//[TestCase(100.0, 0.006367)] Needs direct approximation public void BesselI0MStruveL0Exact(double x, double expected) { // Abramowitz/Stegun Table 12.1, 12.2 AssertHelpers.AlmostEqualRelative(expected, SpecialFunctions.BesselI0MStruveL0(x), 4); }