GCC Code Coverage Report

Directory: ./
File: lib/my/my_printf/flag_g.c
Date: 2024-05-13 01:36:59
Exec Total Coverage
Lines: 110 110 100.0%
Functions: 9 9 100.0%
Branches: 70 76 92.1%
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 * @file flag_g.c
9 * @brief The file containing the flag_g function
10 * @author Nicolas TORO
11 */
12
13 #include "myprintf.h"
14
15 25 static int check_precision(int precision, int nb)
16 {
17
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 25 if (precision - my_strlen(my_str_nbr(ABS(nb))) <= 0)
18 1 return 0;
19 else
20 24 return precision - my_strlen(my_str_nbr(ABS(nb)));
21 }
22
23 33 static int get_nb_zero(double nb)
24 {
25 33 int index = 0;
26 33 int temp_nb = 0;
27 33 double temp_nb_double = nb;
28
29
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 33 if (ABS(nb) < 1) {
30
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 96 while (temp_nb % 10 == 0) {
31 75 index = index + 1;
32 75 temp_nb_double = temp_nb_double * 10;
33 75 temp_nb = temp_nb_double;
34 }
35 21 return index - 1;
36 }
37 12 return 0;
38 }
39
40 6 static void my_get_decimal_part(char *float_nb, double nb,
41 formating_t *formating)
42 {
43 12 size_t precision_size = my_compute_power_rec_size_t(10, check_precision
44 6 (formating->id_nb, nb) + get_nb_zero(nb));
45
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 6 size_t nb_convert = ABS(nb * precision_size);
46 6 int i = 0;
47 6 char temp[2] = "";
48
49
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 6 if (nb_convert % precision_size != 0)
50 5 my_strcat(float_nb, ".");
51
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 15 for (i = 0; i < get_nb_zero(nb - (int)nb); i++)
52 9 my_strcat(float_nb, "0");
53
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 38 for (int j = 0; j < my_strlen(my_str_nbr_long_long(nb_convert)); j++) {
54 32 temp[0] = my_str_nbr_long_long(nb_convert % precision_size)[j];
55 32 my_strcat(float_nb, temp);
56 }
57
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 6 nb_convert = ABS(nb * my_compute_power_rec_size_t(10, check_precision
58 (formating->id_nb, nb) + get_nb_zero(nb) + 1));
59 6 my_round_float_str(float_nb, 48 + (nb_convert % 10),
60 6 my_strlen(float_nb) - 1, 0);
61 6 }
62
63 7 static char *my_get_str_float(double nb, formating_t *formating)
64 {
65 7 char *float_nb = malloc(sizeof(char) *
66 7 my_strlen(my_str_nbr(nb)) + 9 + formating->id_nb);
67 7 int i = 0;
68
69
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 7 formating->id_nb = (formating->id_prc != -1) ? (formating->id_nb) : 6;
70
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 7 if (nb < 0)
71 3 my_strcat(float_nb, "-");
72
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 7 my_strcat(float_nb, my_str_nbr_long_long(ABS(nb)));
73
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 7 if (formating->id_nb > 0 && check_precision(formating->id_nb, nb) != 0) {
74 6 my_get_decimal_part(float_nb, nb, formating);
75 6 i = my_strlen(float_nb) - 1;
76
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 21 for (i; (float_nb[i] == '0' || float_nb[i] == '.') && i != 0; i--)
77 15 float_nb[i] = '\0';
78 }
79 7 my_strcat(float_nb, "\0");
80 7 return float_nb;
81 }
82
83 3 static char *my_get_power(int index_nb)
84 {
85 char *power;
86
87
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 3 if (ABS(index_nb) >= 100) {
88 1 power = malloc(sizeof(char) * 5);
89 } else {
90 2 power = malloc(sizeof(char) * 4);
91 }
92
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 3 if (index_nb >= 0) {
93 2 my_strcat(power, "+");
94 } else {
95 1 my_strcat(power, "-");
96 }
97
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 3 if (ABS(index_nb) < 10)
98 2 my_strcat(power, "0");
99 3 my_strcat(power, my_str_nbr(ABS(index_nb)));
100 3 my_strcat(power, "\0");
101 3 return power;
102 }
103
104 3 static void condition(double nb, int *index_nb,
105 double *temp_nb_double, int *temp_nb)
106 {
107
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 3 if (ABS(nb) > 1) {
108
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 10 for (int i = 0; i < my_strlen(my_str_nbr(ABS(nb))) - 1; i++) {
109 8 *index_nb = *index_nb + 1;
110 8 *temp_nb_double = *temp_nb_double / 10;
111 }
112 } else {
113
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 101 while (*temp_nb % 10 == 0) {
114 100 *index_nb = *index_nb - 1;
115 100 *temp_nb_double = *temp_nb_double * 10;
116 100 *temp_nb = *temp_nb_double;
117 }
118 }
119 3 }
120
121 3 static char *my_get_str_float_scientific(double nb, formating_t *formating)
122 {
123 char *float_nb;
124 3 int signe = 0;
125 3 int index_nb = 0;
126 3 int temp_nb = nb;
127 3 double temp_nb_double = nb;
128
129
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 3 if (nb < 0)
130 1 signe = 1;
131 3 float_nb = malloc(sizeof(char) * (13 + signe));
132 3 condition(nb, &index_nb, &temp_nb_double, &temp_nb);
133 3 my_strcat(float_nb, my_get_str_float(temp_nb_double, formating));
134 3 my_strcat(float_nb, "e");
135 3 my_strcat(float_nb, my_get_power(index_nb));
136 3 return float_nb;
137 }
138
139 16 static int my_get_index(double nb)
140 {
141 16 int index_nb = 0;
142 16 int temp_nb = nb;
143 16 double temp_nb_double = nb;
144
145
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 16 if (nb == 0.0)
146 2 return 0;
147
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 14 if (ABS(nb) > 1) {
148
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 8 return my_strlen(my_str_nbr(ABS(nb)));
149 } else {
150
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 214 while (temp_nb % 10 == 0) {
151 208 index_nb = index_nb - 1;
152 208 temp_nb_double = temp_nb_double * 10;
153 208 temp_nb = temp_nb_double;
154 }
155 }
156 6 return index_nb;
157 }
158
159 8 int flag_g(va_list list, formating_t *formating)
160 {
161 8 double temp_double = va_arg(list, double);
162
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 8 int index = ABS(my_get_index(temp_double));
163 char *temp;
164 8 int free = 1;
165
166
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 8 if (temp_double == 0.0) {
167 1 temp = "0";
168 1 free = 0;
169
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 7 } else if (index - 3 < 4 && (index <= formating->id_nb ||
170
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 5 formating->id_nb == -1)) {
171 4 temp = my_get_str_float(temp_double, formating);
172 } else {
173 3 temp = my_get_str_float_scientific(temp_double, formating);
174 }
175 8 format_it_double(temp, formating, temp_double);
176
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 8 if (free)
177 7 return my_putstr_fd_free(temp, formating->fd);
178 1 return my_putstr_fd(temp, formating->fd);
179 }
180