[0e1846] | 1 | /**************************************** |
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| 2 | * Computer Algebra System SINGULAR * |
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| 3 | ****************************************/ |
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[416465] | 4 | /* $Id: timer.cc,v 1.13 1999-11-15 17:20:55 obachman Exp $ */ |
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[32df82] | 5 | |
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[0e1846] | 6 | /* |
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| 7 | * ABSTRACT - get the computing time |
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| 8 | */ |
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| 9 | |
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[ea986d] | 10 | #include "mod2.h" |
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| 11 | |
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[0e1846] | 12 | //the mpw timer is quite the same as the dos timer: |
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[1387fc6] | 13 | #ifdef __MWERKS__ |
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[0e1846] | 14 | #define MSDOS |
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| 15 | #endif |
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| 16 | |
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| 17 | int timerv = 0; |
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[40edb03] | 18 | static double timer_resolution = TIMER_RESOLUTION; |
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[ea986d] | 19 | |
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| 20 | static double mintime = 0.5; |
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| 21 | |
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| 22 | void SetTimerResolution(int res) |
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| 23 | { |
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| 24 | timer_resolution = (double) res; |
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| 25 | } |
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| 26 | |
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| 27 | void SetMinDisplayTime(double mtime) |
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| 28 | { |
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| 29 | mintime = mtime; |
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| 30 | } |
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| 31 | |
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[0e1846] | 32 | |
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| 33 | #ifndef MSDOS |
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| 34 | |
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| 35 | /*tested on HP9000/700, HP9000/300, Linux 0.99, SUN Sparc*/ |
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| 36 | #include <stdio.h> |
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| 37 | #include <math.h> |
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| 38 | #include <unistd.h> |
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| 39 | #include <float.h> |
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| 40 | #include <limits.h> |
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| 41 | #include <sys/types.h> |
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[40edb03] | 42 | |
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| 43 | #ifdef TIME_WITH_SYS_TIME |
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| 44 | # include <time.h> |
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[b85a6c] | 45 | # ifdef HAVE_SYS_TIME_H |
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| 46 | # include <sys/time.h> |
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| 47 | # endif |
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[40edb03] | 48 | #else |
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[b85a6c] | 49 | # ifdef HAVE_SYS_TIME_H |
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| 50 | # include <sys/time.h> |
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[40edb03] | 51 | # else |
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| 52 | # include <time.h> |
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| 53 | # endif |
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| 54 | #endif |
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[b85a6c] | 55 | #ifdef HAVE_SYS_TIMES_H |
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| 56 | #include <sys/times.h> |
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| 57 | #endif |
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| 58 | |
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[40edb03] | 59 | |
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[0e1846] | 60 | // need to be adjusted on your machine: the number of ticks per second: HZ |
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| 61 | #ifndef HZ |
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| 62 | #include <sys/param.h> |
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| 63 | #endif |
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| 64 | #if !defined(HZ) && defined(CLOCKS_PER_SEC) |
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| 65 | #define HZ CLOCKS_PER_SEC |
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| 66 | #endif |
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| 67 | #if !defined(HZ) && defined(CLK_TCK) |
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| 68 | #define HZ CLK_TCK |
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| 69 | #endif |
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| 70 | #ifndef HZ |
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| 71 | #ifdef sun |
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| 72 | #define HZ 60.0 |
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| 73 | #else |
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| 74 | #define HZ 100.0 |
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| 75 | #endif |
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| 76 | #endif |
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| 77 | |
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| 78 | #include "timer.h" |
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| 79 | #include "febase.h" |
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| 80 | /*3 |
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| 81 | * the start time of the timer |
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| 82 | */ |
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| 83 | static clock_t startl; |
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| 84 | static clock_t siStartTime; |
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| 85 | |
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| 86 | /*3 |
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| 87 | * temp structure to get the time |
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| 88 | */ |
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| 89 | static struct tms t_rec; |
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| 90 | |
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| 91 | /*0 implementation*/ |
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| 92 | |
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| 93 | int initTimer() |
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| 94 | { |
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| 95 | times(&t_rec); |
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[ed1348] | 96 | siStartTime = t_rec.tms_utime+t_rec.tms_stime; |
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[0e1846] | 97 | return (int)time(NULL); |
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| 98 | } |
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| 99 | |
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| 100 | void startTimer() |
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| 101 | { |
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| 102 | times(&t_rec); |
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[ed1348] | 103 | startl = t_rec.tms_utime+t_rec.tms_stime; |
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[0e1846] | 104 | } |
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| 105 | |
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| 106 | /*2 |
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| 107 | * returns the time since a fixed point in seconds |
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| 108 | */ |
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| 109 | int getTimer() |
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| 110 | { |
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| 111 | clock_t curr; |
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| 112 | |
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| 113 | times(&t_rec); |
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[ed1348] | 114 | curr = t_rec.tms_utime+t_rec.tms_stime - siStartTime; |
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[0e1846] | 115 | |
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[ea986d] | 116 | double f = ((double)curr) * timer_resolution / (double)HZ; |
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[0e1846] | 117 | return (int)(f+0.5); |
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| 118 | } |
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| 119 | |
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| 120 | /*2 |
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| 121 | * stops timer, writes string s and the time since last call of startTimer |
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[ea986d] | 122 | * if this time is > mintime sec |
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[0e1846] | 123 | */ |
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| 124 | void writeTime(void* v) |
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| 125 | { |
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| 126 | clock_t curr; |
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| 127 | |
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| 128 | times(&t_rec); |
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[ed1348] | 129 | curr = t_rec.tms_utime+t_rec.tms_stime - startl; |
