The Tor Browser: nsprpub/pr/tests/dtoa.c@44a2da4a2ab2 (annotated)

nsprpub/pr/tests/dtoa.c@44a2da4a2ab2 (annotated)

nsprpub/pr/tests/dtoa.c

Fri, 16 Jan 2015 04:50:19 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Fri, 16 Jan 2015 04:50:19 +0100
branch: TOR_BUG_9701
changeset 13: 44a2da4a2ab2
permissions: -rw-r--r--

Replace accessor implementation with direct member state manipulation, by
request https://trac.torproject.org/projects/tor/ticket/9701#comment:32

 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
 /* This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 /******************************************************************************
  *
  * 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>
 #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)
 {
     double num;
     double num1;
     double zero = 0.0;
     char   cnvt[50];
     char  *thousands;
     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;
     }
     if (failed_already) {
         printf("FAILED\n");
     } else {
         printf("PASSED\n");
     }
     return failed_already;
 }

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nsprpub/pr/tests/dtoa.c@44a2da4a2ab2 (annotated)

nsprpub/pr/tests/dtoa.c