Category : C++ Source Code
Archive   : VCCRT1.ZIP
Filename : ISTRFLT.CXX

 
Output of file : ISTRFLT.CXX contained in archive : VCCRT1.ZIP
/***
* istrflt.cxx - definitions for istream operator>>(float) member function
*
* Copyright (c) 1991-1992, Microsoft Corporation. All rights reserved.
*
*Purpose:
* Definitions of operator>>(float) member function for istream class.
* [AT&T C++]
*
*******************************************************************************/

#include
#include
#include
#include
#pragma hdrstop

#pragma check_stack(on) // large buffer(s)

// CONSIDER: validate this maximum length
#define MAXFLTSIZ 20

istream& istream::operator>>(float& n)
{
_WINSTATIC char ibuffer[MAXFLTSIZ];
double d;
char ** endptr = (char**)NULL;
if (ipfx(0))
{
if (getdouble(ibuffer, MAXFLTSIZ)>0)
{
d = strtod(ibuffer, endptr);
#if 0
if (**endptr)
{
//UNDONE: put back any unread characters, if possible
}
#endif
if (d > FLT_MAX)
n = FLT_MAX;
else if (d < -FLT_MAX)
n = -FLT_MAX;
else if ((d>0) && (d< FLT_MIN))
n = FLT_MIN;
else if ((d<0) && (d> -FLT_MIN))
n = - FLT_MIN;
else
n = (float) d;
}
isfx();
}
return *this;
}


  3 Responses to “Category : C++ Source Code
Archive   : VCCRT1.ZIP
Filename : ISTRFLT.CXX
”

  1. Daniel says:
    January 27, 2013 at 3:59 pm

    Very nice! Thank you for this wonderful archive. I wonder why I found it only now. Long live the BBS file archives!

  2. Joshie says:
    March 18, 2014 at 4:57 pm

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  3. DiskingRound says:
    January 14, 2015 at 10:57 pm

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