+++ /dev/null
-c intrinsic-unix-erf.f
-c
-c Test Bessel function intrinsics.
-c These functions are only available if provided by system
-c
-c David Billinghurst <David.Billinghurst@riotinto.com>
-c
- real x, a
- double precision dx, da
- logical fail
- common /flags/ fail
- fail = .false.
-
- x = 0.6
- dx = x
-c ERF - error function
- a = 0.6038561
- da = a
- call c_r(ERF(x),a,'ERF(real)')
- call c_d(ERF(dx),da,'ERF(double)')
- call c_d(DERF(dx),da,'DERF(double)')
-
-c ERFC - complementary error function
- a = 1.0 - a
- da = a
- call c_r(ERFC(x),a,'ERFC(real)')
- call c_d(ERFC(dx),da,'ERFC(double)')
- call c_d(DERFC(dx),da,'DERFC(double)')
-
- if ( fail ) call abort()
- end
-
- subroutine failure(label)
-c Report failure and set flag
- character*(*) label
- logical fail
- common /flags/ fail
- write(6,'(a,a,a)') 'Test ',label,' FAILED'
- fail = .true.
- end
-
- subroutine c_r(a,b,label)
-c Check if REAL a equals b, and fail otherwise
- real a, b
- character*(*) label
- if ( abs(a-b) .gt. 1.0e-5 ) then
- call failure(label)
- write(6,*) 'Got ',a,' expected ', b
- end if
- end
-
- subroutine c_d(a,b,label)
-c Check if DOUBLE PRECISION a equals b, and fail otherwise
- double precision a, b
- character*(*) label
- if ( abs(a-b) .gt. 1.0d-5 ) then
- call failure(label)
- write(6,*) 'Got ',a,' expected ', b
- end if
- end