Question

How to round float in C

Answer 1

#include <stdio.h> 
#include <math.h>

int main(void) 
{ 
	printf("%.2f\n", roundf(3.14)); 
    printf("%.3f\n", roundf(4.6)); 
    printf("%.4f\n", roundf(-1.3)); 
     
    return 0; 
} 
  
  
  
/*
run:
  
3.00
5.000
-1.0000
 
*/

 

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