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Welcome zend_finite(n).

Browse source 
This chooses the best combination of what is available:

finite, isfinite, isinf, isnan
This commit is contained in:
Sascha Schumann 2000-06-18 16:33:15 +00:00
parent 6e815b76ea
commit 0404a02430
4 changed files with 20 additions and 13 deletions
Download patch file Download diff file Expand all files Collapse all files

5
Zend/Zend.m4
View file

@ -65,6 +65,8 @@ AC_FUNC_ALLOCA
AC_CHECK_FUNCS(memcpy strdup getpid kill strtod strtol finite)
AC_ZEND_BROKEN_SPRINTF
AC_CHECK_FUNCS(finite isfinite isinf isnan)
AC_SUBST(ZEND_SCANNER)
])
@ -95,9 +97,6 @@ AC_ARG_ENABLE(debug,
AC_DEFUN(LIBZEND_OTHER_CHECKS,[
AC_ARG_ENABLE(c9x-inline,

14
Zend/acconfig.h
View file

@ -35,6 +35,20 @@ int zend_sprintf(char *buffer, const char *format, ...);
# define zend_sprintf sprintf
#endif
#ifdef HAVE_FINITE
#define zend_finite(a) finite(a)
#elif defined(HAVE_ISFINITE)
#define zend_finite(a) isfinite(a)
#elif defined(HAVE_ISNAN) && defined(HAVE_ISINF)
#define zend_finite(a) (isnan(a) ? 0 : isinf(a) ? 0 : 1)
#elif defined(HAVE_ISNAN)
#define zend_finite(a) (isnan(a) ? 0 : 1)
#elif defined(HAVE_ISINF)
#define zend_finite(a) (isinf(a) ? 0 : 1)
#else
#define zend_finite(a) (1)
#endif
/*
* Local variables:
* tab-width: 4

2
Zend/zend_config.w32.h
View file

@ -63,7 +63,7 @@ typedef unsigned int uint;
# define inline
#endif
#define finite(A) _finite(A)
#define zend_finite(A) _finite(A)
#ifdef LIBZEND_EXPORTS
# define ZEND_API __declspec(dllexport)

10
Zend/zend_operators.h
View file

@ -24,15 +24,9 @@
#include <errno.h>
#include <math.h>
#ifndef HAVE_FINITE
#ifndef finite /* in case it's already a macro */
#define finite(a) isfinite(a) /* HPUX 11 only has isfinite() */
#endif
#else
#if HAVE_IEEEFP_H
#ifdef HAVE_IEEEFP_H
#include <ieeefp.h>
#endif
#endif
#if WITH_BCMATH
#include "ext/bcmath/number.h"
@ -87,7 +81,7 @@ ZEND_API inline int is_numeric_string(char *str, int length, long *lval, double
errno=0;
local_dval = strtod(str, &end_ptr);
if (errno!=ERANGE && end_ptr == str+length) { /* floating point string */
if (! finite(local_dval)) {
if (! zend_finite(local_dval)) {
/* "inf","nan" and maybe other weird ones */
return 0;
}