1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
|
! { dg-do run { xfail spu-*-* } }
! { dg-options "-fno-range-check -ffree-line-length-none -O0" }
! { dg-add-options ieee }
!
! XFAILed for SPU targets because our library implementation of
! the double-precision erf/erfc functions is not accurate enough.
!
! Check that simplification functions and runtime library agree on ERF,
! ERFC and ERFC_SCALED.
program test
implicit none
interface check
procedure check_r4
procedure check_r8
end interface check
real(kind=4) :: x4
real(kind=8) :: x8
#define CHECK(a) \
x8 = a ; x4 = a ; \
call check(erf(real(a,kind=8)), erf(x8)) ; \
call check(erf(real(a,kind=4)), erf(x4)) ; \
call check(erfc(real(a,kind=8)), erfc(x8)) ; \
call check(erfc(real(a,kind=4)), erfc(x4)) ; \
call check(erfc_scaled(real(a,kind=8)), erfc_scaled(x8)) ; \
call check(erfc_scaled(real(a,kind=4)), erfc_scaled(x4)) ;
CHECK(0.0)
CHECK(0.9)
CHECK(1.9)
CHECK(19.)
CHECK(190.)
CHECK(-0.0)
CHECK(-0.9)
CHECK(-1.9)
CHECK(-19.)
CHECK(-190.)
contains
subroutine check_r4 (a, b)
real(kind=4), intent(in) :: a, b
if (abs(a - b) > 10 * spacing(a)) call abort
end subroutine
subroutine check_r8 (a, b)
real(kind=8), intent(in) :: a, b
if (abs(a - b) > 10 * spacing(a)) call abort
end subroutine
end program test
|
