michael@0: /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: /******************************************************************************
michael@0:  *
michael@0:  * This file contains a test program for the function conversion functions
michael@0:  * for double precision code:
michael@0:  * PR_strtod
michael@0:  * PR_dtoa
michael@0:  * PR_cnvtf
michael@0:  *
michael@0:  * This file was ns/nspr/tests/dtoa.c, created by rrj on 1996/06/22.
michael@0:  *
michael@0:  *****************************************************************************/
michael@0: #include <stdio.h>
michael@0: #include <stdlib.h>
michael@0: #include <sys/types.h>
michael@0: #include <string.h>
michael@0: #include <locale.h>
michael@0: #include "prprf.h"
michael@0: #include "prdtoa.h"
michael@0: 
michael@0: static int failed_already = 0;
michael@0: 
michael@0: int main(int argc, char **argv)
michael@0: {
michael@0:     double num;
michael@0:     double num1;
michael@0:     double zero = 0.0;
michael@0:     char   cnvt[50];
michael@0:     char  *thousands;
michael@0:     
michael@0:     num = 1e24;
michael@0:     num1 = PR_strtod("1e24",NULL);
michael@0:     if(num1 != num){
michael@0: 	fprintf(stderr,"Failed to convert numeric value %s\n","1e24");
michael@0:         failed_already = 1;
michael@0:     }
michael@0: 
michael@0:     PR_cnvtf(cnvt,sizeof(cnvt),20,num);
michael@0:     if(strcmp("1e+24",cnvt) != 0){
michael@0: 	fprintf(stderr,"Failed to convert numeric value %lf %s\n",num,cnvt);
michael@0:         failed_already = 1;
michael@0:     }
michael@0: 
michael@0:     num = 0.001e7;
michael@0:     num1 = PR_strtod("0.001e7",NULL);
michael@0:     if(num1 != num){
michael@0: 	fprintf(stderr,"Failed to convert numeric value %s\n","0.001e7");
michael@0:         failed_already = 1;
michael@0:     }
michael@0:     PR_cnvtf(cnvt,sizeof(cnvt),20,num);
michael@0:     if(strcmp("10000",cnvt) != 0){
michael@0: 	fprintf(stderr,"Failed to convert numeric value %lf %s\n",num,cnvt);
michael@0:         failed_already = 1;
michael@0:     }
michael@0: 
michael@0:     num = 0.0000000000000753;
michael@0:     num1 = PR_strtod("0.0000000000000753",NULL);
michael@0:     if(num1 != num){
michael@0: 	fprintf(stderr,"Failed to convert numeric value %s\n",
michael@0: 		"0.0000000000000753");
michael@0:         failed_already = 1;
michael@0:     }
michael@0:     PR_cnvtf(cnvt,sizeof(cnvt),20,num);
michael@0:     if(strcmp("7.53e-14",cnvt) != 0){
michael@0: 	fprintf(stderr,"Failed to convert numeric value %lf %s\n",num,cnvt);
michael@0:         failed_already = 1;
michael@0:     }
michael@0: 
michael@0:     num = 1.867e73;
michael@0:     num1 = PR_strtod("1.867e73",NULL);
michael@0:     if(num1 != num){
michael@0: 	fprintf(stderr,"Failed to convert numeric value %s\n","1.867e73");
michael@0:         failed_already = 1;
michael@0:     }
michael@0:     PR_cnvtf(cnvt,sizeof(cnvt),20,num);
michael@0:     if(strcmp("1.867e+73",cnvt) != 0){
michael@0: 	fprintf(stderr,"Failed to convert numeric value %lf %s\n",num,cnvt);
michael@0:         failed_already = 1;
michael@0:     }
michael@0: 
michael@0: 
michael@0:     num = -1.867e73;
michael@0:     num1 = PR_strtod("-1.867e73",NULL);
michael@0:     if(num1 != num){
michael@0: 	fprintf(stderr,"Failed to convert numeric value %s\n","-1.867e73");
michael@0:         failed_already = 1;
michael@0:     }
michael@0:     PR_cnvtf(cnvt,sizeof(cnvt),20,num);
michael@0:     if(strcmp("-1.867e+73",cnvt) != 0){
michael@0: 	fprintf(stderr,"Failed to convert numeric value %lf %s\n",num,cnvt);
michael@0:         failed_already = 1;
michael@0:     }
michael@0: 
michael@0:     num = -1.867e-73;
michael@0:     num1 = PR_strtod("-1.867e-73",NULL);
michael@0:     if(num1 != num){
michael@0: 	fprintf(stderr,"Failed to convert numeric value %s\n","-1.867e-73");
michael@0:         failed_already = 1;
michael@0:     }
michael@0: 
michael@0:     PR_cnvtf(cnvt,sizeof(cnvt),20,num);
michael@0:     if(strcmp("-1.867e-73",cnvt) != 0){
michael@0: 	fprintf(stderr,"Failed to convert numeric value %lf %s\n",num,cnvt);
michael@0:         failed_already = 1;
