#ifndef __CLAR_LIBGIT2_TIMER__

#define __CLAR_LIBGIT2_TIMER__

struct cl_perf_timer

{

	/* cummulative running time across all start..stop intervals */

	double sum;

	/* value of last start..stop interval */

	double last;

	/* clock value at start */

	double time_started;

};

#define CL_PERF_TIMER_INIT {0}

typedef struct cl_perf_timer cl_perf_timer;

void cl_perf_timer__init(cl_perf_timer *t);

void cl_perf_timer__start(cl_perf_timer *t);

void cl_perf_timer__stop(cl_perf_timer *t);

/**

 * return value of last start..stop interval in seconds.

 */

double cl_perf_timer__last(const cl_perf_timer *t);

/**

 * return cummulative running time across all start..stop

 * intervals in seconds.

 */

double cl_perf_timer__sum(const cl_perf_timer *t);

#endif /* __CLAR_LIBGIT2_TIMER__ */