mirror of https://github.com/FOME-Tech/fome-fw.git
libfirmware has interpolation tests (#4362)
* move interpolation tests * what actually happens if sanitize is off? * oh look there are real bugs to be caught by sanitizer
This commit is contained in:
Matthew Kennedy
GitHub
parent
2d1fb25ab4
commit
1596228f10
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@ -1 +1 @@
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Subproject commit ba9e280fc477c577dda124981b52f6108ff43015
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Subproject commit 112b0ec76630fdcf33321262c028122feff0d1e4
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@ -64,31 +64,6 @@ TEST(misc, testFindIndex) {
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}
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}
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TEST(misc, testInterpolate2d) {
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printf("*************************************************** testInterpolate2d\r\n");
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float bins4[] = { 1, 2, 3, 4 };
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float values4[] = { 1, 20, 30, 400 };
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int result;
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printf("Left size\r\n");
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result = interpolate2d(0, bins4, values4);
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ASSERT_EQ(1, result);
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printf("Right size\r\n");
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result = interpolate2d(10, bins4, values4);
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ASSERT_EQ(400, result);
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printf("Middle1\r\n");
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result = interpolate2d(3, bins4, values4);
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ASSERT_EQ(30, result);
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printf("Middle1\r\n");
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result = interpolate2d(3.5, bins4, values4);
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ASSERT_EQ(215, result);
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}
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TEST(misc, testSetTableValue) {
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printf("*************************************************** testSetTableValue\r\n");
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@ -108,171 +83,3 @@ TEST(misc, testSetTableValue) {
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ASSERT_FLOAT_EQ(1.4, config.cltFuelCorr[0]);
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}
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class TestTable2dSmall : public ::testing::Test
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{
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protected:
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float bins[2];
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float values[2];
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void SetUp() override
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{
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// This test maps [20,30] -> [100,200]
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copyArray(bins, { 20.0f, 30.0f });
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copyArray(values, { 100.0f, 200.0f });
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}
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};
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TEST_F(TestTable2dSmall, OffScaleLow)
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{
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EXPECT_FLOAT_EQ(interpolate2d(10, bins, values), 100);
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}
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TEST_F(TestTable2dSmall, OffScaleHigh)
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{
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EXPECT_FLOAT_EQ(interpolate2d(40, bins, values), 200);
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}
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TEST_F(TestTable2dSmall, EdgeLeft)
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{
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EXPECT_FLOAT_EQ(interpolate2d(20, bins, values), 100);
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}
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TEST_F(TestTable2dSmall, EdgeRight)
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{
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EXPECT_FLOAT_EQ(interpolate2d(30, bins, values), 200);
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}
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TEST_F(TestTable2dSmall, Middle)
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{
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EXPECT_FLOAT_EQ(interpolate2d(25, bins, values), 150);
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}
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TEST_F(TestTable2dSmall, NanInput)
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{
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EXPECT_FLOAT_EQ(interpolate2d(NAN, bins, values), 100);
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}
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class Test2dTableMassive : public ::testing::Test
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{
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static constexpr int Count = 2500;
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protected:
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float bins[Count];
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float values[Count];
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void SetUp() override
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{
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float x = 0;
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for (size_t i = 0; i < std::size(bins); i++)
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{
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x += 0.1f;
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bins[i] = x;
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values[i] = x * x;
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}
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}
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};
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TEST_F(Test2dTableMassive, t)
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{
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float x = 0;
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float maxErr = -1;
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for (size_t i = 0; i < 25000; i++)
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{
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x += 0.01f;
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float actual = x * x;
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float lookup = interpolate2d(x, bins, values);
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float err = std::abs(actual - lookup);
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if (err > maxErr)
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{
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maxErr = err;
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}
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}
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EXPECT_LT(maxErr, 0.01);
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}
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// Helper for BinResult type
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#define EXPECT_BINRESULT(actual, expectedIdx, expectedFrac) \
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{ \
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auto ___temp___ = actual; \
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EXPECT_EQ(___temp___.Idx, expectedIdx); \
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EXPECT_NEAR(___temp___.Frac, expectedFrac, expectedFrac / 1e4); \
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}
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// Test with small bins: only two values
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static const float smallBins[] = { 10, 20 };
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TEST(TableBinsSmall, OffScaleLeft)
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{
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EXPECT_BINRESULT(priv::getBin(5, smallBins), 0, 0);
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}
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TEST(TableBinsSmall, OffScaleRight)
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{
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EXPECT_BINRESULT(priv::getBin(25, smallBins), 0, 1);
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}
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TEST(TableBinsSmall, EdgeLeft)
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{
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EXPECT_BINRESULT(priv::getBin(10, smallBins), 0, 0);
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}
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TEST(TableBinsSmall, EdgeRight)
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{
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EXPECT_BINRESULT(priv::getBin(10, smallBins), 0, 0);
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}
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TEST(TableBinsSmall, Middle)
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{
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EXPECT_BINRESULT(priv::getBin(15, smallBins), 0, 0.5f);
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}
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TEST(TableBinsSmall, NanInput)
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{
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EXPECT_BINRESULT(priv::getBin(NAN, smallBins), 0, 0);
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}
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// Test with medium bins, 3 items
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static const float bigBins[] = { 10, 20, 30 };
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TEST(TableBinsBig, OffScaleLow)
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{
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EXPECT_BINRESULT(priv::getBin(5, bigBins), 0, 0);
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}
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TEST(TableBinsBig, OffScaleHigh)
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{
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EXPECT_BINRESULT(priv::getBin(35, bigBins), 1, 1.0f);
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}
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TEST(TableBinsBig, NearMiddleLow)
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{
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EXPECT_BINRESULT(priv::getBin(19.99f, bigBins), 0, 0.999f);
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}
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TEST(TableBinsBig, NearMiddleExact)
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{
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EXPECT_BINRESULT(priv::getBin(20.0f, bigBins), 1, 0);
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}
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TEST(TableBinsBig, NearMiddleHigh)
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{
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EXPECT_BINRESULT(priv::getBin(20.01f, bigBins), 1, 0.001f);
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}
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TEST(TableBinsBig, LeftMiddle)
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{
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EXPECT_BINRESULT(priv::getBin(15.0f, bigBins), 0, 0.5f);
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}
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TEST(TableBinsBig, RightMiddle)
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{
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EXPECT_BINRESULT(priv::getBin(25.0f, bigBins), 1, 0.5f);
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}
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