51 lines
2.2 KiB
C
51 lines
2.2 KiB
C
/*
|
|
+----------------------------------------------------------------------+
|
|
| Zend Engine |
|
|
+----------------------------------------------------------------------+
|
|
| Copyright © Zend Technologies Ltd., a subsidiary company of |
|
|
| Perforce Software, Inc., and Contributors. |
|
|
+----------------------------------------------------------------------+
|
|
| This source file is subject to the Modified BSD License that is |
|
|
| bundled with this package in the file LICENSE, and is available |
|
|
| through the World Wide Web at <https://www.php.net/license/>. |
|
|
| |
|
|
| SPDX-License-Identifier: BSD-3-Clause |
|
|
+----------------------------------------------------------------------+
|
|
| Authors: Derick Rethans <derick@php.net> |
|
|
+----------------------------------------------------------------------+
|
|
*/
|
|
|
|
/* This is a header file for the strtod implementation by David M. Gay which
|
|
* can be found in zend_strtod.c */
|
|
#ifndef ZEND_STRTOD_H
|
|
#define ZEND_STRTOD_H
|
|
#include <zend.h>
|
|
|
|
BEGIN_EXTERN_C()
|
|
#define ZEND_STRTOD_K_MAX 7
|
|
typedef struct _zend_strtod_bigint zend_strtod_bigint;
|
|
typedef struct _zend_strtod_state {
|
|
zend_strtod_bigint *freelist[ZEND_STRTOD_K_MAX+1];
|
|
zend_strtod_bigint *p5s;
|
|
char *result;
|
|
} zend_strtod_state;
|
|
ZEND_API void zend_freedtoa(char *s);
|
|
ZEND_API char *zend_dtoa(double _d, int mode, int ndigits, int *decpt, bool *sign, char **rve);
|
|
ZEND_API char *zend_gcvt(double value, int ndigit, char dec_point, char exponent, char *buf);
|
|
ZEND_API double zend_strtod(const char *s00, const char **se);
|
|
ZEND_API double zend_hex_strtod(const char *str, const char **endptr);
|
|
ZEND_API double zend_oct_strtod(const char *str, const char **endptr);
|
|
ZEND_API double zend_bin_strtod(const char *str, const char **endptr);
|
|
ZEND_API int zend_shutdown_strtod(void);
|
|
END_EXTERN_C()
|
|
|
|
/* double limits */
|
|
#include <float.h>
|
|
#if defined(DBL_MANT_DIG) && defined(DBL_MIN_EXP)
|
|
#define ZEND_DOUBLE_MAX_LENGTH (3 + DBL_MANT_DIG - DBL_MIN_EXP)
|
|
#else
|
|
#define ZEND_DOUBLE_MAX_LENGTH 1080
|
|
#endif
|
|
|
|
#endif
|