[0e1846] | 1 | /**************************************** |
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| 2 | * Computer Algebra System SINGULAR * |
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| 3 | ****************************************/ |
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[a6815b] | 4 | static char rcsid[] = "$Id: timer.cc,v 1.4 1997-03-27 20:37:17 obachman Exp $"; |
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[0e1846] | 5 | /* |
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| 6 | * ABSTRACT - get the computing time |
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| 7 | */ |
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| 8 | |
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[ea986d] | 9 | #include "mod2.h" |
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| 10 | |
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[0e1846] | 11 | //the mpw timer is quite the same as the dos timer: |
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| 12 | #ifdef macintosh |
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| 13 | #define MSDOS |
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| 14 | #endif |
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| 15 | |
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| 16 | int timerv = 0; |
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[ea986d] | 17 | #ifdef TIME_SEC |
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| 18 | static double timer_resolution = 1.0; |
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| 19 | #else |
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| 20 | static double timer_resolution = 10.0; |
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| 21 | #endif |
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| 22 | |
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| 23 | static double mintime = 0.5; |
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| 24 | |
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| 25 | void SetTimerResolution(int res) |
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| 26 | { |
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| 27 | timer_resolution = (double) res; |
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| 28 | } |
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| 29 | |
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| 30 | void SetMinDisplayTime(double mtime) |
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| 31 | { |
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| 32 | mintime = mtime; |
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| 33 | } |
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| 34 | |
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[0e1846] | 35 | |
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| 36 | #ifndef MSDOS |
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| 37 | |
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| 38 | /*tested on HP9000/700, HP9000/300, Linux 0.99, SUN Sparc*/ |
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| 39 | #include <time.h> |
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| 40 | #include <stdio.h> |
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| 41 | #include <math.h> |
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| 42 | #include <unistd.h> |
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| 43 | #include <float.h> |
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| 44 | #include <limits.h> |
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| 45 | #include <sys/types.h> |
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| 46 | #include <sys/times.h> |
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| 47 | // need to be adjusted on your machine: the number of ticks per second: HZ |
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| 48 | #ifndef HZ |
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| 49 | #include <sys/param.h> |
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| 50 | #endif |
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| 51 | #if !defined(HZ) && defined(CLOCKS_PER_SEC) |
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| 52 | #define HZ CLOCKS_PER_SEC |
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| 53 | #endif |
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| 54 | #if !defined(HZ) && defined(CLK_TCK) |
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| 55 | #define HZ CLK_TCK |
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| 56 | #endif |
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| 57 | #ifndef HZ |
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| 58 | #ifdef sun |
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| 59 | #define HZ 60.0 |
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| 60 | #else |
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| 61 | #define HZ 100.0 |
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| 62 | #endif |
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| 63 | #endif |
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| 64 | |
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| 65 | #include "timer.h" |
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| 66 | #include "febase.h" |
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| 67 | /*3 |
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| 68 | * the start time of the timer |
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| 69 | */ |
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| 70 | static clock_t startl; |
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| 71 | static clock_t siStartTime; |
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| 72 | |
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| 73 | /*3 |
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| 74 | * temp structure to get the time |
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| 75 | */ |
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| 76 | static struct tms t_rec; |
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| 77 | |
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| 78 | /*0 implementation*/ |
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| 79 | |
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| 80 | int initTimer() |
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| 81 | { |
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| 82 | times(&t_rec); |
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| 83 | siStartTime = t_rec.tms_utime; |
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| 84 | return (int)time(NULL); |
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| 85 | } |
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| 86 | |
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| 87 | void startTimer() |
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| 88 | { |
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| 89 | times(&t_rec); |
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| 90 | startl = t_rec.tms_utime; |
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| 91 | } |
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| 92 | |
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| 93 | /*2 |
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| 94 | * returns the time since a fixed point in seconds |
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| 95 | */ |
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| 96 | int getTimer() |
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| 97 | { |
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| 98 | clock_t curr; |
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| 99 | |
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| 100 | times(&t_rec); |
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| 101 | curr = t_rec.tms_utime - siStartTime; |
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| 102 | |
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[ea986d] | 103 | double f = ((double)curr) * timer_resolution / (double)HZ; |
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[0e1846] | 104 | return (int)(f+0.5); |
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| 105 | } |
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| 106 | |
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| 107 | /*2 |
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| 108 | * stops timer, writes string s and the time since last call of startTimer |
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[ea986d] | 109 | * if this time is > mintime sec |
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[0e1846] | 110 | */ |
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| 111 | void writeTime(void* v) |
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| 112 | { |
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| 113 | clock_t curr; |
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| 114 | |
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| 115 | times(&t_rec); |
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| 116 | curr = t_rec.tms_utime - startl; |
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| 117 | |
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[ea986d] | 118 | double f = ((double)curr) / (double)HZ; |
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| 119 | if (f > mintime) |
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| 120 | Print("//%s %.2f sec\n" ,v ,f); |
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| 121 | } |
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| 122 | |
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| 123 | #ifdef HAVE_RTIMER |
