static void cubeRound()

in h3_localij.c [632:653]

• 18 lines of code
• 4 McCabe index (conditional complexity)

static void cubeRound(double i, double j, double k, CoordIJK *ijk) {
    int ri = round(i);
    int rj = round(j);
    int rk = round(k);

    double iDiff = fabs((double)ri - i);
    double jDiff = fabs((double)rj - j);
    double kDiff = fabs((double)rk - k);

    // Round, maintaining valid cube coords
    if (iDiff > jDiff && iDiff > kDiff) {
        ri = -rj - rk;
    } else if (jDiff > kDiff) {
        rj = -ri - rk;
    } else {
        rk = -ri - rj;
    }

    ijk->i = ri;
    ijk->j = rj;
    ijk->k = rk;
}