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