blob: a9d54d1d495f6264c9013824e9316a75a3206588 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
|
#include "indexer/feature_impl.hpp"
#include "base/string_utils.hpp"
#include "base/logging.hpp"
#include "base/math.hpp"
#include "std/algorithm.hpp"
namespace feature
{
bool IsDigit(int c)
{
return (int('0') <= c && c <= int('9'));
}
bool IsNumber(strings::UniString const & s)
{
for (size_t i = 0; i < s.size(); ++i)
{
// android production ndk-r8d has bug. "еда" detected as a number.
if (!IsDigit(s[i]))
return false;
}
return true;
}
bool IsStreetNumber(strings::UniString const & s)
{
if (s.size() < 2)
return false;
/// add different localities in future, if it's a problem.
for (auto const & streetEnding : {"st", "nd", "rd", "th"})
{
if (strings::EndsWith(strings::ToUtf8(s), streetEnding))
return true;
}
return false;
}
bool IsHouseNumberDeepCheck(strings::UniString const & s)
{
size_t const count = s.size();
if (count == 0)
return false;
if (!IsDigit(s[0]))
return false;
if (IsStreetNumber(s))
return false;
return (count < 8);
}
bool IsHouseNumber(string const & s)
{
return (!s.empty() && IsDigit(s[0]));
}
bool IsHouseNumber(strings::UniString const & s)
{
return (!s.empty() && IsDigit(s[0]));
}
uint8_t PopulationToRank(uint64_t p)
{
return static_cast<uint8_t>(min(0xFF, my::rounds(log(double(p)) / log(1.1))));
}
uint64_t RankToPopulation(uint8_t r)
{
return static_cast<uint64_t>(pow(1.1, r));
}
} // namespace feature
|
