Fraction: Revert "fdo#81356: convert Fraction to boost::rational<long> - wip"

This reverts commit 47a2d7642d249d70b5da0c330a73f3a0032e4bba.

Conflicts:

cui/source/tabpages/transfrm.cxx
svx/source/svdraw/svdedtv1.cxx
svx/source/svdraw/svdibrow.cxx
sw/source/filter/ww1/w1filter.cxx
tools/source/generic/rational.cxx

Change-Id: I4849916f5f277a4afef0e279b0135c76b36b9d15

1 files changed, 142 insertions, 0 deletions

diff --git a/include/tools/fract.hxx b/include/tools/fract.hxx
new file mode 100644
index 000000000000..10e810ecb4ca
--- /dev/null
+++ b/include/tools/fract.hxx
@@ -0,0 +1,142 @@
+/* -*- 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 INCLUDED_TOOLS_FRACT_HXX
+#define INCLUDED_TOOLS_FRACT_HXX
+
+#include <tools/toolsdllapi.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& ReadFraction( SvStream& rIStream, Fraction& rFract );
+    TOOLS_DLLPUBLIC friend SvStream& WriteFraction( 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: */