ru_tend_output.bin
        # of equal values: 3471453, # of non-equal values: 991047
        max relative error: 3.297250e+02	 max absolute error: 3.297250e+02
        max ulp = 1134877900
        rmse = 3.848696e+00

        rv_tend_output.bin
        # of equal values: 3376911, # of non-equal values: 1085589
        max relative error: 2.009422e+05	 max absolute error: 7.344735e+02
        max ulp = 2147454899
        rmse = 1.208168e+01

        rw_tend_output.bin
        # of equal values: 4310866, # of non-equal values: 151634
        max relative error: 5.793298e+02	 max absolute error: 5.793298e+02
        max ulp = 1141953819
        rmse = 8.106906e+00