surface_timer.hh
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	/* -------------------------------------------------------------------------- */
	#if defined(TIMER) && defined(USING_TIMER)
	/* -------------------------------------------------------------------------- */
	#include <map>
	#include <time.h>
	#include <fstream>
	/* -------------------------------------------------------------------------- */
	extern std::map<std::string,struct timespec> mesT;
	extern std::map<std::string,UInt> nmes;
	extern std::map<std::string,struct timespec> tstart;
	extern std::map<std::string,struct timespec> tstop;
	/* -------------------------------------------------------------------------- */
	#define SEC_IN_NANOSEC 1000000000
	/* -------------------------------------------------------------------------- */

	#define STARTTIMER(x) { \
	if (!mesT.count(x)) { \
	mesT[x].tv_sec = 0; \
	mesT[x].tv_nsec = 0; \
	} \
	clock_gettime(CLOCK_REALTIME,&(tstart[x])); \
	}
	/* -------------------------------------------------------------------------- */

	#define STOPTIMER(x) { \
	clock_gettime(CLOCK_REALTIME,&(tstop[x])); \
	mesT[x].tv_sec += (tstop[x].tv_sec - tstart[x].tv_sec); \
	mesT[x].tv_nsec += (tstop[x].tv_nsec - tstart[x].tv_nsec); \
	if (mesT[x].tv_nsec < 0) { \
	--mesT[x].tv_sec; \
	mesT[x].tv_nsec += SEC_IN_NANOSEC; \
	} \
	if (mesT[x].tv_nsec >= SEC_IN_NANOSEC){ \
	++mesT[x].tv_sec; \
	mesT[x].tv_nsec -= SEC_IN_NANOSEC; \
	} \
	++nmes[x]; \
	}
	/* -------------------------------------------------------------------------- */
	#else
	#define STARTTIMER(x)
	#define STOPTIMER(x)
	#endif
	void dumpTimes(UInt proc_number = 0);