Commit | Line | Data |
---|---|---|
bd8b2f2e JB |
1 | #include <stdio.h> |
2 | //#include <stdbool.h> | |
3 | ||
4 | //FIXME: Comment the code !!! | |
5 | ||
6 | void displayMenuEntry(int num, const char* option) { | |
7 | printf("%d - %s\n", num, option); | |
8 | } | |
9 | ||
10 | void displayMenu() { | |
11 | displayMenuEntry(1, "Addition"); | |
12 | displayMenuEntry(2, "Soustraction"); | |
13 | displayMenuEntry(3, "Multiplication"); | |
14 | displayMenuEntry(4, "Division"); | |
15 | displayMenuEntry(5, "Puissance"); | |
16 | displayMenuEntry(6, "Quitter"); | |
17 | } | |
18 | ||
19 | int promptValue(const char* invite) { | |
20 | int value = 0; | |
21 | puts(invite); | |
22 | scanf("%d", &value); | |
23 | return value; | |
24 | } | |
25 | ||
26 | int promptOperation() { | |
27 | displayMenu(); | |
28 | return promptValue("Veuillez saisir un choix ?"); | |
29 | } | |
30 | ||
31 | int doAddition(int val1, int val2) { | |
32 | return val1 + val2; | |
33 | } | |
34 | ||
35 | int doSubstraction(int val1, int val2) { | |
36 | return val1 - val2; | |
37 | } | |
38 | ||
39 | int doMultiplication(int val1, int val2) { | |
40 | return val1 * val2; | |
41 | } | |
42 | ||
43 | int doDivision(int val1, int val2) { | |
44 | if (val2 == 0) { | |
45 | printf("Division par zero !\n"); | |
46 | // FIXME: I'm not very fond of this convention ... | |
47 | return 0; | |
48 | } else { | |
49 | return val1 / val2; | |
50 | } | |
51 | } | |
52 | ||
53 | int doPuissance(int base, int expo) { | |
54 | int power; | |
55 | if ( expo == 1) { | |
56 | power = base; | |
57 | } else if ( expo % 2 == 0 ) { | |
58 | power = doPuissance(base*base, expo/2); | |
59 | } else { | |
60 | power = base*doPuissance(base*base,(expo-1)/2); | |
61 | } | |
62 | return power; | |
63 | } | |
64 | ||
65 | int main() { | |
66 | int choice = promptOperation(); | |
67 | printf("Choice: %d\n", choice); | |
68 | ||
69 | return 0; | |
70 | } |