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  1. #include<stdlib.h>
  2. #include<math.h>
  3.  
  4. double round_down(double value, int decimals) {
  5.     double multipliers = pow(10, decimals);
  6.     return (int)(value*multipliers)/multipliers;
  7. }
  8.  
  9. int main() {
  10.     printf("%.1f", round_down(2.2727, 1));
  11.     return 0;
  12. }
Success #stdin #stdout 0s 1788KB
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2.2
https://ideone.com/8tL2vB
language:
C (gcc 8.3)
created:
13 years ago
visibility:
public

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