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| 1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
| 2 /* ***** BEGIN LICENSE BLOCK ***** |
| 3 * Version: MPL 1.1/GPL 2.0/LGPL 2.1 |
| 4 * |
| 5 * The contents of this file are subject to the Mozilla Public License Version |
| 6 * 1.1 (the "License"); you may not use this file except in compliance with |
| 7 * the License. You may obtain a copy of the License at |
| 8 * http://www.mozilla.org/MPL/ |
| 9 * |
| 10 * Software distributed under the License is distributed on an "AS IS" basis, |
| 11 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License |
| 12 * for the specific language governing rights and limitations under the |
| 13 * License. |
| 14 * |
| 15 * The Original Code is the Netscape Portable Runtime (NSPR). |
| 16 * |
| 17 * The Initial Developer of the Original Code is |
| 18 * Netscape Communications Corporation. |
| 19 * Portions created by the Initial Developer are Copyright (C) 1998-2000 |
| 20 * the Initial Developer. All Rights Reserved. |
| 21 * |
| 22 * Contributor(s): |
| 23 * |
| 24 * Alternatively, the contents of this file may be used under the terms of |
| 25 * either the GNU General Public License Version 2 or later (the "GPL"), or |
| 26 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), |
| 27 * in which case the provisions of the GPL or the LGPL are applicable instead |
| 28 * of those above. If you wish to allow use of your version of this file only |
| 29 * under the terms of either the GPL or the LGPL, and not to allow others to |
| 30 * use your version of this file under the terms of the MPL, indicate your |
| 31 * decision by deleting the provisions above and replace them with the notice |
| 32 * and other provisions required by the GPL or the LGPL. If you do not delete |
| 33 * the provisions above, a recipient may use your version of this file under |
| 34 * the terms of any one of the MPL, the GPL or the LGPL. |
| 35 * |
| 36 * ***** END LICENSE BLOCK ***** */ |
| 37 |
| 38 #ifndef prdtoa_h___ |
| 39 #define prdtoa_h___ |
| 40 |
| 41 #include "prtypes.h" |
| 42 |
| 43 PR_BEGIN_EXTERN_C |
| 44 |
| 45 /* |
| 46 ** PR_strtod() returns as a double-precision floating-point number |
| 47 ** the value represented by the character string pointed to by |
| 48 ** s00. The string is scanned up to the first unrecognized |
| 49 ** character. |
| 50 **a |
| 51 ** If the value of se is not (char **)NULL, a pointer to |
| 52 ** the character terminating the scan is returned in the location pointed |
| 53 ** to by se. If no number can be formed, se is set to s00, and |
| 54 ** zero is returned. |
| 55 */ |
| 56 #if defined(HAVE_WATCOM_BUG_1) |
| 57 /* this is a hack to circumvent a bug in the Watcom C/C++ 11.0 compiler |
| 58 ** When Watcom fixes the bug, remove the special case for Win16 |
| 59 */ |
| 60 PRFloat64 __pascal __loadds __export |
| 61 #else |
| 62 NSPR_API(PRFloat64) |
| 63 #endif |
| 64 PR_strtod(const char *s00, char **se); |
| 65 |
| 66 /* |
| 67 ** PR_cnvtf() |
| 68 ** conversion routines for floating point |
| 69 ** prcsn - number of digits of precision to generate floating |
| 70 ** point value. |
| 71 */ |
| 72 NSPR_API(void) PR_cnvtf(char *buf, PRIntn bufsz, PRIntn prcsn, PRFloat64 fval); |
| 73 |
| 74 /* |
| 75 ** PR_dtoa() converts double to a string. |
| 76 ** |
| 77 ** ARGUMENTS: |
| 78 ** If rve is not null, *rve is set to point to the end of the return value. |
| 79 ** If d is +-Infinity or NaN, then *decpt is set to 9999. |
| 80 ** |
| 81 ** mode: |
| 82 ** 0 ==> shortest string that yields d when read in |
| 83 ** and rounded to nearest. |
| 84 */ |
| 85 NSPR_API(PRStatus) PR_dtoa(PRFloat64 d, PRIntn mode, PRIntn ndigits, |
| 86 PRIntn *decpt, PRIntn *sign, char **rve, char *buf, PRSize bufsize); |
| 87 |
| 88 PR_END_EXTERN_C |
| 89 |
| 90 #endif /* prdtoa_h___ */ |
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