implicit none
real,parameter :: values(*) = [0.0, 0.5, 1.0, 0.9, 1.8,2.0,3.0,4.0,4.25,8.0,34.53, 475.78]
real,parameter :: myeps(size(values)) = epsilon(0.0) &
- * [2, 2, 2, 5, 5, 2, 12, 2, 4, 3, 30, 130 ]
+ * [2, 3, 3, 5, 7, 2, 12, 4, 7, 3, 30, 168 ]
! The following is sufficient for me - the values above are a bit
! more tolerant
! * [0, 0, 0, 3, 3, 0, 9, 0, 2, 1, 22, 130 ]
integer,parameter :: nit(size(values)) = &
- [100, 100, 100, 100, 100, 100, 10, 100, 100, 100, 10, 25 ]
+ [100, 100, 100, 25, 15, 100, 10, 31, 7, 100, 7, 25 ]
integer, parameter :: Nmax = 100
real :: rec(0:Nmax), lib(0:Nmax)
integer :: i
rec = BESSEL_YN(0, Nmax, X)
lib = [ (BESSEL_YN(i, X), i=0,Nmax) ]
-!print *, 'YN for X = ', X, ' -- Epsilon = ',epsilon(x)
+print *, 'YN for X = ', X, ' -- Epsilon = ',epsilon(x)
do i = 0, Nmax
-! print '(i2,2e17.9,e12.2,f14.10,2l3)', i, rec(i), lib(i), &
-! rec(i)-lib(i), ((rec(i)-lib(i))/rec(i))/epsilon(x), &
-! i > nit .or. rec(i) == lib(i) &
-! .or. abs((rec(i)-lib(i))/rec(i)) < myeps2, &
-! rec(i) == lib(i) .or. abs((rec(i)-lib(i))/rec(i)) < myeps
+ print '(i2,2e17.9,e12.2,f14.10,2l3)', i, rec(i), lib(i), &
+ rec(i)-lib(i), ((rec(i)-lib(i))/rec(i))/epsilon(x), &
+ i > nit .or. rec(i) == lib(i) &
+ .or. abs((rec(i)-lib(i))/rec(i)) < myeps2, &
+ rec(i) == lib(i) .or. abs((rec(i)-lib(i))/rec(i)) < myeps
if (.not. (i > nit .or. rec(i) == lib(i) &
.or. abs((rec(i)-lib(i))/rec(i)) < myeps2)) &
call abort ()