ceph/src/boost/libs/chrono/example/time2_demo_output.txt

   1 //  time2_demo.output  ----------------------------------------------------------//
   2
   3 //  Copyright 2008 Howard Hinnant
   4 //  Copyright 2008 Beman Dawes
   5
   6 //  Distributed under the Boost Software License, Version 1.0.
   7 //  See http://www.boost.org/LICENSE_1_0.txt
   8
   9 Running basic examples
  10 sleep_for 3000000 microseconds
  11 sleep_for 1 microseconds
  12 sleep_until    10:47:17.728293 which is 4499340 microseconds away
  13 try_lock_for 30000 microseconds
  14 try_lock_until 10:47:17.728285 which is 4499303 microseconds away
  15 wait_for 60000000 microseconds
  16 wait_until     10:47:17.728285 which is 4499264 microseconds away
  17 sleep_for 250000 microseconds
  18 sleep_until    10:47:14.729077 which is 1499979 microseconds away
  19 ***************
  20 * testStdUser *
  21 ***************
  22 100 hours expressed as hours = 100
  23 100 hours expressed as nanoseconds = 360000000000000
  24 200 hours expressed as nanoseconds = 720000000000000
  25 300 hours expressed as nanoseconds = 1080000000000000
  26 hr = ns;  // does not compile
  27 hr * ns;  // does not compile
  28 duration<double> has count() = 2.5
  29 seconds sec = duration<double> won't compile
  30 seconds has count() = 2
  31
  32 *************
  33 * testUser1 *
  34 *************
  35 Speed = 24.5872 meters/sec
  36 Acceleration = 9.81456 meters/sec^2
  37 Distance = 13.5204 meters
  38 There are 125/201168 miles/meter which is approximately 0.000621371
  39 There are 201168/125 meters/mile which is approximately 1609.34
  40 1 attosecond is 1e-18 seconds
  41 sec = as;  // compiles
  42 1 second is 1e+18 attoseconds
  43 as = sec;  // compiles
  44
  45 *************
  46 * testUser2 *
  47 *************
  48 100 years expressed as years = 100
  49 100 years expressed as nanoseconds = 3155695200000000000
  50 200 years expressed as nanoseconds = 6311390400000000000
  51 300 years expressed as nanoseconds = inf
  52 yr = ns;  // does not compile
  53 ps = yr;  // does not compile
  54 100 years expressed as picoseconds = inf
  55 0.1 years expressed as picoseconds = 3155695200000000000
  56 200 million years ago encoded in years: -200000000
  57 200 million years ago encoded in days: -73048500000
  58 200 million years ago encoded in millennium: -200000
  59 Demonstrate "uninitialized protection" behavior:
  60 nan
  61
  62 d = 3e-09
  63 d = 10800
  64 d = 0.666667
  65 d = 10799.999999997
  66 292 years of hours = 2559672hr
  67 Add a nanosecond = 9214819200000000001ns
  68 Find the difference = 1ns
  69 244,000 years of hours = 2138904000hr
  70 Add a microsecond = 7700054400000000001us
  71 Find the difference = 1us
  72 ********* nanoseconds *********
  73 The period of nanoseconds is 1e-09 seconds.
  74 The frequency of nanoseconds is 1e+09 Hz.
  75 The representation is integral
  76 The precision is 1e-09 seconds.
  77 The range is +/- 292.277 years.
  78 sizeof(nanoseconds) = 8
  79 ********* microseconds *********
  80 The period of microseconds is 1e-06 seconds.
  81 The frequency of microseconds is 1e+06 Hz.
  82 The representation is integral
  83 The precision is 1e-06 seconds.
  84 The range is +/- 292277 years.
  85 sizeof(microseconds) = 8
  86 ********* milliseconds *********
  87 The period of milliseconds is 0.001 seconds.
  88 The frequency of milliseconds is 1000 Hz.
  89 The representation is integral
  90 The precision is 0.001 seconds.
  91 The range is +/- 2.92277e+08 years.
  92 sizeof(milliseconds) = 8
  93 ********* seconds *********
  94 The period of seconds is 1 seconds.
  95 The frequency of seconds is 1 Hz.
