ESS_GUIESS_GUI_DocsESS_GUI_batch_fittingESS_GUI_bumps_abstractionESS_GUI_iss1116ESS_GUI_iss879ESS_GUI_iss959ESS_GUI_openclESS_GUI_orderingESS_GUI_sync_sascalccostrafo411magnetic_scattrelease-4.1.1release-4.1.2release-4.2.2release_4.0.1ticket-1009ticket-1094-headlessticket-1242-2d-resolutionticket-1243ticket-1249ticket885unittest-saveload
Last change
on this file since 60ad1d4e was
f2d6445,
checked in by Mathieu Doucet <doucetm@…>, 17 years ago
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moving realSpaceModeling to trunk
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-
Property mode set to
100644
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File size:
1.7 KB
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Rev | Line | |
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[f2d6445] | 1 | /* |
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| 2 | * |
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| 3 | * Mathematical and Computational Sciences Division |
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| 4 | * National Institute of Technology, |
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| 5 | * Gaithersburg, MD USA |
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| 6 | * |
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| 7 | * |
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| 8 | * This software was developed at the National Institute of Standards and |
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| 9 | * Technology (NIST) by employees of the Federal Government in the course |
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| 10 | * of their official duties. Pursuant to title 17 Section 105 of the |
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| 11 | * United States Code, this software is not subject to copyright protection |
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| 12 | * and is in the public domain. NIST assumes no responsibility whatsoever for |
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| 13 | * its use by other parties, and makes no guarantees, expressed or implied, |
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| 14 | * about its quality, reliability, or any other characteristic. |
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| 15 | * |
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| 16 | */ |
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| 17 | |
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| 18 | |
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| 19 | |
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| 20 | #ifndef STOPWATCH_H |
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| 21 | #define STOPWATCH_H |
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| 22 | |
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| 23 | // for clock() and CLOCKS_PER_SEC |
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| 24 | #include <time.h> |
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| 25 | |
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| 26 | |
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| 27 | namespace TNT |
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| 28 | { |
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| 29 | |
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| 30 | inline static double seconds(void) |
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| 31 | { |
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| 32 | const double secs_per_tick = 1.0 / CLOCKS_PER_SEC; |
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| 33 | return ( (double) clock() ) * secs_per_tick; |
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| 34 | } |
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| 35 | |
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| 36 | class Stopwatch { |
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| 37 | private: |
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| 38 | int running_; |
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| 39 | double start_time_; |
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| 40 | double total_; |
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| 41 | |
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| 42 | public: |
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| 43 | inline Stopwatch(); |
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| 44 | inline void start(); |
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| 45 | inline double stop(); |
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| 46 | inline double read(); |
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| 47 | inline void resume(); |
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| 48 | inline int running(); |
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| 49 | }; |
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| 50 | |
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| 51 | inline Stopwatch::Stopwatch() : running_(0), start_time_(0.0), total_(0.0) {} |
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| 52 | |
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| 53 | void Stopwatch::start() |
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| 54 | { |
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| 55 | running_ = 1; |
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| 56 | total_ = 0.0; |
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| 57 | start_time_ = seconds(); |
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| 58 | } |
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| 59 | |
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| 60 | double Stopwatch::stop() |
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| 61 | { |
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| 62 | if (running_) |
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| 63 | { |
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| 64 | total_ += (seconds() - start_time_); |
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| 65 | running_ = 0; |
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| 66 | } |
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| 67 | return total_; |
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| 68 | } |
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| 69 | |
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| 70 | inline void Stopwatch::resume() |
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| 71 | { |
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| 72 | if (!running_) |
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| 73 | { |
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| 74 | start_time_ = seconds(); |
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| 75 | running_ = 1; |
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| 76 | } |
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| 77 | } |
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| 78 | |
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| 79 | |
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| 80 | inline double Stopwatch::read() |
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| 81 | { |
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| 82 | if (running_) |
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| 83 | { |
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| 84 | stop(); |
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| 85 | resume(); |
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| 86 | } |
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| 87 | return total_; |
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| 88 | } |
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| 89 | |
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| 90 | |
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| 91 | } /* TNT namespace */ |
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| 92 | #endif |
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| 93 | |
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| 94 | |
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| 95 | |
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