mirror of
https://github.com/OPM/ResInsight.git
synced 2025-01-10 08:03:05 -06:00
62 lines
2.8 KiB
C++
62 lines
2.8 KiB
C++
/////////////////////////////////////////////////////////////////////////////////
|
|
//
|
|
// Copyright (C) 2020 Equinor ASA
|
|
//
|
|
// ResInsight is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU General Public License as published by
|
|
// the Free Software Foundation, either version 3 of the License, or
|
|
// (at your option) any later version.
|
|
//
|
|
// ResInsight is distributed in the hope that it will be useful, but WITHOUT ANY
|
|
// WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
// FITNESS FOR A PARTICULAR PURPOSE.
|
|
//
|
|
// See the GNU General Public License at <http://www.gnu.org/licenses/gpl.html>
|
|
// for more details.
|
|
//
|
|
/////////////////////////////////////////////////////////////////////////////////
|
|
|
|
#pragma once
|
|
|
|
#include <vector>
|
|
|
|
//==================================================================================================
|
|
//
|
|
//==================================================================================================
|
|
class RiaInterpolationTools
|
|
{
|
|
public:
|
|
enum class ExtrapolationMode
|
|
{
|
|
NONE,
|
|
CLOSEST,
|
|
TREND
|
|
};
|
|
|
|
static double linear( const std::vector<double>& x,
|
|
const std::vector<double>& y,
|
|
double value,
|
|
ExtrapolationMode extrapolationMode = ExtrapolationMode::NONE );
|
|
|
|
// Interpolate/extrapolate away inf values in y vector.
|
|
static void interpolateMissingValues( const std::vector<double>& x, std::vector<double>& y );
|
|
|
|
private:
|
|
static int interpolateRange( int start,
|
|
int end,
|
|
int firstPoint,
|
|
int lastPoint,
|
|
const std::vector<double>& x,
|
|
std::vector<double>& y );
|
|
static int extrapolateRange( int start,
|
|
int end,
|
|
int firstPoint,
|
|
int lastPoint,
|
|
const std::vector<double>& x,
|
|
std::vector<double>& y );
|
|
static int findNextDataPoint( const std::vector<double>& values, int index );
|
|
static int findPreviousDataPoint( const std::vector<double>& values, int index );
|
|
static double extrapolate( const std::vector<double>& x, const std::vector<double>& y, double value );
|
|
static double extrapolateClosestValue( const std::vector<double>& x, const std::vector<double>& y, double value );
|
|
};
|