Sorting ByPrice - doesn't work

[Wanzaz]

Comparing Function

• Other parts of the function work just fine
• It can be cause by using the FLOAT type in C
• File: src/comparing.c
• Link: https://github.com/Wanzaz/Cryptocurrency-database/blob/main/src/comparing.c

/* 
 * Comparing Functions
 * */
int compare(TCryptocurrency x, TCryptocurrency y, CompareType type)
{
    switch (type) {
        case ById:
            return x.id - y.id;
        case ByFoundationYear:
            return x.foundation_year - y.foundation_year;
        case ByName:
            return strcmp(x.name, y.name);
        case ByFounderName:
            return strcmp(x.founder_name, y.founder_name);
        case ByPrice:
            return x.price - y.price;
  }
}

Calling the Function

• File: src/main.c
• Link: https://github.com/Wanzaz/Cryptocurrency-database/blob/main/src/main.c

    case 9: clear();
        sort(stdout, crypto, ByPrice); 
        break;

Output of the Program

Cryptocurrency Database Program:
        0 - exit
        1 - write out a whole database
        2 - add a record
        3 - change a record
        4 - remove a record
        5 - search data by a cryptocurrency name
        6 - sort by a foundation year
        7 - sort by a cryptocurrency name
        8 - sort by a founder
        9 - sort by a price
        10 - sort by id
        11 - filter data by a foundation year
        12 - summary
        13 - data backup
Choose an operation: 9

+----+-----------------+---------------+-------------------+-----------+
| id | Foundation year |  Crypto name  | Founder name      | Price $   |
|----+-----------------+---------------+-------------------+-----------|
|  6 |            2013 |      Dogecoin |    Jackson-Palmer |      0.07 |
| 11 |            2017 |       Cardano | Charles-Hoskinson |      0.53 |
|  5 |            2012 |      Peercoin |        Sunny-King |      0.45 |
|  7 |            2014 |       Titcoin |  Edward-Mansfield |      0.00 |
|  4 |            2011 |      Namecoin |    Vincent-Durham |      1.30 |
|  9 |            2015 |        Tether |     Jan-Ludovicus |      1.00 |
| 13 |            2021 |      SafeMoon |      SafeMoon-LLC |      6.81 |
|  8 |            2014 |           XLM |       Jed-McCaleb |     16.00 |
|  3 |            2010 |      Litecoin |  Satoshi-Nakamoto |     81.11 |
| 12 |            2017 |  Bitcoin-Cash |                 - |    128.71 |
| 10 |            2015 |      Ethereum |   Vitalik-Buterin |   1705.19 |
+----+-----------------+---------------+-------------------+-----------+