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