/*! ========================================================================

** Extended Template and Library Test Suite

** Clock Test

** $Id$

**

** Copyright (c) 2002 Robert B. Quattlebaum Jr.

**

** This package is free software; you can redistribute it and/or

** modify it under the terms of the GNU General Public License as

** published by the Free Software Foundation; either version 2 of

** the License, or (at your option) any later version.

**

** This package is distributed in the hope that it will be useful,

** but WITHOUT ANY WARRANTY; without even the implied warranty of

** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

** General Public License for more details.

**

** === N O T E S ===========================================================

**

** ========================================================================= */

/* === H E A D E R S ======================================================= */

#include <etl clock=""></etl>

#include <stdio.h></stdio.h>

/* === M A C R O S ========================================================= */

using namespace etl;

/* === C L A S S E S ======================================================= */

/* === P R O C E D U R E S ================================================= */

int basic_test(void)

{

	int ret=0;

	fprintf(stderr,"default etl::clock precision:  %0.8f\n",etl::clock::precision());

	fprintf(stderr,"realtime etl::clock precision: %0.8f\n",etl::clock_realtime::precision());

	fprintf(stderr,"proctime etl::clock precision: %0.8f\n",etl::clock_proctime::precision());

	etl::clock_realtime timer;

	etl::clock::value_type amount,total;

	for(amount=3.0;amount>=0.00015;amount/=2.0)

	{

		if(amount*1000000.0<1000.0f)

			fprintf(stderr,"waiting %f microseconds...\n",amount*1000000.0);

		else if(amount*1000.0<400.0f)

			fprintf(stderr,"waiting %f milliseconds...\n",amount*1000.0);

		else

			fprintf(stderr,"waiting %f seconds...\n",amount);

		timer.reset();

		etl::clock::sleep(amount);

		total=timer();

		if((total-amount)*1000000.0<1000.0f)

			fprintf(stderr," ** I waited %f seconds, error of %f microseconds\n",total,(total-amount)*1000000);

		else if((total-amount)*1000.0<400.0f)

			fprintf(stderr," ** I waited %f seconds, error of %f milliseconds\n",total,(total-amount)*1000);

		else

			fprintf(stderr," ** I waited %f seconds, error of %f seconds\n",total,total-amount);

	}

	return ret;

}

/* === E N T R Y P O I N T ================================================= */

int main()

{

	int error=0;

	error+=basic_test();

	return error;

}