declare_test(approximations FILES
        Gaussian_test.cpp
        ScaleFunction_test.cpp
        Monomials_test.cpp
        RBFBasis_test.cpp
        WeightFunction_test.cpp
        WLS_test.cpp
        WLSApproximant_test.cpp
        RBFFD_test.cpp
        Multiquadric_test.cpp
        InverseMultiquadric_test.cpp
        Polyharmonic_test.cpp
        RBFBasis_test.cpp
        RBFInterpolant_test.cpp
        operators_test.cpp
        JacobiSVDWrapper_test.cpp)