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___ */ 88
