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How to round a number in c?

 1 year ago
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How to round a number in c?

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Bomhster     2023-05-24 03:28:34

include <stdio.h>

define MAX 23

int main (){ long aListA[MAX] = {2141850,6315308,8021447,62,150,105,7429,19769,63,5673,-3005588,5097005,8379066,8290999,162,10375,8125699,6629167,105,16193,-6523290,164,5266988 }; long aListB[MAX] = {4421758,126,2253209,4,12,6,1888,1928,6,864,-33190,376,-3066051,186,12,1774,679,355,14,1548,2263824,8,205}; long aListC[MAX]; long eMod, i = 0; double fAux;

for(i = 0; i < MAX; i++){
    aListC[i] = aListA[i] / aListB[i];
//  printf("%ld\n", aListC[i]);
    fAux = (double) (aListA[i]) / aListB[i];
//  printf("%f\n", fAux);

    if(aListC[i] < 0){
//      fAux = (double) (aListA[i]) / aListB[i];
//      printf("%f\n", fAux);
        fAux = fAux + aListC[i];
//      printf("%f\n", fAux);

        if(fAux <= -0.5){
            aListC[i] = aListC[i] - 1;
        //  printf("%ld\n", aListC[i]);

        }

    } else {
//      fAux = (float) (aListA[i]) / aListB[i];
//      printf("%f", fAux);
        fAux = fAux - aListC[i];    

        if(fAux >= 0.5){
            aListC[i] = aListC[i] + 1;
        //  printf("%ld\n", aListC[i]);

        }
    }
printf("%ld\n", aListC[i]); 

}

getchar();

return 0;
}

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