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#7116 Add extrapolation options for linear interpolation tool.

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This commit is contained in:
Kristian Bendiksen
2021-03-05 14:04:25 +01:00
committed by Magne Sjaastad
parent c1f7f0f66f
commit f3fe51ef65
3 changed files with 78 additions and 3 deletions
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41
ApplicationLibCode/UnitTests/RiaInterpolationTools-Test.cpp
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@@ -81,7 +81,46 @@ TEST( RiaInterpolationToolsTest, ValidIntervalValueTooHigh )
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
TEST( RiaInterpolationToolsTest, InterpolateMisssingValuesStraightLine )
TEST( RiaInterpolationToolsTest, ValidIntervalValueTooHighExtrapolationClosest )
{
std::vector<double> x = { 0.0, 1.0 };
std::vector<double> y = { 0.0, 2.0 };
// Outside interval on high side
double res = RiaInterpolationTools::linear( x, y, 100.0, RiaInterpolationTools::ExtrapolationMode::CLOSEST );
EXPECT_DOUBLE_EQ( 2.0, res );
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
TEST( RiaInterpolationToolsTest, ValidIntervalValueTooLowExtrapolationClosest )
{
std::vector<double> x = { 0.0, 1.0 };
std::vector<double> y = { 0.0, 2.0 };
// Outside interval on low side
double res = RiaInterpolationTools::linear( x, y, -1.0, RiaInterpolationTools::ExtrapolationMode::CLOSEST );
EXPECT_DOUBLE_EQ( 0.0, res );
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
TEST( RiaInterpolationToolsTest, ValidIntervalValueTooLowExtrapolationTrend )
{
std::vector<double> x = { 0.0, 1.0 };
std::vector<double> y = { 0.0, 2.0 };
// Outside interval on low side
double res = RiaInterpolationTools::linear( x, y, -1.0, RiaInterpolationTools::ExtrapolationMode::TREND );
EXPECT_DOUBLE_EQ( -2.0, res );
}
//--------------------------------------------------------------------------------------------------
///
//--------------------------------------------------------------------------------------------------
TEST( RiaInterpolationToolsTest, InterpolateMissingValuesStraightLine )
{
double inf = std::numeric_limits<double>::infinity();
std::vector<double> x = { 0.0, 1.0, 2.0, 3.0, 4.0, 5.0 };