53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
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return
}
// Returns an integer from a fibonacci code as specified in the package doc.
func (f Numbers) Decode(value uint64) (result uint64) {
i := 1
for (value & 3) != 3 {
if (value & 1) == 1 {
result += f.Nth(i)
}
|
>
|
>
>
>
>
>
>
|
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
|
return
}
// Returns an integer from a fibonacci code as specified in the package doc.
func (f Numbers) Decode(value uint64) (result uint64) {
i := 1
for (value & 3) != 3 {
// Add the fibonacci number for the current bit if it is raised
if (value & 1) == 1 {
result += f.Nth(i)
// We know that the next bit cannot be raised by Zeckendorf's theorem
value >>= 2
i += 2
continue
}
value >>= 1
i++
}
result += f.Nth(i) - 1
return
}
|