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-rw-r--r--timer.h23
1 files changed, 19 insertions, 4 deletions
diff --git a/timer.h b/timer.h
index 1f100cd..68774c5 100644
--- a/timer.h
+++ b/timer.h
@@ -11,16 +11,31 @@
class timer {
private:
typeof(std::chrono::system_clock::now()) start_time;
+ typeof(std::chrono::system_clock::now()) end_time;
+ bool silent;
public:
+ timer() : silent{false} {}
+
+ explicit timer(bool silent) : silent{silent} {}
+
void start_measure() {
- fprintf(stderr, "Start timing...\n");
+ if (!silent) {
+ fprintf(stderr, "Start timing...\n");
+ }
start_time = std::chrono::system_clock::now();
}
void stop_measure() {
- const auto end = std::chrono::system_clock::now();
- const auto duration = std::chrono::duration_cast<std::chrono::nanoseconds>(end - start_time);
+ end_time = std::chrono::system_clock::now();
+ const auto duration = std::chrono::duration_cast<std::chrono::nanoseconds>(end_time - start_time);
const auto secs = 1e-3 * duration.count() * std::chrono::microseconds::period::num / std::chrono::microseconds::period::den;
- fprintf(stderr, "Stop timing. Duration: %fs\n", secs);
+ if (!silent) {
+ fprintf(stderr, "Stop timing. Duration: %fs\n", secs);
+ }
+ }
+
+ // Get seconds elapsed.
+ std::chrono::duration<double> duration() {
+ return end_time - start_time;
}
};