From ed5640d8b587fbcfed7dd7967f3de04b37a76f26 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 11:06:44 +0200 Subject: Adding upstream version 4:7.4.7. Signed-off-by: Daniel Baumann --- chart2/source/inc/RegressionCalculationHelper.hxx | 134 ++++++++++++++++++++++ 1 file changed, 134 insertions(+) create mode 100644 chart2/source/inc/RegressionCalculationHelper.hxx (limited to 'chart2/source/inc/RegressionCalculationHelper.hxx') diff --git a/chart2/source/inc/RegressionCalculationHelper.hxx b/chart2/source/inc/RegressionCalculationHelper.hxx new file mode 100644 index 000000000..0b9600e99 --- /dev/null +++ b/chart2/source/inc/RegressionCalculationHelper.hxx @@ -0,0 +1,134 @@ +/* -*- 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 . + */ +#pragma once + +#include + +#include +#include +#include + +namespace chart::RegressionCalculationHelper +{ + +typedef std::pair< std::vector< double >, std::vector< double > > tDoubleVectorPair; + +/** takes the given x- and y-values and copies them into the resulting pair, + which contains x-values in the first element and the y-values in the second + one. All tuples for which aPred is false are not copied. + +

The function below provide a set of useful predicates that can be + used to pass as parameter aPred.

+ */ +template< class Pred > +tDoubleVectorPair + cleanup( const css::uno::Sequence< double > & rXValues, + const css::uno::Sequence< double > & rYValues, + Pred aPred ) +{ + tDoubleVectorPair aResult; + sal_Int32 nSize = std::min( rXValues.getLength(), rYValues.getLength()); + for( sal_Int32 i=0; i= 0.0 ); + } +}; + +class isValidAndBothPositive +{ +public: + bool operator()( double x, double y ) + { return ! ( std::isnan( x ) || + std::isnan( y ) || + std::isinf( x ) || + std::isinf( y ) || + x <= 0.0 || + y <= 0.0 ); + } +}; + +class isValidAndXPositiveAndYNegative +{ +public: + bool operator()( double x, double y ) + { return ! ( std::isnan( x ) || + std::isnan( y ) || + std::isinf( x ) || + std::isinf( y ) || + x <= 0.0 || + y >= 0.0 ); + } +}; + +} // namespace chart::RegressionCalculationHelper + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ -- cgit v1.2.3