windows-nt/Source/XPSP1/NT/base/crts/crtw32/stdcpp/xstod.c
2020-09-26 16:20:57 +08:00

39 lines
1 KiB
C

/* xstod.c -- dummies for _Sto* */
#include <stdlib.h>
#ifndef _CRTIMP2
#ifdef CRTDLL2
#define _CRTIMP2 __declspec(dllexport)
#else /* ndef CRTDLL2 */
#ifdef _DLL
#define _CRTIMP2 __declspec(dllimport)
#else /* ndef _DLL */
#define _CRTIMP2
#endif /* _DLL */
#endif /* CRTDLL2 */
#endif /* _CRTIMP2 */
_CRTIMP2 double __cdecl _Stod(const char *s, char **endptr, long pten)
{ /* convert string to double */
double x = strtod(s, endptr);
for (; 0 < pten; --pten)
x *= 10.0;
for (; pten < 0; ++pten)
x /= 10.0;
return (x);
}
_CRTIMP2 float __cdecl _Stof(const char *s, char **endptr, long pten)
{ /* convert string to float */
return ((float)_Stod(s, endptr, pten));
}
_CRTIMP2 long double __cdecl _Stold(const char *s, char **endptr, long pten)
{ /* convert string to long double */
return ((long double)_Stod(s, endptr, pten));
}
/*
* Copyright (c) 1992-2001 by P.J. Plauger. ALL RIGHTS RESERVED.
* Consult your license regarding permissions and restrictions.
V3.10:0009 */