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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed
+ * with this work for additional information regarding copyright
+ * ownership. The ASF licenses this file to you under the Apache
+ * License, Version 2.0 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+#ifndef _BIGINT_HXX
+#define _BIGINT_HXX
+
+#include <climits>
+#include <rtl/ustring.hxx>
+#include "tools/toolsdllapi.h"
+#include <tools/solar.h>
+
+class SvStream;
+
+#ifdef _TLBIGINT_INT64
+struct SbxINT64;
+struct SbxUINT64;
+#endif
+
+#define MAX_DIGITS 8
+
+class Fraction;
+
+class TOOLS_DLLPUBLIC SAL_WARN_UNUSED BigInt
+{
+private:
+ long nVal;
+ unsigned short nNum[MAX_DIGITS];
+ sal_uInt8 nLen : 5; // current length
+ sal_Bool bIsNeg : 1, // Is Sign negative?
+ bIsBig : 1, // sal_True == BigInt
+ bIsSet : 1; // Not "Null" (not "not 0")
+
+ TOOLS_DLLPRIVATE void MakeBigInt(BigInt const &);
+ TOOLS_DLLPRIVATE void Normalize();
+ TOOLS_DLLPRIVATE void Mult(BigInt const &, sal_uInt16);
+ TOOLS_DLLPRIVATE void Div(sal_uInt16, sal_uInt16 &);
+ TOOLS_DLLPRIVATE sal_Bool IsLess(BigInt const &) const;
+ TOOLS_DLLPRIVATE void AddLong(BigInt &, BigInt &);
+ TOOLS_DLLPRIVATE void SubLong(BigInt &, BigInt &);
+ TOOLS_DLLPRIVATE void MultLong(BigInt const &, BigInt &) const;
+ TOOLS_DLLPRIVATE void DivLong(BigInt const &, BigInt &) const;
+ TOOLS_DLLPRIVATE void ModLong(BigInt const &, BigInt &) const;
+ TOOLS_DLLPRIVATE sal_Bool ABS_IsLess(BigInt const &) const;
+
+public:
+ BigInt();
+ BigInt( short nVal );
+ BigInt( long nVal );
+ BigInt( int nVal );
+ BigInt( double nVal );
+ BigInt( sal_uInt16 nVal );
+ BigInt( sal_uInt32 nVal );
+ BigInt( const BigInt& rBigInt );
+ BigInt( const OUString& rString );
+#ifdef _TLBIGINT_INT64
+ BigInt( const SbxINT64 &r );
+ BigInt( const SbxUINT64 &r );
+#endif
+
+ operator short() const;
+ operator long() const;
+ operator int() const;
+ operator double() const;
+ operator sal_uInt16() const;
+ operator sal_uIntPtr() const;
+
+ void Set( sal_Bool bSet ) { bIsSet = bSet; }
+ OUString GetString() const;
+
+ sal_Bool IsSet() const { return bIsSet; }
+ sal_Bool IsNeg() const;
+ sal_Bool IsZero() const;
+ sal_Bool IsOne() const;
+ sal_Bool IsLong() const { return !bIsBig; }
+ void Abs();
+#ifdef _TLBIGINT_INT64
+ sal_Bool INT64 ( SbxINT64 *p ) const;
+ sal_Bool UINT64( SbxUINT64 *p ) const;
+#endif
+
+ BigInt& operator =( const BigInt& rVal );
+ BigInt& operator +=( const BigInt& rVal );
+ BigInt& operator -=( const BigInt& rVal );
+ BigInt& operator *=( const BigInt& rVal );
+ BigInt& operator /=( const BigInt& rVal );
+ BigInt& operator %=( const BigInt& rVal );
+
+ BigInt& operator =( const short nValue );
+ BigInt& operator =( const long nValue );
+ BigInt& operator =( const int nValue );
+ BigInt& operator =( const sal_uInt16 nValue );
+
+ friend inline BigInt operator +( const BigInt& rVal1, const BigInt& rVal2 );
+ friend inline BigInt operator -( const BigInt& rVal1, const BigInt& rVal2 );
+ friend inline BigInt operator *( const BigInt& rVal1, const BigInt& rVal2 );
+ friend inline BigInt operator /( const BigInt& rVal1, const BigInt& rVal2 );
+ friend inline BigInt operator %( const BigInt& rVal1, const BigInt& rVal2 );
+
+ TOOLS_DLLPUBLIC friend sal_Bool operator==( const BigInt& rVal1, const BigInt& rVal2 );
+ friend inline sal_Bool operator!=( const BigInt& rVal1, const BigInt& rVal2 );
