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Diffstat (limited to 'nsprpub/pr/include/prdtoa.h')
-rw-r--r-- | nsprpub/pr/include/prdtoa.h | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/nsprpub/pr/include/prdtoa.h b/nsprpub/pr/include/prdtoa.h new file mode 100644 index 000000000..191b6c75b --- /dev/null +++ b/nsprpub/pr/include/prdtoa.h @@ -0,0 +1,51 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#ifndef prdtoa_h___ +#define prdtoa_h___ + +#include "prtypes.h" + +PR_BEGIN_EXTERN_C + +/* +** PR_strtod() returns as a double-precision floating-point number +** the value represented by the character string pointed to by +** s00. The string is scanned up to the first unrecognized +** character. +**a +** If the value of se is not (char **)NULL, a pointer to +** the character terminating the scan is returned in the location pointed +** to by se. If no number can be formed, se is set to s00, and +** zero is returned. +*/ +NSPR_API(PRFloat64) +PR_strtod(const char *s00, char **se); + +/* +** PR_cnvtf() +** conversion routines for floating point +** prcsn - number of digits of precision to generate floating +** point value. +*/ +NSPR_API(void) PR_cnvtf(char *buf, PRIntn bufsz, PRIntn prcsn, PRFloat64 fval); + +/* +** PR_dtoa() converts double to a string. +** +** ARGUMENTS: +** If rve is not null, *rve is set to point to the end of the return value. +** If d is +-Infinity or NaN, then *decpt is set to 9999. +** +** mode: +** 0 ==> shortest string that yields d when read in +** and rounded to nearest. +*/ +NSPR_API(PRStatus) PR_dtoa(PRFloat64 d, PRIntn mode, PRIntn ndigits, + PRIntn *decpt, PRIntn *sign, char **rve, char *buf, PRSize bufsize); + +PR_END_EXTERN_C + +#endif /* prdtoa_h___ */ |