Question

How to round a floating-point number to an integer in C

Answer 1

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

int main() {
    float x = 9382.4;
    int y = (int)floorf(x + 0.5f);
    printf("%d\n", y);
    
    x = 9382.5;
    y = (int)floorf(x + 0.5f);
    printf("%d\n", y);
    
    return 0;
}

  
/*
run:
  
9382
9383
  
*/

 

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