gecko/nsprpub/pr/tests/dtoa.c

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2008-06-06 05:36:51 -07:00
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is the Netscape Portable Runtime (NSPR).
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998-2000
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
/******************************************************************************
*
* This file contains a test program for the function conversion functions
* for double precision code:
* PR_strtod
* PR_dtoa
* PR_cnvtf
*
* This file was ns/nspr/tests/dtoa.c, created by rrj on 1996/06/22.
*
*****************************************************************************/
#include <stdio.h>
#include <stdlib.h>
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#include <sys/types.h>
#include <string.h>
#include <locale.h>
#include "prprf.h"
#include "prdtoa.h"
static int failed_already = 0;
int main(int argc, char **argv)
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{
double num;
double num1;
double zero = 0.0;
char cnvt[50];
char *thousands;
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num = 1e24;
num1 = PR_strtod("1e24",NULL);
if(num1 != num){
fprintf(stderr,"Failed to convert numeric value %s\n","1e24");
failed_already = 1;
}
PR_cnvtf(cnvt,sizeof(cnvt),20,num);
if(strcmp("1e+24",cnvt) != 0){
fprintf(stderr,"Failed to convert numeric value %lf %s\n",num,cnvt);
failed_already = 1;
}
num = 0.001e7;
num1 = PR_strtod("0.001e7",NULL);
if(num1 != num){
fprintf(stderr,"Failed to convert numeric value %s\n","0.001e7");
failed_already = 1;
}
PR_cnvtf(cnvt,sizeof(cnvt),20,num);
if(strcmp("10000",cnvt) != 0){
fprintf(stderr,"Failed to convert numeric value %lf %s\n",num,cnvt);
failed_already = 1;
}
num = 0.0000000000000753;
num1 = PR_strtod("0.0000000000000753",NULL);
if(num1 != num){
fprintf(stderr,"Failed to convert numeric value %s\n",
"0.0000000000000753");
failed_already = 1;
}
PR_cnvtf(cnvt,sizeof(cnvt),20,num);
if(strcmp("7.53e-14",cnvt) != 0){
fprintf(stderr,"Failed to convert numeric value %lf %s\n",num,cnvt);
failed_already = 1;
}
num = 1.867e73;
num1 = PR_strtod("1.867e73",NULL);
if(num1 != num){
fprintf(stderr,"Failed to convert numeric value %s\n","1.867e73");
failed_already = 1;
}
PR_cnvtf(cnvt,sizeof(cnvt),20,num);
if(strcmp("1.867e+73",cnvt) != 0){
fprintf(stderr,"Failed to convert numeric value %lf %s\n",num,cnvt);
failed_already = 1;
}
num = -1.867e73;
num1 = PR_strtod("-1.867e73",NULL);
if(num1 != num){
fprintf(stderr,"Failed to convert numeric value %s\n","-1.867e73");
failed_already = 1;
}
PR_cnvtf(cnvt,sizeof(cnvt),20,num);
if(strcmp("-1.867e+73",cnvt) != 0){
fprintf(stderr,"Failed to convert numeric value %lf %s\n",num,cnvt);
failed_already = 1;
}
num = -1.867e-73;
num1 = PR_strtod("-1.867e-73",NULL);
if(num1 != num){
fprintf(stderr,"Failed to convert numeric value %s\n","-1.867e-73");
failed_already = 1;
}
PR_cnvtf(cnvt,sizeof(cnvt),20,num);
if(strcmp("-1.867e-73",cnvt) != 0){
fprintf(stderr,"Failed to convert numeric value %lf %s\n",num,cnvt);
failed_already = 1;
}
/* Testing for infinity */
num = 1.0 / zero;
num1 = PR_strtod("1.867e765",NULL);
if(num1 != num){
fprintf(stderr,"Failed to convert numeric value %s\n","1.867e765");
failed_already = 1;
}
PR_cnvtf(cnvt,sizeof(cnvt),20,num);
if(strcmp("Infinity",cnvt) != 0){
fprintf(stderr,"Failed to convert numeric value %lf %s\n",num,cnvt);
failed_already = 1;
}
num = -1.0 / zero;
num1 = PR_strtod("-1.867e765",NULL);
if(num1 != num){
fprintf(stderr,"Failed to convert numeric value %s\n","-1.867e765");
failed_already = 1;
}
PR_cnvtf(cnvt,sizeof(cnvt),20,num);
if(strcmp("-Infinity",cnvt) != 0){
fprintf(stderr,"Failed to convert numeric value %lf %s\n",num,cnvt);
failed_already = 1;
}
/* Testing for NaN. PR_strtod can't parse "NaN" and "Infinity" */
num = zero / zero;
PR_cnvtf(cnvt,sizeof(cnvt),20,num);
if(strcmp("NaN",cnvt) != 0){
fprintf(stderr,"Failed to convert numeric value %lf %s\n",num,cnvt);
failed_already = 1;
}
num = - zero / zero;
PR_cnvtf(cnvt,sizeof(cnvt),20,num);
if(strcmp("NaN",cnvt) != 0){
fprintf(stderr,"Failed to convert numeric value %lf %s\n",num,cnvt);
failed_already = 1;
}
num = 1.0000000001e21;
num1 = PR_strtod("1.0000000001e21",NULL);
if(num1 != num){
fprintf(stderr,"Failed to convert numeric value %s\n",
"1.0000000001e21");
failed_already = 1;
}
PR_cnvtf(cnvt,sizeof(cnvt),20,num);
if(strcmp("1.0000000001e+21",cnvt) != 0){
fprintf(stderr,"Failed to convert numeric value %lf %s\n",num,cnvt);
failed_already = 1;
}
num = -1.0000000001e-21;
num1 = PR_strtod("-1.0000000001e-21",NULL);
if(num1 != num){
fprintf(stderr,"Failed to convert numeric value %s\n",
"-1.0000000001e-21");
failed_already = 1;
}
PR_cnvtf(cnvt,sizeof(cnvt),20,num);
if(strcmp("-1.0000000001e-21",cnvt) != 0){
fprintf(stderr,"Failed to convert numeric value %lf %s\n",num,cnvt);
failed_already = 1;
}
/*
* Bug 414772: should not exit with "Zero passed to d2b" in debug
* build.
*/
num1 = PR_strtod("4e-356",NULL);
/*
* A very long input with ~384K digits.
* Bug 516396: Should not crash.
* Bug 521306: Should return 0 without converting the input.
*/
#define LENGTH (384 * 1024)
thousands = (char *)malloc(LENGTH);
thousands[0] = '0';
thousands[1] = '.';
memset(&thousands[2], '1', LENGTH - 3);
thousands[LENGTH - 1] = '\0';
num = 0;
num1 = PR_strtod(thousands,NULL);
free(thousands);
if(num1 != num){
fprintf(stderr,"Failed to convert numeric value %s\n",
"0.1111111111111111...");
failed_already = 1;
}
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if (failed_already) {
printf("FAILED\n");
} else {
printf("PASSED\n");
}
return failed_already;
}