case nlat = 6 and mtrunc = 5 error = 2.384186E-07 tusl = 8.100003E-05 toe = 3.400003E-05 case nlat = 6 and mtrunc = 4 error = 1.192093E-07 tusl = 4.399999E-05 toe = 2.799998E-05 case nlat = 7 and mtrunc = 6 error = 2.458692E-07 tusl = 7.900002E-05 toe = 3.700005E-05 case nlat = 7 and mtrunc = 5 error = 2.384186E-07 tusl = 5.999999E-05 toe = 3.700005E-05 case nlat = 8 and mtrunc = 7 error = 2.384186E-07 tusl = 1.019998E-04 toe = 6.100000E-05 case nlat = 8 and mtrunc = 6 error = 1.788139E-07 tusl = 8.899998E-05 toe = 6.100000E-05