libs/chrono/example/time2_demo_output.txt

//  time2_demo.output  ----------------------------------------------------------//

//  Copyright 2008 Howard Hinnant
//  Copyright 2008 Beman Dawes

//  Distributed under the Boost Software License, Version 1.0.
//  See http://www.boost.org/LICENSE_1_0.txt

Running basic examples
sleep_for 3000000 microseconds
sleep_for 1 microseconds
sleep_until    10:47:17.728293 which is 4499340 microseconds away
try_lock_for 30000 microseconds
try_lock_until 10:47:17.728285 which is 4499303 microseconds away
wait_for 60000000 microseconds
wait_until     10:47:17.728285 which is 4499264 microseconds away
sleep_for 250000 microseconds
sleep_until    10:47:14.729077 which is 1499979 microseconds away
***************
* testStdUser *
***************
100 hours expressed as hours = 100
100 hours expressed as nanoseconds = 360000000000000
200 hours expressed as nanoseconds = 720000000000000
300 hours expressed as nanoseconds = 1080000000000000
hr = ns;  // does not compile
hr * ns;  // does not compile
duration<double> has count() = 2.5
seconds sec = duration<double> won't compile
seconds has count() = 2

*************
* testUser1 *
*************
Speed = 24.5872 meters/sec
Acceleration = 9.81456 meters/sec^2
Distance = 13.5204 meters
There are 125/201168 miles/meter which is approximately 0.000621371
There are 201168/125 meters/mile which is approximately 1609.34
1 attosecond is 1e-18 seconds
sec = as;  // compiles
1 second is 1e+18 attoseconds
as = sec;  // compiles

*************
* testUser2 *
*************
100 years expressed as years = 100
100 years expressed as nanoseconds = 3155695200000000000
200 years expressed as nanoseconds = 6311390400000000000
300 years expressed as nanoseconds = inf
yr = ns;  // does not compile
ps = yr;  // does not compile
100 years expressed as picoseconds = inf
0.1 years expressed as picoseconds = 3155695200000000000
200 million years ago encoded in years: -200000000
200 million years ago encoded in days: -73048500000
200 million years ago encoded in millennium: -200000
Demonstrate "uninitialized protection" behavior:
nan

d = 3e-09
d = 10800
d = 0.666667
d = 10799.999999997
292 years of hours = 2559672hr
Add a nanosecond = 9214819200000000001ns
Find the difference = 1ns
244,000 years of hours = 2138904000hr
Add a microsecond = 7700054400000000001us
Find the difference = 1us
********* nanoseconds *********
The period of nanoseconds is 1e-09 seconds.
The frequency of nanoseconds is 1e+09 Hz.
The representation is integral
The precision is 1e-09 seconds.
The range is +/- 292.277 years.
sizeof(nanoseconds) = 8
********* microseconds *********
The period of microseconds is 1e-06 seconds.
The frequency of microseconds is 1e+06 Hz.
The representation is integral
The precision is 1e-06 seconds.
The range is +/- 292277 years.
sizeof(microseconds) = 8
********* milliseconds *********
The period of milliseconds is 0.001 seconds.
The frequency of milliseconds is 1000 Hz.
The representation is integral
The precision is 0.001 seconds.
The range is +/- 2.92277e+08 years.
sizeof(milliseconds) = 8
********* seconds *********
The period of seconds is 1 seconds.
The frequency of seconds is 1 Hz.
The representation is integral
The precision is 1 seconds.
The range is +/- 2.92277e+11 years.
sizeof(seconds) = 8
********* minutes *********
The period of minutes is 60 seconds.
The frequency of minutes is 0.0166667 Hz.
The representation is integral
The precision is 60 seconds.
The range is +/- 4083.06 years.
sizeof(minutes) = 4
********* hours *********
The period of hours is 3600 seconds.
The frequency of hours is 0.000277778 Hz.
The representation is integral
The precision is 3600 seconds.
The range is +/- 244984 years.
sizeof(hours) = 4
********* duration<double> *********
The period of duration<double> is 1 seconds.
The frequency of duration<double> is 1 Hz.
The representation is floating point
The precision is the most significant 15 decimal digits.
The range is +/- 5.69666e+300 years.
sizeof(duration<double>) = 8
success
test_with_xtime
{3,251000}
3251 milliseconds
{3,251000}
{3,0}
{3,1}
system_clock test
paused 5001000 nanoseconds
system_clock resolution estimate: 0 nanoseconds
monotonic_clock test
paused 5000181 nanoseconds
monotonic_clock resolution estimate: 97 nanoseconds
high_resolution_clock test
paused 5000277 nanoseconds
high_resolution_clock resolution estimate: 96 nanoseconds
mixed clock test
Add 5 milliseconds to a high_resolution_clock::time_point
Subtracting system_clock::time_point from monotonic_clock::time_point doesn't compile
subtract high_resolution_clock::time_point from monotonic_clock::time_point and add that to a system_clock::time_point
subtract two system_clock::time_point's and output that in microseconds:
5000 microseconds
timeval_demo system clock test
sizeof xtime_clock::time_point = 8
sizeof xtime_clock::duration = 8
sizeof xtime_clock::rep = 8
paused 5001000 nanoseconds
runtime_resolution test
paused 5000205 nanoseconds
C map test
It is now 10:47:13 2008-4-22
Round-tripping through the C interface truncated the precision by 255445 microseconds
2160000
0
3600000
0
2999998997 * 1/1000000000 seconds
0 * 1/1000000000 seconds
15778476000000000 microseconds
paused 5001000 nanoseconds
********* milliseconds(3) * 2.5 *********
The period of milliseconds(3) * 2.5 is 0.001 seconds.
The frequency of milliseconds(3) * 2.5 is 1000 Hz.
The representation is floating point
The precision is the most significant 15 decimal digits.
The range is +/- 5.69666e+297 years.
sizeof(milliseconds(3) * 2.5) = 8
7.5
milliseconds ms(3.5) doesn't compile

Simulated 400MHz clock which has a tick period of 2.5 nanoseconds
delay = 500 nanoseconds which is 200 cycles
paused 201 cycles which is 502 nanoseconds

Simulated 400MHz clock modeled with nanoseconds
delay = 500 nanoseconds
paused 503 nanoseconds

Simulated 1500MHz clock which has a tick period of 0.666667 nanoseconds
delay = 500 nanoseconds which is 750 cycles
paused 751 cycles which is 500 nanoseconds

Simulated 1500MHz clock modeled with nanoseconds
delay = 500 nanoseconds
paused 500 nanoseconds
duration<unsigned>::min().count()  = 0
duration<unsigned>::zero().count() = 0
duration<unsigned>::max().count()  = 4294967295
duration<int>::min().count()       = -2147483647
duration<int>::zero().count()      = 0
duration<int>::max().count()       = 2147483647