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
40static int create_Result_file(void)
41{
42
43	int i, nbVal;
44	double tabRtan[20000], Inc;
45	char *F_name;
46	int fp;
47
48	F_name = "rtan";
49	nbVal = 20000;
50
51	Inc = (2 * M_PIl) / nbVal;	/* condering a period of 2 pi rad */
52
53	for (i = 0; i < nbVal; i++) {
54		if ((Inc * i) != (M_PIl / 2))
55			tabRtan[i] = tan(Inc * i);
56		else
57			tabRtan[i] = tan(0);
58	}
59
60	fp = open(F_name, O_RDWR | O_CREAT | O_TRUNC, 0777);
61	if (!fp) {
62		printf("error opening file");
63		close(fp);
64		return -1;
65	} else {
66		for (i = 0; i < nbVal; i++) {
67			write(fp, &tabRtan[i], sizeof(double));
68		}
69
70		close(fp);
71		return 0;
72	}
73}
74
75static int create_Data_file(void)
76{
77	int i, nbVal;
78	double tabDtan[20000], Inc;
79	char *F_name;
80	int fp;
81
82	F_name = "dtan";
83	nbVal = 20000;
84
85	Inc = (2 * M_PIl) / nbVal;	/* condering a period of 2 pi rad */
86
87	for (i = 0; i < nbVal; i++) {
88		if ((Inc * i) != (M_PIl / 2))
89			tabDtan[i] = (Inc * i);
90		else
91			tabDtan[i] = 0;
92	}
93
94	fp = open(F_name, O_RDWR | O_CREAT | O_TRUNC, 0777);
95	if (!fp) {
96		printf("error opening file");
97		close(fp);
98		return -1;
99	} else {
100		for (i = 0; i < nbVal; i++) {
101			write(fp, &tabDtan[i], sizeof(double));
102		}
103		close(fp);
104		return 0;
105	}
106}
107
108int main(int argc, char *argv[])
109{
110
111	if (argc > 1) {
112		switch (atoi(argv[1])) {
113		case 1:
114			if (create_Data_file() == 0)
115				printf("Data file created\n");
116			else
117				printf
118				    ("problem during tan  data file creation\n");
119			break;
120
121		case 2:
122			if (create_Result_file() == 0)
123				printf("Result file created\n");
124			else
125				printf
126				    ("problem during tan result file creation\n");
127			break;
128		default:
129			printf("Bad arglist code for: '%s'\n", argv[0]);
130			return -1;
131			break;
132		}
133	} else {
134		if (create_Data_file() != 0)
135			printf("problem during tan data file creation\n");
136		if (create_Result_file() != 0)
137			printf("problem during tan result file creation\n");
138	}
139
140	return (0);
141
142}
143