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