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| 124 | #include <sys/time.h> |
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| 125 | /*0 Real timer implementation*/ |
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| 126 | int rtimerv = 0; |
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| 127 | static struct timeval startRl; |
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| 128 | static struct timeval siStartRTime; |
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| 129 | static struct timezone tzp; |
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| 130 | void initRTimer() |
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| 131 | { |
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| 132 | gettimeofday(&startRl, &tzp); |
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[a6815b] | 133 | gettimeofday(&iStartRTime, &tzp); |
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[ea986d] | 134 | } |
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| 135 | |
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| 136 | void startRTimer() |
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| 137 | { |
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| 138 | gettimeofday(&siStartRTime, &tzp); |
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[0e1846] | 139 | } |
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[ea986d] | 140 | |
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| 141 | /*2 |
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| 142 | * returns the time since a fixed point in resolutions |
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| 143 | */ |
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| 144 | int getRTimer() |
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| 145 | { |
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| 146 | struct timeval now; |
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| 147 | |
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| 148 | gettimeofday(&now, &tzp); |
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| 149 | |
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| 150 | if (startRl.tv_usec > now.tv_usec) |
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| 151 | { |
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| 152 | now.tv_usec += 1000000; |
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| 153 | now.tv_sec --; |
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| 154 | } |
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| 155 | |
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| 156 | double f =((double) (now.tv_sec - startRl.tv_sec))*timer_resolution + |
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| 157 | ((double) (now.tv_usec - startRl.tv_usec))*timer_resolution / |
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| 158 | (double) 1000000; |
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| 159 | |
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| 160 | return (int)(f+0.5); |
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| 161 | } |
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| 162 | |
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| 163 | /*2 |
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| 164 | * stops timer, writes string s and the time since last call of startTimer |
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| 165 | * if this time is > mintime |
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| 166 | */ |
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| 167 | void writeRTime(void* v) |
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| 168 | { |
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| 169 | struct timeval now; |
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| 170 | |
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| 171 | gettimeofday(&now, &tzp); |
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| 172 | |
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| 173 | if (siStartRTime.tv_usec > now.tv_usec) |
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| 174 | { |
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| 175 | now.tv_usec += 1000000; |
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| 176 | now.tv_sec --; |
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| 177 | } |
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| 178 | |
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| 179 | double f =((double) (now.tv_sec - siStartRTime.tv_sec)) + |
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| 180 | ((double) (now.tv_usec - siStartRTime.tv_usec)) / |
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| 181 | (double) 1000000; |
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| 182 | |
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| 183 | if (f > mintime) |
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| 184 | Print("//%s %.2f sec \n" ,v ,f); |
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| 185 | } |
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| 186 | #endif |
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| 187 | |
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[0e1846] | 188 | #else |
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| 189 | |
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| 190 | /*tested on MSDOS-GCC, Macintosh*/ |
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| 191 | #include <time.h> |
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| 192 | #include <stdio.h> |
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| 193 | #include <math.h> |
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| 194 | #include <float.h> |
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| 195 | |
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| 196 | #include "mod2.h" |
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| 197 | #include "timer.h" |
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| 198 | #include "febase.h" |
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| 199 | |
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| 200 | /*3 |
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| 201 | * the start time of the timer |
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| 202 | */ |
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| 203 | static clock_t startl; |
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| 204 | static clock_t siStartTime; |
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| 205 | |
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| 206 | /*2 |
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| 207 | * starts the timer; used with getTime |
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| 208 | */ |
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| 209 | int initTimer() |
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| 210 | { |
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| 211 | siStartTime = clock(); |
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| 212 | return (int)siStartTime; |
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| 213 | } |
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| 214 | |
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| 215 | /*2 |
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| 216 | * starts the timer; used with writeTime |
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| 217 | */ |
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| 218 | void startTimer() |
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| 219 | { |
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| 220 | startl = clock(); |
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| 221 | } |
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| 222 | |
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| 223 | /*2 |
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| 224 | * returns the time since a fixed point in seconds |
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| 225 | */ |
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| 226 | int getTimer() |
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| 227 | { |
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| 228 | clock_t curr = clock() - siStartTime; |
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[ea986d] | 229 | double f = ((double)curr)*timer_resolution/ (double)CLOCKS_PER_SEC; |
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[0e1846] | 230 | return (int)(f+0.5); |
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| 231 | } |
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| 232 | /*2 |
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| 233 | * stops timer, writes string s and the time since last call of startTimer |
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| 234 | * if this time is > 0.5 sec |
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| 235 | */ |
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| 236 | void writeTime(void* v) |
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| 237 | { |
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| 238 | clock_t curr = clock() - startl; |
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| 239 | double f = ((double)curr) / CLOCKS_PER_SEC; |
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[ea986d] | 240 | if (f > mintime) |
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| 241 | Print("//%s %.1f sec\n" ,v ,f); |
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[0e1846] | 242 | } |
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| 243 | #endif |
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