mirror of https://github.com/tongzx/nt5src
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
42 lines
1.0 KiB
42 lines
1.0 KiB
/***
|
|
* istrldbl.cpp - definitions for istream class operator>>(long double) funct
|
|
*
|
|
* Copyright (c) 1991-2001, Microsoft Corporation. All rights reserved.
|
|
*
|
|
*Purpose:
|
|
* Definitions of operator>>(long double) member function for istream
|
|
* class.
|
|
* [AT&T C++]
|
|
*
|
|
*Revision History:
|
|
* 09-26-91 KRS Created. Split off from istream.cxx for granularity.
|
|
* 12-30-92 KRS Fix indirection problem with **endptr.
|
|
* 05-10-93 CFW Re-enable function, use strtod since no _strtold.
|
|
* 06-14-95 CFW Comment cleanup.
|
|
*
|
|
*******************************************************************************/
|
|
|
|
#include <cruntime.h>
|
|
#include <internal.h>
|
|
#include <stdlib.h>
|
|
#include <iostream.h>
|
|
#pragma hdrstop
|
|
|
|
#pragma check_stack(on) // large buffer(s)
|
|
|
|
#define MAXLDBLSIZ 32
|
|
|
|
istream& istream::operator>>(long double& n)
|
|
{
|
|
_WINSTATIC char ibuffer[MAXLDBLSIZ];
|
|
char ** endptr = (char**)NULL;
|
|
if (ipfx(0))
|
|
{
|
|
if (getdouble(ibuffer, MAXLDBLSIZ)>0)
|
|
{
|
|
n = (long double)strtod(ibuffer, endptr);
|
|
}
|
|
isfx();
|
|
}
|
|
return *this;
|
|
}
|