You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
68 lines
1.2 KiB
C++
68 lines
1.2 KiB
C++
9 years ago
|
/** \file QDecNumber.cc
|
||
|
|
* Definitions for the class QDecNumber.
|
||
|
|
*
|
||
|
|
* (C) Copyright by Semih Cemiloglu
|
||
|
|
* All rights reserved, see COPYRIGHT file for details.
|
||
|
|
*
|
||
|
|
* $Id$
|
||
|
|
*
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include "QDecNumber.hh"
|
||
|
|
#include <stdlib.h>
|
||
|
|
#include <QTextStream>
|
||
|
|
#include "QDecSingle.hh"
|
||
|
|
#include "QDecDouble.hh"
|
||
|
|
#include "QDecQuad.hh"
|
||
|
|
#include "QDecPacked.hh"
|
||
|
|
extern "C" {
|
||
|
|
#include "decimal32.h"
|
||
|
|
#include "decimal64.h"
|
||
|
|
#include "decimal128.h"
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
QDecNumber::QDecNumber(const QDecSingle& s)
|
||
|
|
{ decSingleToNumber(s.data(), &m_data); }
|
||
|
|
|
||
|
|
QDecNumber::QDecNumber(const QDecDouble& d)
|
||
|
|
{ decDoubleToNumber(d.data(), &m_data); }
|
||
|
|
|
||
|
|
QDecNumber::QDecNumber(const QDecQuad& q)
|
||
|
|
{ decQuadToNumber(q.data(), &m_data); }
|
||
|
|
|
||
|
|
QDecNumber::QDecNumber(const QDecPacked& p)
|
||
|
|
{ *this = p.toQDecNumber(); }
|
||
|
|
|
||
|
|
|
||
|
|
QDecNumber& QDecNumber::fromDouble(double d)
|
||
|
|
{
|
||
|
|
char str[MaxStrSize] = { 0 };
|
||
|
|
|
||
|
|
#if defined(_MSC_VER)
|
||
|
|
_snprintf(str, MaxStrSize, "%.*g", QDecNumDigits, d);
|
||
|
|
#else
|
||
|
|
snprintf(str, MaxStrSize, "%.*g", QDecNumDigits, d);
|
||
|
|
#endif
|
||
|
|
return fromString(str);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
double QDecNumber::toDouble() const
|
||
|
|
{
|
||
|
|
char str[MaxStrSize] = { 0 };
|
||
|
|
|
||
|
|
decNumberToString(&m_data, str);
|
||
|
|
return strtod(str, 0);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
QTextStream& operator<<(QTextStream& ts, const QDecNumber& n)
|
||
|
|
{
|
||
|
|
ts << n.toString();
|
||
|
|
return ts;
|
||
|
|
}
|
||
|
|
|