GCC Code Coverage Report

Directory: ./
File: lib/my/flags/flag_g.c
Date: 2024-06-05 00:29:21
Exec Total Coverage
Lines: 106 107 99.1%
Functions: 9 9 100.0%
Branches: 65 74 87.8%
Line Branch Exec Source
1 /*
2 ** EPITECH PROJECT, 2023
3 ** my_printf
4 ** File description:
5 ** Flag to print a %g (a double)
6 */
7
8 #include <stdarg.h>
9 #include <stddef.h>
10 #include <stdlib.h>
11 #include <stdio.h>
12 #include <stddef.h>
13 #include "my.h"
14 #include "myformats.h"
15
16 24 static int check_precision(int precision, int nb)
17 {
18
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 24 if (precision - my_strlen(my_str_nbr(ABS(nb))) <= 0)
19 ✗ return 0;
20 else
21 24 return precision - my_strlen(my_str_nbr(ABS(nb)));
22 }
23
24 33 static int get_nb_zero(double nb)
25 {
26 33 int index = 0;
27 33 int temp_nb = 0;
28 33 double temp_nb_double = nb;
29
30
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 33 if (ABS(nb) < 1) {
31
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 96 while (temp_nb % 10 == 0) {
32 75 index = index + 1;
33 75 temp_nb_double = temp_nb_double * 10;
34 75 temp_nb = temp_nb_double;
35 }
36 21 return index - 1;
37 }
38 12 return 0;
39 }
40
41 6 static void my_get_decimal_part(char *float_nb, double nb,
42 formating_t *formating)
43 {
44 12 size_t precision_size = my_compute_power_rec_size_t(10, check_precision
45 6 (formating->id_nb, nb) + get_nb_zero(nb));
46
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 6 size_t nb_convert = ABS(nb * precision_size);
47 6 int i = 0;
48 6 char temp[2] = "";
49
50
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 6 if (nb_convert % precision_size != 0)
51 5 my_strcat(float_nb, ".");
52
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 15 for (i = 0; i < get_nb_zero(nb - (int)nb); i++)
53 9 my_strcat(float_nb, "0");
54
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 38 for (int j = 0; j < my_strlen(my_str_nbr_long_long(nb_convert)); j++) {
55 32 temp[0] = my_str_nbr_long_long(nb_convert % precision_size)[j];
56 32 my_strcat(float_nb, temp);
57 }
58
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 6 nb_convert = ABS(nb * my_compute_power_rec_size_t(10, check_precision
59 (formating->id_nb, nb) + get_nb_zero(nb) + 1));
60 6 my_round_float_str(float_nb, 48 + (nb_convert % 10),
61 6 my_strlen(float_nb) - 1, 0);
62 6 }
63
64 6 static char *my_get_str_float(double nb, formating_t *formating)
65 {
66 6 char *float_nb = malloc(sizeof(char) *
67 6 my_strlen(my_str_nbr(nb)) + 9 + formating->id_nb);
68 6 int i = 0;
69
70
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 6 formating->id_nb = (formating->id_prc != -1) ? (formating->id_nb) : 6;
71
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 6 if (nb < 0)
72 3 my_strcat(float_nb, "-");
73
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 6 my_strcat(float_nb, my_str_nbr_long_long(ABS(nb)));
74
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 6 if (formating->id_nb > 0 && check_precision(formating->id_nb, nb) != 0) {
75 6 my_get_decimal_part(float_nb, nb, formating);
76 6 i = my_strlen(float_nb) - 1;
77
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 21 for (i; (float_nb[i] == '0' || float_nb[i] == '.') && i != 0; i--)
78 15 float_nb[i] = '\0';
79 }
80 6 my_strcat(float_nb, "\0");
81 6 return my_strdup(float_nb);
82 }
83
84 2 static char *my_get_power(int index_nb)
85 {
86 char *power;
87
88
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 2 if (ABS(index_nb) >= 100) {
89 1 power = malloc(sizeof(char) * 5);
90 } else {
91 1 power = malloc(sizeof(char) * 4);
92 }
93
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 2 if (index_nb >= 0) {
94 1 my_strcat(power, "+");
95 } else {
96 1 my_strcat(power, "-");
97 }
98
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 2 if (ABS(index_nb) < 10)
99 1 my_strcat(power, "0");
100 2 my_strcat(power, my_str_nbr(ABS(index_nb)));
101 2 my_strcat(power, "\0");
102 2 return power;
103 }
104
105 2 static void condition(double nb, int *index_nb,
106 double *temp_nb_double, int *temp_nb)
107 {
108
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 2 if (ABS(nb) > 1) {
109
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 7 for (int i = 0; i < my_strlen(my_str_nbr(ABS(nb))) - 1; i++) {
110 6 *index_nb = *index_nb + 1;
111 6 *temp_nb_double = *temp_nb_double / 10;
112 }
113 } else {
114
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 101 while (*temp_nb % 10 == 0) {
115 100 *index_nb = *index_nb - 1;
116 100 *temp_nb_double = *temp_nb_double * 10;
117 100 *temp_nb = *temp_nb_double;
118 }
119 }
120 2 }
121
122 2 static char *my_get_str_float_scientific(double nb, formating_t *formating)
123 {
124 char *float_nb;
125 2 int signe = 0;
126 2 int index_nb = 0;
127 2 int temp_nb = nb;
128 2 double temp_nb_double = nb;
129
130
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 2 if (nb < 0)
131 1 signe = 1;
132 2 float_nb = malloc(sizeof(char) * (13 + signe));
133 2 condition(nb, &index_nb, &temp_nb_double, &temp_nb);
134 2 my_strcat(float_nb, my_get_str_float(temp_nb_double, formating));
135 2 my_strcat(float_nb, "e");
136 2 my_strcat(float_nb, my_get_power(index_nb));
137 2 return my_strdup(float_nb);
138 }
139
140 14 static int my_get_index(double nb)
141 {
142 14 int index_nb = 0;
143 14 int temp_nb = nb;
144 14 double temp_nb_double = nb;
145
146
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 14 if (nb == 0.0)
147 2 return 0;
148
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 12 if (ABS(nb) > 1) {
149
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 6 return my_strlen(my_str_nbr(ABS(nb)));
150 } else {
151
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 214 while (temp_nb % 10 == 0) {
152 208 index_nb = index_nb - 1;
153 208 temp_nb_double = temp_nb_double * 10;
154 208 temp_nb = temp_nb_double;
155 }
156 }
157 6 return index_nb;
158 }
159
160 7 int flag_g(va_list list, formating_t *formating)
161 {
162 7 double temp_double = va_arg(list, double);
163
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 7 int index = ABS(my_get_index(temp_double));
164 char *temp;
165
166
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 7 if (temp_double == 0.0) {
167 1 temp = "0";
168
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 6 } else if (index - 3 < 4 && (index <= formating->id_nb ||
169
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 4 formating->id_nb == -1)) {
170 4 temp = my_get_str_float(temp_double, formating);
171 } else {
172 2 temp = my_get_str_float_scientific(temp_double, formating);
173 }
174 7 format_it_double(temp, formating, temp_double);
175 7 my_putstrf(formating->fd, temp);
176 7 return my_strlen(temp);
177 }
178