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Magne Sjaastad
7714d727fc
Make sure minimum value is always less than max and max value is always larger than min.
102 lines
2.7 KiB
C++
102 lines
2.7 KiB
C++
#include "gtest/gtest.h"
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#include "RiaNumericalTools.h"
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TEST( RiaNumericalTools, LogTenFunctions )
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{
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{
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// Negative values will return zero
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double value = -0.0015;
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auto exponentCeil = RiaNumericalTools::computeTenExponentCeil( value );
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EXPECT_EQ( 0.0f, exponentCeil );
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auto exponentFloor = RiaNumericalTools::computeTenExponentFloor( value );
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EXPECT_EQ( 0.0f, exponentFloor );
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}
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{
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double value = 0.15;
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auto exponentCeil = RiaNumericalTools::computeTenExponentCeil( value );
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EXPECT_EQ( 0.0f, exponentCeil );
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auto exponentFloor = RiaNumericalTools::computeTenExponentFloor( value );
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EXPECT_EQ( -1.0f, exponentFloor );
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}
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{
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double value = 1.5;
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auto exponentCeil = RiaNumericalTools::computeTenExponentCeil( value );
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EXPECT_EQ( 1.0f, exponentCeil );
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auto exponentFloor = RiaNumericalTools::computeTenExponentFloor( value );
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EXPECT_EQ( 0.0f, exponentFloor );
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}
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{
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double value = 15;
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auto exponentCeil = RiaNumericalTools::computeTenExponentCeil( value );
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EXPECT_EQ( 2.0f, exponentCeil );
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auto exponentFloor = RiaNumericalTools::computeTenExponentFloor( value );
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EXPECT_EQ( 1.0f, exponentFloor );
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}
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}
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TEST( RiaNumericalTools, RoundToSignificant )
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{
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struct TestValues
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{
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double value;
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double expectedCeil;
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double expectedFloor;
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};
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TestValues testValues[] = {
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{ -0.00152, -0.0015, -0.0016 },
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{ -15, -15, -15 },
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{ -159, -150, -160 },
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{ 0.02, 0.02, 0.02 },
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{ 152, 160.0, 150.0 },
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{ 1520, 1600.0, 1500.0 },
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{ 15913, 16000.0, 15000.0 },
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};
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for ( const auto& testValue : testValues )
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{
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auto valueCeil = RiaNumericalTools::roundToNumSignificantDigitsCeil( testValue.value, 2 );
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EXPECT_EQ( testValue.expectedCeil, valueCeil );
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auto valueFloor = RiaNumericalTools::roundToNumSignificantDigitsFloor( testValue.value, 2 );
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EXPECT_EQ( testValue.expectedFloor, valueFloor );
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}
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}
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TEST( RiaNumericalTools, ValueInRange )
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{
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struct TestValues
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{
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double value;
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double minimum;
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double maximum;
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bool expectedResult;
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};
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TestValues testValues[] = {
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{ 5, 0, 10, true },
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{ -5, 0, 10, false },
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{ 1.0, 1.0, 2.0, true },
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{ 2.0, 1.0, 2.0, true },
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{ 2.1, 1.0, 2.0, false },
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};
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for ( const auto& testValue : testValues )
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{
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auto isInRange = RiaNumericalTools::isValueInRange( testValue.value, std::pair( testValue.minimum, testValue.maximum ) );
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EXPECT_EQ( testValue.expectedResult, isInRange );
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}
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}
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