48 lines
1.0 KiB
C
48 lines
1.0 KiB
C
/* $NetBSD: strtold_subr.c,v 1.1 2006/03/15 17:35:18 kleink Exp $ */
|
|
|
|
/*
|
|
* Written by Klaus Klein <kleink@NetBSD.org>, November 16, 2005.
|
|
* Public domain.
|
|
*/
|
|
|
|
/*
|
|
* NOTICE: This is not a standalone file. To use it, #include it in
|
|
* the format-specific strtold_*.c, like so:
|
|
*
|
|
* #define GDTOA_LD_FMT <gdtoa extended-precision format code>
|
|
* #include "strtold_subr.c"
|
|
*/
|
|
|
|
#include <sys/cdefs.h>
|
|
#if defined(LIBC_SCCS) && !defined(lint)
|
|
__RCSID("$NetBSD: strtold_subr.c,v 1.1 2006/03/15 17:35:18 kleink Exp $");
|
|
#endif /* LIBC_SCCS and not lint */
|
|
|
|
#include "namespace.h"
|
|
#include <math.h>
|
|
#include <stdlib.h>
|
|
#include "gdtoa.h"
|
|
|
|
#ifdef __weak_alias
|
|
__weak_alias(strtold, _strtold)
|
|
#endif
|
|
|
|
#ifndef __HAVE_LONG_DOUBLE
|
|
#error no extended-precision long double type
|
|
#endif
|
|
|
|
#ifndef GDTOA_LD_FMT
|
|
#error GDTOA_LD_FMT must be defined by format-specific source file
|
|
#endif
|
|
|
|
#define STRTOP(x) __CONCAT(strtop, x)
|
|
|
|
long double
|
|
strtold(const char *nptr, char **endptr)
|
|
{
|
|
long double ld;
|
|
|
|
(void)STRTOP(GDTOA_LD_FMT)(nptr, endptr, &ld);
|
|
return ld;
|
|
}
|