143 lines
3.4 KiB
C
143 lines
3.4 KiB
C
/*
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* Copyright (C) Bull S.A. 2001
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* Copyright (c) International Business Machines Corp., 2001
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
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* the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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/******************************************************************************/
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/* */
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/* Dec-03-2001 Created: Jacky Malcles & Jean Noel Cordenner */
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/* These tests are adapted from AIX float PVT tests. */
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/* */
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/******************************************************************************/
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#include <float.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <errno.h>
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#include <limits.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <errno.h>
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#include <sys/signal.h>
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#include <math.h>
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#define M_PIl 3.1415926535897932384626433832795029L
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static int create_Result_file(void)
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{
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int i, nbVal;
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double tabRtan[20000], Inc;
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char *F_name;
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int fp;
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F_name = "rtan";
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nbVal = 20000;
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Inc = (2 * M_PIl) / nbVal; /* condering a period of 2 pi rad */
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for (i = 0; i < nbVal; i++) {
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if ((Inc * i) != (M_PIl / 2))
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tabRtan[i] = tan(Inc * i);
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else
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tabRtan[i] = tan(0);
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}
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fp = open(F_name, O_RDWR | O_CREAT | O_TRUNC, 0777);
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if (!fp) {
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printf("error opening file");
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close(fp);
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return -1;
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} else {
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for (i = 0; i < nbVal; i++) {
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write(fp, &tabRtan[i], sizeof(double));
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}
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close(fp);
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return 0;
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}
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}
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static int create_Data_file(void)
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{
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int i, nbVal;
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double tabDtan[20000], Inc;
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char *F_name;
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int fp;
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F_name = "dtan";
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nbVal = 20000;
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Inc = (2 * M_PIl) / nbVal; /* condering a period of 2 pi rad */
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for (i = 0; i < nbVal; i++) {
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if ((Inc * i) != (M_PIl / 2))
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tabDtan[i] = (Inc * i);
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else
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tabDtan[i] = 0;
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}
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fp = open(F_name, O_RDWR | O_CREAT | O_TRUNC, 0777);
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if (!fp) {
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printf("error opening file");
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close(fp);
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return -1;
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} else {
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for (i = 0; i < nbVal; i++) {
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write(fp, &tabDtan[i], sizeof(double));
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}
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close(fp);
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return 0;
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}
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}
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int main(int argc, char *argv[])
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{
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if (argc > 1) {
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switch (atoi(argv[1])) {
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case 1:
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if (create_Data_file() == 0)
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printf("Data file created\n");
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else
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printf
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("problem during tan data file creation\n");
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break;
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case 2:
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if (create_Result_file() == 0)
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printf("Result file created\n");
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else
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printf
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("problem during tan result file creation\n");
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break;
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default:
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printf("Bad arglist code for: '%s'\n", argv[0]);
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return -1;
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break;
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}
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} else {
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if (create_Data_file() != 0)
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printf("problem during tan data file creation\n");
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if (create_Result_file() != 0)
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printf("problem during tan result file creation\n");
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}
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return (0);
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}
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