1 /*
2 * Copyright (C) Bull S.A. 2001
3 * Copyright (c) International Business Machines Corp., 2001
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
13 * the GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
18 */
19
20 /******************************************************************************/
21 /* */
22 /* Dec-03-2001 Created: Jacky Malcles & Jean Noel Cordenner */
23 /* These tests are adapted from AIX float PVT tests. */
24 /* */
25 /******************************************************************************/
26 #include <float.h>
27 #include <stdio.h>
28 #include <stdlib.h>
29 #include <string.h>
30 #include <errno.h>
31 #include <limits.h>
32 #include <unistd.h>
33 #include <fcntl.h>
34 #include <errno.h>
35 #include <sys/signal.h>
36 #include <math.h>
37
create_Result_file(void)38 static int create_Result_file(void)
39 {
40
41 int i, nbVal, tabRI[20000];
42 double tabR[20000], Inc, Val;
43 char *F_name, *F_name1;
44 int fp, fp1;
45
46 F_name = "frexp_out.ref";
47 F_name1 = "frexp1_out.ref";
48 nbVal = 20000;
49
50 Inc = exp(1);
51
52 for (i = 0; i < nbVal; i++) {
53 Val = Inc * (i + 1);
54 tabR[i] = frexp(Val, &(tabRI[i]));
55 }
56
57 fp = open(F_name, O_RDWR | O_CREAT | O_TRUNC, 0777);
58 fp1 = open(F_name1, O_RDWR | O_CREAT | O_TRUNC, 0777);
59 if (!fp || !fp1) {
60 printf("error opening file");
61 close(fp);
62 close(fp1);
63 return -1;
64 } else {
65 for (i = 0; i < nbVal; i++) {
66 write(fp, &tabR[i], sizeof(double));
67 write(fp1, &tabRI[i], sizeof(int));
68 }
69
70 close(fp);
71 close(fp1);
72 return 0;
73 }
74 }
75
create_Data_file(void)76 static int create_Data_file(void)
77 {
78 int i, nbVal;
79 double tabD[20000], Inc;
80 char *F_name;
81 int fp;
82
83 F_name = "frexp_inp.ref";
84 nbVal = 20000;
85
86 Inc = exp(1);
87
88 for (i = 0; i < nbVal; i++)
89 tabD[i] = (Inc * i) + Inc;
90
91 fp = open(F_name, O_RDWR | O_CREAT | O_TRUNC, 0777);
92 if (!fp) {
93 printf("error opening file");
94 close(fp);
95 return -1;
96 } else {
97 for (i = 0; i < nbVal; i++) {
98 write(fp, &tabD[i], sizeof(double));
99 }
100 close(fp);
101 return 0;
102 }
103 }
104
main(int argc,char * argv[])105 int main(int argc, char *argv[])
106 {
107
108 if (argc > 1) {
109 switch (atoi(argv[1])) {
110 case 1:
111 if (create_Data_file() == 0)
112 printf("Data file created\n");
113 else
114 printf("problem during %s data file creation\n",
115 argv[0]);
116 break;
117
118 case 2:
119 if (create_Result_file() == 0)
120 printf("Result file created\n");
121 else
122 printf
123 ("problem during %s result file creation\n",
124 argv[0]);
125 break;
126 default:
127 printf("Bad arglist code for: '%s'\n", argv[0]);
128 return -1;
129 break;
130 }
131 } else {
132 if (create_Data_file() != 0)
133 printf("problem during %s data file creation\n",
134 argv[0]);
135 if (create_Result_file() != 0)
136 printf("problem during %s result file creation\n",
137 argv[0]);
138 }
139
140 return (0);
141
142 }
143