Question

How to round down a double to the nearest smaller int in C

Answer 1

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

int main(void) {
    printf("%d\n", (int)floor(17.893));
    printf("%d\n", (int)floor(-14.995));
    
    printf("%d\n", (int)17.893);
    printf("%d\n", (int)-14.995);

    return 0;
}



/*
run:

17
-15
17
-14

*/

 

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