hi all.
CMakeFiles/itkCommonTests.dir/itkDiffusionTensor3DTest.o: In function `itkDiffusionTensor3DTest(int, char**)':
itkDiffusionTensor3DTest.cxx:(.text+0x205a): undefined reference to `itk::NumericTraits<itk::DiffusionTensor3D<int> >::Zero'
itkDiffusionTensor3DTest.cxx:(.text+0x2068): undefined reference to `itk::NumericTraits<itk::DiffusionTensor3D<int> >::Zero'
itkDiffusionTensor3DTest.cxx:(.text+0x2076): undefined reference to `itk::NumericTraits<itk::DiffusionTensor3D<int> >::Zero'
itkDiffusionTensor3DTest.cxx:(.text+0x2084): undefined reference to `itk::NumericTraits<itk::DiffusionTensor3D<int> >::One'
itkDiffusionTensor3DTest.cxx:(.text+0x2092): undefined reference to `itk::NumericTraits<itk::DiffusionTensor3D<int> >::One'
itkDiffusionTensor3DTest.cxx:(.text+0x20a0): undefined reference to `itk::NumericTraits<itk::DiffusionTensor3D<int> >::One'
collect2: ld はステータス 1 で終了しました
make[2]: *** [bin/itkCommonTests] エラー 1
make[1]: *** [Testing/Code/Common/CMakeFiles/itkCommonTests.dir/all] エラー 2
make: *** [all] エラー 2
help me.