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! { dg-do compile }

! { dg-options "-std=f2008" }

!

! PR fortran/36158 - Transformational BESSEL_JN/YN

! PR fortran/33197 - F2008 math functions

!

implicit none

! OK, elemental function:

 print *, bessel_yn(1, [1.0, 2.0])

 print *, bessel_yn([1, 2], 2.0)

! Wrong, transformational function:

! Does not pass check.c -- thus regarded as wrong generic function

! and thus rejected with a slightly misleading error message

 print *, bessel_yn(1, 2, [2.0, 3.0]) ! { dg-error "Too many arguments" }

! Wrong in F2008: Negative argument, ok as GNU extension

 print *, bessel_yn(-1, 3.0) ! { dg-error "Extension: Negative argument N " }

! Wrong in F2008: Negative argument -- and no need for a GNU extension

! Does not pass check.c -- thus regarded as wrong generic function

! and thus rejected with a slightly misleading error message

 print *, bessel_yn(-1, 2, 3.0) ! { dg-error "Too many arguments" }

end