michael@0:     }
michael@0: 
michael@0:     /* Testing for infinity */
michael@0:     num = 1.0 / zero;
michael@0:     num1 = PR_strtod("1.867e765",NULL);
michael@0:     if(num1 != num){
michael@0: 	fprintf(stderr,"Failed to convert numeric value %s\n","1.867e765");
michael@0:         failed_already = 1;
michael@0:     }
michael@0: 
michael@0:     PR_cnvtf(cnvt,sizeof(cnvt),20,num);
michael@0:     if(strcmp("Infinity",cnvt) != 0){
michael@0: 	fprintf(stderr,"Failed to convert numeric value %lf %s\n",num,cnvt);
michael@0:         failed_already = 1;
michael@0:     }
michael@0: 
michael@0:     num = -1.0 / zero;
michael@0:     num1 = PR_strtod("-1.867e765",NULL);
michael@0:     if(num1 != num){
michael@0: 	fprintf(stderr,"Failed to convert numeric value %s\n","-1.867e765");
michael@0:         failed_already = 1;
michael@0:     }
michael@0: 
michael@0:     PR_cnvtf(cnvt,sizeof(cnvt),20,num);
michael@0:     if(strcmp("-Infinity",cnvt) != 0){
michael@0: 	fprintf(stderr,"Failed to convert numeric value %lf %s\n",num,cnvt);
michael@0:         failed_already = 1;
michael@0:     }
michael@0: 
michael@0:     /* Testing for NaN. PR_strtod can't parse "NaN" and "Infinity" */
michael@0:     num = zero / zero;
michael@0: 
michael@0:     PR_cnvtf(cnvt,sizeof(cnvt),20,num);
michael@0:     if(strcmp("NaN",cnvt) != 0){
michael@0: 	fprintf(stderr,"Failed to convert numeric value %lf %s\n",num,cnvt);
michael@0:         failed_already = 1;
michael@0:     }
michael@0: 
michael@0:     num = - zero / zero;
michael@0:     PR_cnvtf(cnvt,sizeof(cnvt),20,num);
michael@0:     if(strcmp("NaN",cnvt) != 0){
michael@0: 	fprintf(stderr,"Failed to convert numeric value %lf %s\n",num,cnvt);
michael@0:         failed_already = 1;
michael@0:     }
michael@0: 
michael@0:     num = 1.0000000001e21;
michael@0:     num1 = PR_strtod("1.0000000001e21",NULL);
michael@0:     if(num1 != num){
michael@0: 	fprintf(stderr,"Failed to convert numeric value %s\n",
michael@0: 		"1.0000000001e21");
michael@0:         failed_already = 1;
michael@0:     }
michael@0: 
michael@0:     PR_cnvtf(cnvt,sizeof(cnvt),20,num);
michael@0:     if(strcmp("1.0000000001e+21",cnvt) != 0){
michael@0: 	fprintf(stderr,"Failed to convert numeric value %lf %s\n",num,cnvt);
michael@0:         failed_already = 1;
michael@0:     }
michael@0: 
michael@0:     num = -1.0000000001e-21;
michael@0:     num1 = PR_strtod("-1.0000000001e-21",NULL);
michael@0:     if(num1 != num){
michael@0: 	fprintf(stderr,"Failed to convert numeric value %s\n",
michael@0: 		"-1.0000000001e-21");
michael@0:         failed_already = 1;
michael@0:     }
michael@0:     PR_cnvtf(cnvt,sizeof(cnvt),20,num);
michael@0:     if(strcmp("-1.0000000001e-21",cnvt) != 0){
michael@0: 	fprintf(stderr,"Failed to convert numeric value %lf %s\n",num,cnvt);
michael@0:         failed_already = 1;
michael@0:     }
michael@0: 
michael@0:     /*
michael@0:      * Bug 414772: should not exit with "Zero passed to d2b" in debug
michael@0:      * build.
michael@0:      */
michael@0:     num1 = PR_strtod("4e-356",NULL);
michael@0: 
michael@0:     /*
michael@0:      * A very long input with ~384K digits.
michael@0:      * Bug 516396: Should not crash.
michael@0:      * Bug 521306: Should return 0 without converting the input.
michael@0:      */
michael@0: #define LENGTH (384 * 1024)
michael@0:     thousands = (char *)malloc(LENGTH);
michael@0:     thousands[0] = '0';
michael@0:     thousands[1] = '.';
michael@0:     memset(&thousands[2], '1', LENGTH - 3);
michael@0:     thousands[LENGTH - 1] = '\0';
michael@0:     num = 0;
michael@0:     num1 = PR_strtod(thousands,NULL);
michael@0:     free(thousands);
michael@0:     if(num1 != num){
michael@0:         fprintf(stderr,"Failed to convert numeric value %s\n",
michael@0:                 "0.1111111111111111...");
michael@0:         failed_already = 1;
michael@0:     }
michael@0: 
michael@0:     if (failed_already) {
michael@0:         printf("FAILED\n");
michael@0:     } else {
michael@0:         printf("PASSED\n");
michael@0:     }
michael@0:     return failed_already;
michael@0: }