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      1 /*
      2  * Copyright (C) Bull S.A. 2001
      3  *
      4  *   This program is free software;  you can redistribute it and/or modify
      5  *   it under the terms of the GNU General Public License as published by
      6  *   the Free Software Foundation; either version 2 of the License, or
      7  *   (at your option) any later version.
      8  *
      9  *   This program is distributed in the hope that it will be useful,
     10  *   but WITHOUT ANY WARRANTY;  without even the implied warranty of
     11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
     12  *   the GNU General Public License for more details.
     13  *
     14  *   You should have received a copy of the GNU General Public License
     15  *   along with this program;  if not, write to the Free Software
     16  *   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
     17  */
     18 
     19 /******************************************************************************/
     20 /*                                                                            */
     21 /* Dec-03-2001  Created: Jacky Malcles & Jean Noel Cordenner                  */
     22 /*              These tests are adapted from AIX float PVT tests.             */
     23 /*                                                                            */
     24 /******************************************************************************/
     25 #include 	<float.h>
     26 #include 	<stdio.h>
     27 #include 	<stdlib.h>
     28 #include 	<string.h>
     29 #include 	<errno.h>
     30 #include        <limits.h>
     31 #include        <unistd.h>
     32 #include        <fcntl.h>
     33 #include        <errno.h>
     34 #include        <sys/signal.h>
     35 #include        <math.h>
     36 
     37 static int create_Result_file(void)
     38 {
     39 
     40 	int signgam = 0;
     41 	int i, nbVal, tabSign[20000];
     42 	double tabR[20000], Inc;
     43 	char *F_name, *F_namesign;
     44 	int fp, fpsi;
     45 
     46 	F_name = "gamma_out.ref";
     47 	F_namesign = "gamma_sign.ref";
     48 	nbVal = 20000;
     49 
     50 	Inc = sqrt(3);
     51 
     52 	for (i = 0; i < nbVal; i++) {
     53 		tabR[i] = lgamma(1 + Inc * i);
     54 		tabSign[i] = signgam;
     55 	}
     56 
     57 	fp = open(F_name, O_RDWR | O_CREAT | O_TRUNC, 0777);
     58 	fpsi = open(F_namesign, O_RDWR | O_CREAT | O_TRUNC, 0777);
     59 	if (!fp || !fpsi) {
     60 		printf("error opening file");
     61 		close(fp);
     62 		close(fpsi);
     63 		return -1;
     64 	} else {
     65 		for (i = 0; i < nbVal; i++) {
     66 			write(fp, &tabR[i], sizeof(double));
     67 			write(fpsi, &tabSign[i], sizeof(int));
     68 		}
     69 
     70 		close(fp);
     71 		close(fpsi);
     72 		return 0;
     73 	}
     74 	return (0);
     75 }
     76 
     77 static int create_Data_file(void)
     78 {
     79 	int i, nbVal;
     80 	double tabD[20000], Inc;
     81 	char *F_name;
     82 	int fp;
     83 
     84 	F_name = "gamma_inp.ref";
     85 	nbVal = 20000;
     86 
     87 	Inc = sqrt(3);
     88 
     89 	for (i = 0; i < nbVal; i++)
     90 		tabD[i] = (1 + Inc * i);
     91 
     92 	fp = open(F_name, O_RDWR | O_CREAT | O_TRUNC, 0777);
     93 	if (!fp) {
     94 		printf("error opening file");
     95 		close(fp);
     96 		return -1;
     97 	} else {
     98 		for (i = 0; i < nbVal; i++) {
     99 			write(fp, &tabD[i], sizeof(double));
    100 		}
    101 		close(fp);
    102 		return 0;
    103 	}
    104 	return (0);
    105 }
    106 
    107 int main(int argc, char *argv[])
    108 {
    109 
    110 	if (argc > 1) {
    111 		switch (atoi(argv[1])) {
    112 		case 1:
    113 			if (create_Data_file() == 0)
    114 				printf("Data file created\n");
    115 			else
    116 				printf("problem during %s data file creation\n",
    117 				       argv[0]);
    118 			break;
    119 
    120 		case 2:
    121 			if (create_Result_file() == 0)
    122 				printf("Result file created\n");
    123 			else
    124 				printf
    125 				    ("problem during %s result file creation\n",
    126 				     argv[0]);
    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 %s data file creation\n",
    136 			       argv[0]);
    137 		if (create_Result_file() != 0)
    138 			printf("problem during %s result file creation\n",
    139 			       argv[0]);
    140 	}
    141 	return (0);
    142 }
    143