134 lines
4.3 KiB
C++
134 lines
4.3 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*************************************************************************
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*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* Copyright 2000, 2010 Oracle and/or its affiliates.
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* This file is part of OpenOffice.org.
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*
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* OpenOffice.org is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License version 3
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* only, as published by the Free Software Foundation.
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*
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* OpenOffice.org is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License version 3 for more details
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* (a copy is included in the LICENSE file that accompanied this code).
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*
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* You should have received a copy of the GNU Lesser General Public License
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* version 3 along with OpenOffice.org. If not, see
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* <http://www.openoffice.org/license.html>
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* for a copy of the LGPLv3 License.
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*
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************************************************************************/
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#ifndef CHART2_REGRESSIONCALCULATIONHELPER_HXX
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#define CHART2_REGRESSIONCALCULATIONHELPER_HXX
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#include <rtl/math.hxx>
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#include <utility>
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#include <functional>
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#include <vector>
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#include <rtl/math.hxx>
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#define NUMBER_TO_STR(number) (::rtl::OStringToOUString(::rtl::math::doubleToString( \
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number, rtl_math_StringFormat_G, 4, '.', true ),RTL_TEXTENCODING_ASCII_US ))
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#define UC_SPACE (sal_Unicode(' '))
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#define UC_MINUS_SIGN (sal_Unicode('-'))
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// #define UC_MINUS_SIGN (sal_Unicode(0x2212))
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namespace chart
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{
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namespace RegressionCalculationHelper
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{
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typedef ::std::pair< ::std::vector< double >, ::std::vector< double > > tDoubleVectorPair;
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/** takes the given x- and y-values and copyies them into the resulting pair,
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which contains x-values in the first element and the y-values in the second
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one. All tuples for which aPred is false are not copied.
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<p>The functors below provide a set of useful predicates that can be
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used to pass as parameter aPred.</p>
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*/
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template< class Pred >
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tDoubleVectorPair
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cleanup( const ::com::sun::star::uno::Sequence< double > & rXValues,
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const ::com::sun::star::uno::Sequence< double > & rYValues,
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Pred aPred )
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{
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tDoubleVectorPair aResult;
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sal_Int32 nSize = ::std::min( rXValues.getLength(), rYValues.getLength());
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for( sal_Int32 i=0; i<nSize; ++i )
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{
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if( aPred( rXValues[i], rYValues[i] ))
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{
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aResult.first.push_back( rXValues[i] );
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aResult.second.push_back( rYValues[i] );
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}
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}
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return aResult;
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}
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class isValid : public ::std::binary_function< double, double, bool >
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{
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public:
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inline bool operator()( double x, double y )
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{ return ! ( ::rtl::math::isNan( x ) ||
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::rtl::math::isNan( y ) ||
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::rtl::math::isInf( x ) ||
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::rtl::math::isInf( y ) );
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}
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};
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class isValidAndXPositive : public ::std::binary_function< double, double, bool >
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{
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public:
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inline bool operator()( double x, double y )
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{ return ! ( ::rtl::math::isNan( x ) ||
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::rtl::math::isNan( y ) ||
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::rtl::math::isInf( x ) ||
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::rtl::math::isInf( y ) ||
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x <= 0.0 );
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}
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};
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class isValidAndYPositive : public ::std::binary_function< double, double, bool >
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{
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public:
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inline bool operator()( double x, double y )
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{ return ! ( ::rtl::math::isNan( x ) ||
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::rtl::math::isNan( y ) ||
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::rtl::math::isInf( x ) ||
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::rtl::math::isInf( y ) ||
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y <= 0.0 );
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}
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};
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class isValidAndBothPositive : public ::std::binary_function< double, double, bool >
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{
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public:
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inline bool operator()( double x, double y )
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{ return ! ( ::rtl::math::isNan( x ) ||
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::rtl::math::isNan( y ) ||
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::rtl::math::isInf( x ) ||
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::rtl::math::isInf( y ) ||
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x <= 0.0 ||
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y <= 0.0 );
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}
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};
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} // namespace RegressionCalculationHelper
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} // namespace chart
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// CHART2_REGRESSIONCALCULATIONHELPER_HXX
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#endif
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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