55 lines
701 B
C
55 lines
701 B
C
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#include "aux.h"
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#define timelim 2.0
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long usecs (){
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struct timeval t;
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gettimeofday(&t,NULL);
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return t.tv_sec*1000000+t.tv_usec;
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}
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void mysleep(double sec){
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long s, e;
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s=0; e=0;
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s = usecs();
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while(((double) e-s)/1000000 < sec)
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{
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e = usecs();
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}
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return;
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}
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void func1(int i, int n){
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double x = timelim/((double)n);
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mysleep(x);
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};
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void func2(int i, int n){
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/* double x = 2.0*((double)rand() / (double)RAND_MAX) * timelim / ((double)(n)); */
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/* mysleep(x); */
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double x = 2.0*timelim/ ((double)(n*n));
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mysleep(((double)(i+1))*x);
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};
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void func3(int i, int n){
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double x = 2.0*timelim/ ((double)(n*n));
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mysleep(((double)(n-i))*x);
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};
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