public Array3d clone() {
try {
Array3d ret = (Array3d) super.clone();
ret._a = DoubleArray.clone(_a);
return ret;
} catch (CloneNotSupportedException e) {
return null;
}
}
public void shift(double x, double y, double z) {
int xs = (int) Math.round(x / (_lx / _nx));
int ys = (int) Math.round(y / (_ly / _ny));
int zs = (int) Math.round(z / (_lz / _nz));
Array3d scratch = clone();
for (int k = 0; k < _nz; k++) {
int kp = (k + zs + _nz) % _nz;
for (int j = 0; j < _ny; j++) {
int jp = (j + ys + _ny) % _ny;
for (int i = 0; i < _nx; i++) {
int ip = (i + xs + _nx) % _nx;
scratch.set(i, j, k, get(ip, jp, kp));
}
}
}
DoubleArray.copy(scratch._a, _a);
}