docs: public boolean eq(IntFloatSortedVector other, float delta) {
          // This is slow, but correct.
          IntFloatSortedVector v1 = IntFloatSortedVector.getWithNoZeroValues(this, delta);
          IntFloatSortedVector v2 = IntFloatSortedVector.getWithNoZeroValues(other, delta);
                  
          if (v2.size() != v1.size()) {
              return false;
          }
  
          for (IntFloatEntry ve : v1) {
              if (!Primitives.equals(ve.get(), v2.get(ve.index()), delta)) {
                  return false;
              }
          }
          for (IntFloatEntry ve : v2) {
              if (!Primitives.equals(ve.get(), v1.get(ve.index()), delta)) {
                  return false;
              }
          }
          return true;
      }