nsprpub/pr/include/prdtoa.h@44a2da4a2ab2 (annotated)
nsprpub/pr/include/prdtoa.h
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
| michael@0 | 1 | /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
| michael@0 | 2 | /* This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 3 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| michael@0 | 4 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 5 | |
| michael@0 | 6 | #ifndef prdtoa_h___ |
| michael@0 | 7 | #define prdtoa_h___ |
| michael@0 | 8 | |
| michael@0 | 9 | #include "prtypes.h" |
| michael@0 | 10 | |
| michael@0 | 11 | PR_BEGIN_EXTERN_C |
| michael@0 | 12 | |
| michael@0 | 13 | /* |
| michael@0 | 14 | ** PR_strtod() returns as a double-precision floating-point number |
| michael@0 | 15 | ** the value represented by the character string pointed to by |
| michael@0 | 16 | ** s00. The string is scanned up to the first unrecognized |
| michael@0 | 17 | ** character. |
| michael@0 | 18 | **a |
| michael@0 | 19 | ** If the value of se is not (char **)NULL, a pointer to |
| michael@0 | 20 | ** the character terminating the scan is returned in the location pointed |
| michael@0 | 21 | ** to by se. If no number can be formed, se is set to s00, and |
| michael@0 | 22 | ** zero is returned. |
| michael@0 | 23 | */ |
| michael@0 | 24 | NSPR_API(PRFloat64) |
| michael@0 | 25 | PR_strtod(const char *s00, char **se); |
| michael@0 | 26 | |
| michael@0 | 27 | /* |
| michael@0 | 28 | ** PR_cnvtf() |
| michael@0 | 29 | ** conversion routines for floating point |
| michael@0 | 30 | ** prcsn - number of digits of precision to generate floating |
| michael@0 | 31 | ** point value. |
| michael@0 | 32 | */ |
| michael@0 | 33 | NSPR_API(void) PR_cnvtf(char *buf, PRIntn bufsz, PRIntn prcsn, PRFloat64 fval); |
| michael@0 | 34 | |
| michael@0 | 35 | /* |
| michael@0 | 36 | ** PR_dtoa() converts double to a string. |
| michael@0 | 37 | ** |
| michael@0 | 38 | ** ARGUMENTS: |
| michael@0 | 39 | ** If rve is not null, *rve is set to point to the end of the return value. |
| michael@0 | 40 | ** If d is +-Infinity or NaN, then *decpt is set to 9999. |
| michael@0 | 41 | ** |
| michael@0 | 42 | ** mode: |
| michael@0 | 43 | ** 0 ==> shortest string that yields d when read in |
| michael@0 | 44 | ** and rounded to nearest. |
| michael@0 | 45 | */ |
| michael@0 | 46 | NSPR_API(PRStatus) PR_dtoa(PRFloat64 d, PRIntn mode, PRIntn ndigits, |
| michael@0 | 47 | PRIntn *decpt, PRIntn *sign, char **rve, char *buf, PRSize bufsize); |
| michael@0 | 48 | |
| michael@0 | 49 | PR_END_EXTERN_C |
| michael@0 | 50 | |
| michael@0 | 51 | #endif /* prdtoa_h___ */ |
