v /= cpu_time;
+ }
+ if (c.flags & Counter::kAvgThreads) {
+ v /= num_threads;
+ }
+ if (c.flags & Counter::kIsIterationInvariant) {
+ v *= iterations;
+ }
+ if (c.flags & Counter::kAvgIterations) {
+ v /= iterations;
+ }
+ return v;
+}
+
+void Finish(UserCounters* l, int64_t iterations, double cpu_time, double num_threads) {
+ for (auto& c : *l) {
+ c.second.value = Finish(c.second, iterations, cpu_time, num_threads);
+ }
+}
+
+void Increment(UserCounters* l, UserCounters const& r) {
+ // add counters present in both or just in *l
+ for (auto& c : *l) {
+ auto it = r.find(c.first);
+ if (it != r.end()) {
+ c.second.value = c.second + it->second;
+ }
+ }
+ // add counters present in r, but not in *l
+ for (auto const& tc : r) {
+ auto it = l->find(tc.first);
+ if (it == l->end()) {
+ (*l)[tc.first] = tc.second;
+ }
+ }
+}
+
+bool SameNames(UserCounters const& l, UserCounters const& r) {
+ if (&l == &r) return true;
+ if (l.size() != r.size()) {
+ return false;
+ }
+ for (auto const& c : l) {
+ if (r.find(c.first) == r.end()) {
+ return false;
+ }
+ }
+ return true;
+}
+
+} // end namespace internal
+} // end namespace benchmark