  96 The representation is integral
  97 The precision is 1 seconds.
  98 The range is +/- 2.92277e+11 years.
  99 sizeof(seconds) = 8
 100 ********* minutes *********
 101 The period of minutes is 60 seconds.
 102 The frequency of minutes is 0.0166667 Hz.
 103 The representation is integral
 104 The precision is 60 seconds.
 105 The range is +/- 4083.06 years.
 106 sizeof(minutes) = 4
 107 ********* hours *********
 108 The period of hours is 3600 seconds.
 109 The frequency of hours is 0.000277778 Hz.
 110 The representation is integral
 111 The precision is 3600 seconds.
 112 The range is +/- 244984 years.
 113 sizeof(hours) = 4
 114 ********* duration<double> *********
 115 The period of duration<double> is 1 seconds.
 116 The frequency of duration<double> is 1 Hz.
 117 The representation is floating point
 118 The precision is the most significant 15 decimal digits.
 119 The range is +/- 5.69666e+300 years.
 120 sizeof(duration<double>) = 8
 121 success
 122 test_with_xtime
 123 {3,251000}
 124 3251 milliseconds
 125 {3,251000}
 126 {3,0}
 127 {3,1}
 128 system_clock test
 129 paused 5001000 nanoseconds
 130 system_clock resolution estimate: 0 nanoseconds
 131 monotonic_clock test
 132 paused 5000181 nanoseconds
 133 monotonic_clock resolution estimate: 97 nanoseconds
 134 high_resolution_clock test
 135 paused 5000277 nanoseconds
 136 high_resolution_clock resolution estimate: 96 nanoseconds
 137 mixed clock test
 138 Add 5 milliseconds to a high_resolution_clock::time_point
 139 Subtracting system_clock::time_point from monotonic_clock::time_point doesn't compile
 140 subtract high_resolution_clock::time_point from monotonic_clock::time_point and add that to a system_clock::time_point
 141 subtract two system_clock::time_point's and output that in microseconds:
 142 5000 microseconds
 143 timeval_demo system clock test
 144 sizeof xtime_clock::time_point = 8
 145 sizeof xtime_clock::duration = 8
 146 sizeof xtime_clock::rep = 8
 147 paused 5001000 nanoseconds
 148 runtime_resolution test
 149 paused 5000205 nanoseconds
 150 C map test
 151 It is now 10:47:13 2008-4-22
 152 Round-tripping through the C interface truncated the precision by 255445 microseconds
 153 2160000
 154 0
 155 3600000
 156 0
 157 2999998997 * 1/1000000000 seconds
 158 0 * 1/1000000000 seconds
 159 15778476000000000 microseconds
 160 paused 5001000 nanoseconds
 161 ********* milliseconds(3) * 2.5 *********
 162 The period of milliseconds(3) * 2.5 is 0.001 seconds.
 163 The frequency of milliseconds(3) * 2.5 is 1000 Hz.
 164 The representation is floating point
 165 The precision is the most significant 15 decimal digits.
 166 The range is +/- 5.69666e+297 years.
 167 sizeof(milliseconds(3) * 2.5) = 8
 168 7.5
 169 milliseconds ms(3.5) doesn't compile
 170
 171 Simulated 400MHz clock which has a tick period of 2.5 nanoseconds
 172 delay = 500 nanoseconds which is 200 cycles
 173 paused 201 cycles which is 502 nanoseconds
 174
 175 Simulated 400MHz clock modeled with nanoseconds
 176 delay = 500 nanoseconds
 177 paused 503 nanoseconds
 178
 179 Simulated 1500MHz clock which has a tick period of 0.666667 nanoseconds
 180 delay = 500 nanoseconds which is 750 cycles
 181 paused 751 cycles which is 500 nanoseconds
 182
 183 Simulated 1500MHz clock modeled with nanoseconds
 184 delay = 500 nanoseconds
 185 paused 500 nanoseconds
 186 duration<unsigned>::min().count()  = 0
 187 duration<unsigned>::zero().count() = 0
 188 duration<unsigned>::max().count()  = 4294967295
 189 duration<int>::min().count()       = -2147483647
 190 duration<int>::zero().count()      = 0
 191 duration<int>::max().count()       = 2147483647