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 
38 #define M_PIl	3.1415926535897932384626433832795029L
39 
create_Result_file(void)40 static int create_Result_file(void)
41 {
42 
43 	int i, nbVal;
44 	double tabRatan[20000], Inc;
45 	char *F_name;
46 	int fp;
47 
48 	F_name = "ratan";
49 	nbVal = 20000;
50 
51 	Inc = 2 / nbVal;
52 
53 	for (i = 0; i < nbVal; i++)
54 		tabRatan[i] = atan((Inc * i) - 1);
55 
56 	fp = open(F_name, O_RDWR | O_CREAT | O_TRUNC, 0777);
57 	if (!fp) {
58 		printf("error opening file");
59 		close(fp);
60 		return -1;
61 	} else {
62 		for (i = 0; i < nbVal; i++) {
63 			write(fp, &tabRatan[i], sizeof(double));
64 		}
65 
66 		close(fp);
67 		return 0;
68 	}
69 }
70 
create_Data_file(void)71 static int create_Data_file(void)
72 {
73 	int i, nbVal;
74 	double tabDatan[20000], Inc;
75 	char *F_name;
76 	int fp;
77 
78 	F_name = "datan";
79 	nbVal = 20000;
80 
81 	Inc = 2 / nbVal;
82 
83 	for (i = 0; i < nbVal; i++)
84 		tabDatan[i] = (Inc * i) - 1;
85 
86 	fp = open(F_name, O_RDWR | O_CREAT | O_TRUNC, 0777);
87 	if (!fp) {
88 		printf("error opening file");
89 		close(fp);
90 		return -1;
91 	} else {
92 		for (i = 0; i < nbVal; i++) {
93 			write(fp, &tabDatan[i], sizeof(double));
94 		}
95 		close(fp);
96 		return 0;
97 	}
98 }
99 
main(int argc,char * argv[])100 int main(int argc, char *argv[])
101 {
102 
103 	if (argc > 1) {
104 		switch (atoi(argv[1])) {
105 		case 1:
106 			if (create_Data_file() == 0)
107 				printf("Data file created\n");
108 			else
109 				printf
110 				    ("problem during atan data file creation\n");
111 			break;
112 
113 		case 2:
114 			if (create_Result_file() == 0)
115 				printf("Result file created\n");
116 			else
117 				printf
118 				    ("problem during atan result file creation\n");
119 			break;
120 		default:
121 			printf("Bad arglist code for: '%s'\n", argv[0]);
122 			return -1;
123 			break;
124 		}
125 	} else {
126 		if (create_Data_file() != 0)
127 			printf("problem during atan data file creation\n");
128 		if (create_Result_file() != 0)
129 			printf("problem during atan result file creation\n");
130 	}
131 
132 	return (0);
133 
134 }
135