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Unit test for interpolation

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p4#: 21496
This commit is contained in:
Magne Sjaastad 2013-04-30 13:08:04 +02:00
parent 6ef5205343
commit 71187d5bbc
2 changed files with 13 additions and 15 deletions
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10
ApplicationCode/ReservoirDataModel/ReservoirDataModel_UnitTests/RigStatisticsMath-Test.cpp
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@ -175,10 +175,8 @@ TEST(RigStatisticsMath, InterpolatedPercentiles)
pValPos.push_back(90);
std::vector<double> pVals = RigStatisticsMath::calculateInterpolatedPercentiles(values, pValPos);
/*
EXPECT_DOUBLE_EQ( -76092.8157632591000, pVals[0]);
EXPECT_DOUBLE_EQ( 2788.2723335651900 , pVals[1]);
EXPECT_DOUBLE_EQ( 6391.979999097290 , pVals[2]);
EXPECT_DOUBLE_EQ( 96161.7546348456000 , pVals[3]);
*/
EXPECT_DOUBLE_EQ( -72278.340409937548, pVals[0]);
EXPECT_DOUBLE_EQ( -2265.6006907818719, pVals[1]);
EXPECT_DOUBLE_EQ( 6391.9799990972897, pVals[2]);
EXPECT_DOUBLE_EQ( 93073.49128098879, pVals[3]);
}

18
ApplicationCode/ReservoirDataModel/RigStatisticsMath.cpp
View File

@ -142,22 +142,22 @@ std::vector<double> RigStatisticsMath::calculateInterpolatedPercentiles(const st
{
double pVal = HUGE_VAL;
double doubleIndex = sortedValues.size() * fabs(pValPositions[i]) / 100.0;
double doubleIndex = (sortedValues.size() - 1) * fabs(pValPositions[i]) / 100.0;
size_t lowerValueIndex = static_cast<size_t>(floor(doubleIndex));
size_t upperValueIndex = lowerValueIndex + 1;
if (lowerValueIndex >= sortedValues.size() ) lowerValueIndex = sortedValues.size() - 1;
if (upperValueIndex >= sortedValues.size() ) upperValueIndex = sortedValues.size() - 1;
double upperValueWeight = 1.0;
if (lowerValueIndex != upperValueIndex)
{
upperValueWeight = doubleIndex - lowerValueIndex;
double upperValueWeight = doubleIndex - lowerValueIndex;
assert(upperValueWeight < 1.0);
}
if (upperValueIndex < sortedValues.size())
{
pVal = (1.0 - upperValueWeight) * sortedValues[lowerValueIndex] + upperValueWeight * sortedValues[upperValueIndex];
}
else
{
pVal = sortedValues[lowerValueIndex];
}
percentiles[i] = pVal;
}
}