fix(python): Fix elapsed running time

Author: Anton Eriksson

src/utils/Stopwatch.h

@@ -10,9 +10,10 @@
 #ifndef STOPWATCH_H_
 #define STOPWATCH_H_
 
-#ifndef PYTHON
 #include <chrono>
 #include <ratio>
+#include <ostream>
+#include <cmath>
 
 namespace infomap {
 
@@ -99,92 +100,4 @@ class Stopwatch {
 
 } // namespace infomap
 
-#else
-
-#include <ctime>
-
-namespace infomap {
-
-class Stopwatch {
-public:
-  explicit Stopwatch(bool startImmediately)
-      : m_start(0), m_stop(0), m_running(false)
-  {
-    if (startImmediately) {
-      start();
-    }
-  }
-
-  void start()
-  {
-    m_start = std::clock();
-    m_running = true;
-  }
-
-  void reset()
-  {
-    if (m_running)
-      m_start = std::clock();
-  }
-
-  void stop()
-  {
-    if (m_running) {
-      m_stop = std::clock();
-      m_running = false;
-    }
-  }
-
-  double getElapsedTimeInSec() const
-  {
-    clock_t ticks = (m_running ? std::clock() : m_stop) - m_start;
-    return (double)ticks / CLOCKS_PER_SEC;
-  }
-
-  double getElapsedTimeInMilliSec() const
-  {
-    clock_t ticks = (m_running ? std::clock() : m_stop) - m_start;
-    return ticks * 1000.0 / CLOCKS_PER_SEC;
-  }
-
-  static double getElapsedTimeSinceProgramStartInSec()
-  {
-    return (double)std::clock() / CLOCKS_PER_SEC;
-  }
-
-  static double getElapsedTimeSinceProgramStartInMilliSec()
-  {
-    return std::clock() * 1000.0 / CLOCKS_PER_SEC;
-  }
-
-  friend std::ostream& operator<<(std::ostream& out, const Stopwatch& stopwatch)
-  {
-    unsigned int temp = static_cast<unsigned int>(std::floor(stopwatch.getElapsedTimeInMilliSec()));
-    if (temp > 60'000) {
-      if (temp > 3600'000) {
-        if (temp > 86'400'000) {
-          out << temp / 86'400'000 << "d ";
-          temp %= 86'400'000;
-        }
-        out << temp / 3600'000 << "h ";
-        temp %= 3600'000;
-      }
-      out << temp / 60'000 << "m ";
-      temp %= 60'000;
-      out << temp * 1.0 / 1000 << "s";
-    } else {
-      out << stopwatch.getElapsedTimeInSec() << "s";
-    }
-    return out;
-  }
-
-private:
-  std::clock_t m_start, m_stop;
-  bool m_running;
-};
-
-} // namespace infomap
-
-#endif
-
 #endif // STOPWATCH_H_