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  1. #include <math.h>
  2. #include <stdio.h>
  3.  
  4. #define PI 3.1415926536
  5. #define TAU (2 * PI)
  6.  
  7. int main(void) {
  8.   double step = 1;
  9.   double start = 4;
  10.   double index;
  11.   for (index = 0; index < TAU; index += step) {
  12.     double curr = fmod(start + index, TAU);
  13.     printf("%d %f\n", (int)curr, curr);
  14.   }
  15.   puts("");
  16.   return 0;
  17. }
Success #stdin #stdout 0.01s 1720KB
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stdin
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Standard input is empty
stdout
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4 4.000000
5 5.000000
6 6.000000
0 0.716815
1 1.716815
2 2.716815
3 3.716815
https://ideone.com/cQaiF
language:
C99 (gcc 8.3)
created:
11 years ago
visibility:
secret

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