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      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 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 
     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 
    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