Merge GudhUI, a UI for gudhi based on Qt

git-svn-id: svn+ssh://scm.gforge.inria.fr/svnroot/gudhi/trunk@427 636b058d-ea47-450e-bf9e-a15bfbe3eedb

Former-commit-id: 17fedd974f14a8225b27d94361e835964eeb5cba

1 files changed, 57 insertions, 0 deletions

diff --git a/src/GudhUI/utils/MClock.h b/src/GudhUI/utils/MClock.h
new file mode 100644
index 00000000..b5c7d191
--- /dev/null
+++ b/src/GudhUI/utils/MClock.h
@@ -0,0 +1,57 @@
+/*
+ * Clock.h
+ *
+ *  Created on: Jun 17, 2014
+ *      Author: dsalinas
+ */
+
+#ifndef CLOCK_H_
+#define CLOCK_H_
+
+#include <sys/time.h>
+
+
+class MClock{
+
+public:
+	MClock(){
+		end_called = false;
+		begin();
+	}
+
+	void begin() const{
+		end_called = false;
+		gettimeofday(&startTime, NULL);
+	}
+
+	void end() const{
+		end_called = true;
+		gettimeofday(&endTime, NULL);
+	}
+
+	friend std::ostream& operator<< (std::ostream& stream,const MClock& clock){
+		//		if(!clock.end_called) clock.end();
+		if(!clock.end_called) stream << "end not called";
+		else{
+			long totalTime =  (clock.endTime.tv_sec - clock.startTime.tv_sec) * 1000000L;
+			totalTime += (clock.endTime.tv_usec - clock.startTime.tv_usec);
+			stream << clock.num_seconds() <<"s";
+		}
+		return stream;
+
+	}
+
+	double num_seconds() const{
+		if(!end_called) end();
+		long totalTime =  (endTime.tv_sec - startTime.tv_sec) * 1000000L;
+		totalTime += (endTime.tv_usec - startTime.tv_usec);
+		return (totalTime / 1000L)/(double) 1000;
+	}
+
+private:
+	mutable struct timeval startTime, endTime;
+	mutable bool end_called;
+};
+
+
+#endif /* CLOCK_H_ */