public int compareTo(Object obj) {
F32Vector vec2 = (F32Vector) obj;
float[] arr1 = data;
float[] arr2 = vec2.data;
int n1 = size();
int n2 = vec2.size();
IntSequence inds1 = getIndexesForce();
IntSequence inds2 = vec2.getIndexesForce();
int n = n1 > n2 ? n2 : n1;
for (int i = 0; i < n; i++) {
float v1 = arr1[inds1.intAt(i)];
float v2 = arr2[inds2.intAt(i)];
if (v1 != v2) return v1 > v2 ? 1 : -1;
}
return n1 - n2;
}