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[0e1846] | 130 | |
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[ea986d] | 131 | double f = ((double)curr) / (double)HZ; |
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| 132 | if (f > mintime) |
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| 133 | Print("//%s %.2f sec\n" ,v ,f); |
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| 134 | } |
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| 135 | |
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| 136 | #ifdef HAVE_RTIMER |
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| 137 | /*0 Real timer implementation*/ |
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| 138 | int rtimerv = 0; |
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| 139 | static struct timeval startRl; |
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| 140 | static struct timeval siStartRTime; |
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| 141 | static struct timezone tzp; |
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| 142 | void initRTimer() |
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| 143 | { |
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| 144 | gettimeofday(&startRl, &tzp); |
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[286bd57] | 145 | gettimeofday(&siStartRTime, &tzp); |
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[ea986d] | 146 | } |
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| 147 | |
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| 148 | void startRTimer() |
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| 149 | { |
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| 150 | gettimeofday(&siStartRTime, &tzp); |
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[0e1846] | 151 | } |
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[ea986d] | 152 | |
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| 153 | /*2 |
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| 154 | * returns the time since a fixed point in resolutions |
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| 155 | */ |
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| 156 | int getRTimer() |
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| 157 | { |
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| 158 | struct timeval now; |
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[db242b1] | 159 | |
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[ea986d] | 160 | gettimeofday(&now, &tzp); |
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| 161 | |
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| 162 | if (startRl.tv_usec > now.tv_usec) |
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| 163 | { |
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| 164 | now.tv_usec += 1000000; |
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| 165 | now.tv_sec --; |
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| 166 | } |
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[db242b1] | 167 | |
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[ea986d] | 168 | double f =((double) (now.tv_sec - startRl.tv_sec))*timer_resolution + |
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| 169 | ((double) (now.tv_usec - startRl.tv_usec))*timer_resolution / |
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| 170 | (double) 1000000; |
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[db242b1] | 171 | |
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[ea986d] | 172 | return (int)(f+0.5); |
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| 173 | } |
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| 174 | |
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| 175 | /*2 |
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| 176 | * stops timer, writes string s and the time since last call of startTimer |
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| 177 | * if this time is > mintime |
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| 178 | */ |
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| 179 | void writeRTime(void* v) |
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| 180 | { |
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| 181 | struct timeval now; |
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| 182 | |
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| 183 | gettimeofday(&now, &tzp); |
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| 184 | |
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| 185 | if (siStartRTime.tv_usec > now.tv_usec) |
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| 186 | { |
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| 187 | now.tv_usec += 1000000; |
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| 188 | now.tv_sec --; |
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| 189 | } |
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[db242b1] | 190 | |
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[ea986d] | 191 | double f =((double) (now.tv_sec - siStartRTime.tv_sec)) + |
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| 192 | ((double) (now.tv_usec - siStartRTime.tv_usec)) / |
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| 193 | (double) 1000000; |
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| 194 | |
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| 195 | if (f > mintime) |
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[db242b1] | 196 | Print("//%s %.2f sec \n" ,v ,f); |
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[ea986d] | 197 | } |
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| 198 | #endif |
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| 199 | |
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[f988c9] | 200 | #else /* #defined MSDOS */ |
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[0e1846] | 201 | |
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| 202 | /*tested on MSDOS-GCC, Macintosh*/ |
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| 203 | #include <time.h> |
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| 204 | #include <stdio.h> |
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| 205 | #include <math.h> |
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| 206 | #include <float.h> |
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| 207 | |
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| 208 | #include "timer.h" |
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| 209 | #include "febase.h" |
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| 210 | |
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| 211 | /*3 |
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| 212 | * the start time of the timer |
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| 213 | */ |
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| 214 | static clock_t startl; |
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| 215 | static clock_t siStartTime; |
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| 216 | |
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| 217 | /*2 |
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| 218 | * starts the timer; used with getTime |
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| 219 | */ |
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| 220 | int initTimer() |
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| 221 | { |
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| 222 | siStartTime = clock(); |
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| 223 | return (int)siStartTime; |
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| 224 | } |
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| 225 | |
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| 226 | /*2 |
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| 227 | * starts the timer; used with writeTime |
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| 228 | */ |
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| 229 | void startTimer() |
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| 230 | { |
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| 231 | startl = clock(); |
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| 232 | } |
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| 233 | |
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| 234 | /*2 |
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| 235 | * returns the time since a fixed point in seconds |
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| 236 | */ |
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| 237 | int getTimer() |
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| 238 | { |
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| 239 | clock_t curr = clock() - siStartTime; |
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[ea986d] | 240 | double f = ((double)curr)*timer_resolution/ (double)CLOCKS_PER_SEC; |
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[0e1846] | 241 | return (int)(f+0.5); |
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| 242 | } |
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| 243 | /*2 |
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| 244 | * stops timer, writes string s and the time since last call of startTimer |
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| 245 | * if this time is > 0.5 sec |
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| 246 | */ |
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| 247 | void writeTime(void* v) |
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| 248 | { |
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| 249 | clock_t curr = clock() - startl; |
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| 250 | double f = ((double)curr) / CLOCKS_PER_SEC; |
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[ea986d] | 251 | if (f > mintime) |
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| 252 | Print("//%s %.1f sec\n" ,v ,f); |
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[0e1846] | 253 | } |
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[f988c9] | 254 | #endif /* MSDOS */ |
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