forked from UVMCS120BS2020/AB-KR-LF-MW-Project4
-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathmain.cpp
130 lines (116 loc) · 5.03 KB
/
main.cpp
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
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
#include "bankAccount.h"
#include "Randomizer.h"
#include <iostream>
#include <ctime>
#include <random>
#include <vector>
using namespace std;
vector<BankAccount> generateBankAccounts(int numBankAccounts);
void testShuffleMethods(Randomizer<BankAccount> &randomizer, int numTrials);
double testBaseline(Randomizer<BankAccount> &randomizer, int numTrials);
double testCppShuffle(Randomizer<BankAccount> &randomizer, int numTrials);
double testLFshuffle(Randomizer<BankAccount> &randomizer, int numTrials);
double testMWshuffle(Randomizer<BankAccount> &randomizer, int numTrials);
double testABshuffle(Randomizer<BankAccount> &randomizer, int numTrials);
double testKRshuffle(Randomizer<BankAccount> &randomizer, int numTrials);
int main() {
time_t now = time(0);
srand(now);
//populate randomizer, different lengths
Randomizer<BankAccount> randomizer;
vector<BankAccount> accounts1 = generateBankAccounts(10);
vector<BankAccount> accounts2 = generateBankAccounts(25);
vector<BankAccount> accounts3 = generateBankAccounts(50);
randomizer.setList(accounts1);
int numTrials = 100;
cout << "\n10 ACCOUNTS" << endl;
testShuffleMethods(randomizer, numTrials);
cout << "\n25 ACCOUNTS" << endl;
randomizer.setList(accounts2);
testShuffleMethods(randomizer, numTrials);
cout << "\n50 ACCOUNTS" << endl;
randomizer.setList(accounts3);
testShuffleMethods(randomizer, numTrials);
return 0;
}
vector<BankAccount> generateBankAccounts(int numBankAccounts) {
vector<BankAccount> accounts;
int maxBalance = 1000000;
double maxCents = 0.09;
double maxInterestRate = 0.05;
for (int i = 0; i < numBankAccounts; ++i) {
BankAccount account;
account.setID(i);
account.setBalance((rand() % maxBalance) + ((float)rand() / (RAND_MAX + maxCents)));
account.setInterestRate((rand() / (RAND_MAX + maxInterestRate)));
accounts.push_back(account);
}
return accounts;
}
void testShuffleMethods(Randomizer<BankAccount> &randomizer, int numTrials) {
double baselineRandomness = testBaseline(randomizer, numTrials);
double cppRandomness = testCppShuffle(randomizer, numTrials);
double LFRandomness = testLFshuffle(randomizer, numTrials);
double MWRandomness = testMWshuffle(randomizer, numTrials);
double ABRandomness = testABshuffle(randomizer, numTrials);
double KRRandomness = testKRshuffle(randomizer, numTrials);
cout << "Randomness for " << numTrials << " trials:" << endl;
cout << "non-rand =\t" << baselineRandomness << endl;
cout << "c++-rand =\t" << cppRandomness << endl;
cout << "LF-rand =\t" << LFRandomness << endl;
cout << "MW-rand =\t" << MWRandomness << endl;
cout << "AB-rand =\t" << ABRandomness << endl;
cout << "KR-rand = \t" << KRRandomness << endl;
}
double testBaseline(Randomizer<BankAccount> &randomizer, int numTrials) {
vector<vector<BankAccount>> reversedVectors;
vector<BankAccount> vect = randomizer.sort(randomizer.getList());
reverse(vect.begin(),vect.end());
for (int i = 0; i < numTrials; ++i) {
reversedVectors.push_back(vect);
}
return randomizer.calculateRandomness(reversedVectors);
}
double testCppShuffle(Randomizer<BankAccount> &randomizer, int numTrials) {
vector<vector<BankAccount>> shuffledVectors;
for (int i = 0; i < numTrials; ++i) {
unsigned seed = chrono::duration_cast<chrono::milliseconds>
(chrono::system_clock::now().time_since_epoch()).count();
vector<BankAccount> vect = randomizer.getList();
shuffle(vect.begin(), vect.end(), std::default_random_engine(seed));
shuffledVectors.push_back(vect);
}
return randomizer.calculateRandomness(shuffledVectors);
}
double testLFshuffle(Randomizer<BankAccount> &randomizer, int numTrials) {
vector<vector<BankAccount>> shuffledVectors;
for (int i = 0; i < numTrials; ++i) {
vector<BankAccount> shuffled = randomizer.LFshuffle();
shuffledVectors.push_back(shuffled);
}
return randomizer.calculateRandomness(shuffledVectors);
}
double testMWshuffle(Randomizer<BankAccount> &randomizer, int numTrials) {
vector<vector<BankAccount>> shuffledVectors;
for (int i = 0; i < numTrials; ++i) {
vector<BankAccount> shuffled = randomizer.MWshuffle();
shuffledVectors.push_back(shuffled);
}
return randomizer.calculateRandomness(shuffledVectors);
}
double testABshuffle(Randomizer<BankAccount> &randomizer, int numTrials) {
vector<vector<BankAccount>> shuffledVectors;
for (int i = 0; i < numTrials; ++i) {
vector<BankAccount> shuffled = randomizer.ABshuffle();
shuffledVectors.push_back(shuffled);
}
return randomizer.calculateRandomness(shuffledVectors);
}
double testKRshuffle(Randomizer<BankAccount> &randomizer, int numTrials) {
vector<vector<BankAccount>> shuffledVectors;
for (int i = 0; i < numTrials; ++i) {
vector<BankAccount> shuffled = randomizer.KRshuffle();
shuffledVectors.push_back(shuffled);
}
return randomizer.calculateRandomness(shuffledVectors);
}