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Add basic unit tests for TMath::Sqrt and TMath::Log in MathCore #20701

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Add basic unit tests for TMath::Sqrt and TMath::Log in MathCore #20701

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af966d3
Add basic unit tests for TMath::Sqrt and TMath::Log in MathCore
Dec 11, 2025
a3a2038
Fix missing newline at end of file
Dec 14, 2025
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2 changes: 2 additions & 0 deletions math/mathcore/test/CMakeLists.txt
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Expand Up @@ -96,6 +96,8 @@ ROOT_ADD_GTEST(testRootFinder testRootFinder.cxx LIBRARIES ${Libraries})
ROOT_ADD_GTEST(testKahan testKahan.cxx LIBRARIES Core MathCore)
ROOT_ADD_GTEST(testDelaunay2D testDelaunay2D.cxx LIBRARIES Core MathCore)
ROOT_ADD_GTEST(testKNNDensity testKNNDensity.cxx LIBRARIES Core MathCore Hist)
ROOT_ADD_GTEST(test_basic_math test_basic_math.cxx LIBRARIES MathCore)


if(clad)
ROOT_ADD_GTEST(CladDerivatorTests CladDerivatorTests.cxx LIBRARIES Core MathCore)
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15 changes: 15 additions & 0 deletions math/mathcore/test/test_basic_math.cxx
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@@ -0,0 +1,15 @@
#include "gtest/gtest.h"
#include "TMath.h" // ROOT math utilities

// Basic tests for a couple of TMath functions
TEST(MathCoreTest, SqrtFunction) {
double val = 9.0;
double out = TMath::Sqrt(val);
EXPECT_NEAR(out, 3.0, 1e-12);
}

TEST(MathCoreTest, LogFunction) {
double val = 2.71828182845904523536; // approx e
double out = TMath::Log(val);
EXPECT_NEAR(out, 1.0, 1e-12);
}