>>> from hooke import compara_k

>>> compara_k(0.9,6.3,0.3,2.1,1e-16)
2
>>> compara_k(0.9,6.3,0.3,2.1,0.01)
0
>>> compara_k(0.9,6.3,0.299,2.1,0.01)
2
>>> compara_k(0.8996,6.3,0.3,2.1,1e-3)
1


>>> compara_k(0.901,6.3,0.3,2.1,1e-3)
2
>>> compara_k(0.901,6.3,0.3,2.1,1e-2)
0
>>> compara_k(0.8996,6.3,0.3,2.1,1e-2)
0