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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 _FRACT_HXX
+#define _FRACT_HXX
+
+#include "tools/toolsdllapi.h"
+#include <tools/solar.h>
+
+class SvStream;
+
+class TOOLS_DLLPUBLIC SAL_WARN_UNUSED Fraction
+{
+private:
+ long nNumerator;
+ long nDenominator;
+
+public:
+ Fraction() { nNumerator = 0; nDenominator = 1; }
+ Fraction( const Fraction & rFrac );
+ Fraction( long nNum, long nDen=1 );
+ Fraction( double dVal );
+
+ bool IsValid() const;
+
+ long GetNumerator() const { return nNumerator; }
+ long GetDenominator() const { return nDenominator; }
+
+ operator long() const;
+ operator double() const;
+
+ Fraction& operator=( const Fraction& rfrFrac );
+
+ Fraction& operator+=( const Fraction& rfrFrac );
+ Fraction& operator-=( const Fraction& rfrFrac );
+ Fraction& operator*=( const Fraction& rfrFrac );
+ Fraction& operator/=( const Fraction& rfrFrac );
+
+ void ReduceInaccurate( unsigned nSignificantBits );
+
+ friend inline Fraction operator+( const Fraction& rVal1, const Fraction& rVal2 );
+ friend inline Fraction operator-( const Fraction& rVal1, const Fraction& rVal2 );
+ friend inline Fraction operator*( const Fraction& rVal1, const Fraction& rVal2 );
+ friend inline Fraction operator/( const Fraction& rVal1, const Fraction& rVal2 );
+
+ TOOLS_DLLPUBLIC friend bool operator==( const Fraction& rVal1, const Fraction& rVal2 );
+ friend inline bool operator!=( const Fraction& rVal1, const Fraction& rVal2 );
+ TOOLS_DLLPUBLIC friend bool operator< ( const Fraction& rVal1, const Fraction& rVal2 );
+ TOOLS_DLLPUBLIC friend bool operator> ( const Fraction& rVal1, const Fraction& rVal2 );
+ friend inline bool operator<=( const Fraction& rVal1, const Fraction& rVal2 );
+ friend inline bool operator>=( const Fraction& rVal1, const Fraction& rVal2 );
+
+ TOOLS_DLLPUBLIC friend SvStream& operator>>( SvStream& rIStream, Fraction& rFract );
+ TOOLS_DLLPUBLIC friend SvStream& operator<<( SvStream& rOStream, const Fraction& rFract );
+};
+
+inline Fraction::Fraction( const Fraction& rFrac )
+{
+ nNumerator = rFrac.nNumerator;
+ nDenominator = rFrac.nDenominator;
+}
+
+inline Fraction& Fraction::operator=( const Fraction& rFrac )
+{
+ nNumerator = rFrac.nNumerator;
+ nDenominator = rFrac.nDenominator;
+ return *this;
+}
+
+inline bool Fraction::IsValid() const
+{
+ return (nDenominator > 0);
+}
+
+inline Fraction::operator long() const
+{
+ if ( nDenominator > 0 )
+ return (nNumerator / nDenominator);
+ else
+ return 0;
+}
+
+inline Fraction operator+( const Fraction& rVal1, const Fraction& rVal2 )
+{
+ Fraction aErg( rVal1 );
+ aErg += rVal2;
+ return aErg;
+}
+
+inline Fraction operator-( const Fraction& rVal1, const Fraction& rVal2 )
+{
+ Fraction aErg( rVal1 );
+ aErg -= rVal2;
+ return aErg;
+}
+
+inline Fraction operator*( const Fraction& rVal1, const Fraction& rVal2 )
+{
+ Fraction aErg( rVal1 );
+ aErg *= rVal2;
+ return aErg;
+}
+
+inline Fraction operator/( const Fraction& rVal1, const Fraction& rVal2 )
+{
+ Fraction aErg( rVal1 );
+ aErg /= rVal2;
+ return aErg;
+}
+
+inline bool operator !=( const Fraction& rVal1, const Fraction& rVal2 )
+{
+ return !(rVal1 == rVal2);
+}
+
+inline bool operator <=( const Fraction& rVal1, const Fraction& rVal2 )
+{
+ return !(rVal1 > rVal2);
+}
+
+inline bool operator >=( const Fraction& rVal1, const Fraction& rVal2 )
+{
+ return !(rVal1 < rVal2);
+}
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */