Question

How to check if a float is a whole number in C

Answer 1

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

int main(void) {
    float number = 1298736.0;

    if (floor(number) == number) {
        puts("whole number");
    }
    else {
        puts("float number");
    }

    return 0;
}




/*
run:

whole number

*/

 

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