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
|
#include "../util.h"
namespace expected {
#include <math/primeSieve.cpp>
}
#pragma GCC diagnostic ignored "-Wunused-parameter"
#include <math/linearSieve.cpp>
void stress_test() {
expected::primeSieve();
expected::primes.resize(primes.size());
if (expected::primes != primes) cerr << "error: primes" << FAIL;
int queries = 0;
for (int i = 1; i < 1'000'000; i++) {
auto got = sieved[i];
auto expected = naive(i);
if (got != expected) cerr << i << ", got: " << got << ", expected: " << expected << FAIL;
queries++;
}
for (int i = 0; i < 1'000'000; i++) {
ll x = Random::integer<ll>(2, N);
auto got = sieved[x];
auto expected = naive(x);
if (got != expected) cerr << x << ", got: " << got << ", expected: " << expected << FAIL;
queries++;
}
cerr << "tested queries: " << queries << endl;
}
void test_tiny() {
if (mu( 3, 3, 1) != -1) cerr << "error: 1" << FAIL;
if (mu( 9, 3, 2) != 0) cerr << "error: 2" << FAIL;
if (mu(27, 3, 3) != 0) cerr << "error: 3" << FAIL;
if (phi( 3, 3, 1) != 2) cerr << "error: 4" << FAIL;
if (phi( 9, 3, 2) != 6) cerr << "error: 5" << FAIL;
if (phi(27, 3, 3) != 18) cerr << "error: 6" << FAIL;
if (div( 3, 3, 1) != 2) cerr << "error: 7" << FAIL;
if (div( 9, 3, 2) != 3) cerr << "error: 8" << FAIL;
if (div(27, 3, 3) != 4) cerr << "error: 9" << FAIL;
if (divSum( 3, 3, 1) != 4) cerr << "error: 10" << FAIL;
if (divSum( 9, 3, 2) != 13) cerr << "error: 11" << FAIL;
if (divSum(27, 3, 3) != 40) cerr << "error: 12" << FAIL;
if (square( 3, 3, 1) != 1) cerr << "error: 13" << FAIL;
if (square( 9, 3, 2) != 9) cerr << "error: 14" << FAIL;
if (square(27, 3, 3) != 9) cerr << "error: 15" << FAIL;
if (squareFree( 3, 3, 1) != 3) cerr << "error: 13" << FAIL;
if (squareFree( 9, 3, 2) != 3) cerr << "error: 14" << FAIL;
if (squareFree(27, 3, 3) != 3) cerr << "error: 15" << FAIL;
cerr << "tested tiny" << endl;
}
void performance_test() {
timer t;
t.start();
sieve();
hash_t hash = sz(primes);
t.stop();
if (!sanitize) {
if (t.time > 500) cerr << "too slow: " << t.time << FAIL;
cerr << "tested performance: " << t.time << "ms (hash: " << hash << ")" << endl;
}
}
int main() {
performance_test();
stress_test();
test_tiny();
}
|