+ TOOLS_DLLPUBLIC friend sal_Bool operator< ( const BigInt& rVal1, const BigInt& rVal2 );
+ TOOLS_DLLPUBLIC friend sal_Bool operator> ( const BigInt& rVal1, const BigInt& rVal2 );
+ friend inline sal_Bool operator<=( const BigInt& rVal1, const BigInt& rVal2 );
+ friend inline sal_Bool operator>=( const BigInt& rVal1, const BigInt& rVal2 );
+
+ friend class Fraction;
+};
+
+inline BigInt::BigInt()
+{
+ bIsSet = sal_False;
+ bIsBig = sal_False;
+ nVal = 0;
+}
+
+inline BigInt::BigInt( short nValue )
+{
+ bIsSet = sal_True;
+ bIsBig = sal_False;
+ nVal = nValue;
+}
+
+inline BigInt::BigInt( long nValue )
+{
+ bIsSet = sal_True;
+ bIsBig = sal_False;
+ nVal = nValue;
+}
+
+inline BigInt::BigInt( int nValue )
+{
+ bIsSet = sal_True;
+ bIsBig = sal_False;
+ nVal = nValue;
+}
+
+inline BigInt::BigInt( sal_uInt16 nValue )
+{
+ bIsSet = sal_True;
+ bIsBig = sal_False;
+ nVal = nValue;
+}
+
+inline BigInt::operator short() const
+{
+ if ( !bIsBig && nVal >= SHRT_MIN && nVal <= SHRT_MAX )
+ return (short)nVal;
+ else
+ return 0;
+}
+
+inline BigInt::operator long() const
+{
+ if ( !bIsBig )
+ return nVal;
+ else
+ return 0;
+}
+
+inline BigInt::operator int() const
+{
+ if ( !bIsBig && (nVal == (long)(int)nVal) )
+ return (int)nVal;
+ else
+ return 0;
+}
+
+inline BigInt::operator sal_uInt16() const
+{
+ if ( !bIsBig && nVal >= 0 && nVal <= USHRT_MAX )
+ return (sal_uInt16)nVal;
+ else
+ return 0;
+}
+
+inline BigInt& BigInt::operator =( const short nValue )
+{
+ bIsSet = sal_True;
+ bIsBig = sal_False;
+ nVal = nValue;
+
+ return *this;
+}
+
+inline BigInt& BigInt::operator =( const long nValue )
+{
+ bIsSet = sal_True;
+ bIsBig = sal_False;
+ nVal = nValue;
+
+ return *this;
+}
+
+inline BigInt& BigInt::operator =( const int nValue )
+{
+ bIsSet = sal_True;
+ bIsBig = sal_False;
+ nVal = nValue;
+
+ return *this;
+}
+
+inline BigInt& BigInt::operator =( const sal_uInt16 nValue )
+{
+ bIsSet = sal_True;
+ bIsBig = sal_False;
+ nVal = nValue;
+
+ return *this;
+}
+
+inline sal_Bool BigInt::IsNeg() const
+{
+ if ( !bIsBig )
+ return (nVal < 0);
+ else
+ return (sal_Bool)bIsNeg;
+}
+
+inline sal_Bool BigInt::IsZero() const
+{
+ if ( bIsBig )
+ return sal_False;
+ else
+ return (nVal == 0);
+}
+
+inline sal_Bool BigInt::IsOne() const
+{
+ if ( bIsBig )
+ return sal_False;
+ else
+ return (nVal == 1);
+}
+
+inline void BigInt::Abs()
+{
+ if ( bIsBig )
+ bIsNeg = sal_False;
+ else if ( nVal < 0 )
+ nVal = -nVal;
+}
+
+inline BigInt operator+( const BigInt &rVal1, const BigInt &rVal2 )
+{
+ BigInt aErg( rVal1 );
+ aErg += rVal2;
+ return aErg;
+}
+
+inline BigInt operator-( const BigInt &rVal1, const BigInt &rVal2 )
+{
+ BigInt aErg( rVal1 );
+ aErg -= rVal2;
+ return aErg;
+}
+
+inline BigInt operator*( const BigInt &rVal1, const BigInt &rVal2 )
+{
+ BigInt aErg( rVal1 );
+ aErg *= rVal2;
+ return aErg;
+}
+
+inline BigInt operator/( const BigInt &rVal1, const BigInt &rVal2 )
+{
+ BigInt aErg( rVal1 );
+ aErg /= rVal2;
+ return aErg;
+}
+
+inline BigInt operator%( const BigInt &rVal1, const BigInt &rVal2 )
+{
+ BigInt aErg( rVal1 );
+ aErg %= rVal2;
+ return aErg;
+}
+
+inline sal_Bool operator!=( const BigInt& rVal1, const BigInt& rVal2 )
+{
+ return !(rVal1 == rVal2);
+}
+
+inline sal_Bool operator<=( const BigInt& rVal1, const BigInt& rVal2 )
+{
+ return !( rVal1 > rVal2);
+}
+
+inline sal_Bool operator>=( const BigInt& rVal1, const BigInt& rVal2 )
+{
+ return !(rVal1 < rVal2);
+}
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */