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! { dg-do run }
! { dg-options "-O2" }
! { dg-add-options ieee }
! Tests the fix for the meta-bug PR31237 (TRANSFER intrinsic)
! Exercises gfc_simplify_transfer a random walk through types and shapes
! and compares its results with the middle-end version that operates on
! variables.
!
implicit none
call integer4_to_real4
call real4_to_integer8
call integer4_to_integer8
call logical4_to_real8
call real8_to_integer4
call integer8_to_real4
call integer8_to_complex4
call character16_to_complex8
call character16_to_real8
call real8_to_character2
call dt_to_integer1
call character16_to_dt
contains
subroutine integer4_to_real4
integer(4), parameter :: i1 = 11111_4
integer(4) :: i2 = i1
real(4), parameter :: r1 = transfer (i1, 1.0_4)
real(4) :: r2
r2 = transfer (i2, r2);
if (r1 .ne. r2) call abort ()
end subroutine integer4_to_real4
subroutine real4_to_integer8
real(4), parameter :: r1(2) = (/3.14159_4, 0.0_4/)
real(4) :: r2(2) = r1
integer(8), parameter :: i1 = transfer (r1, 1_8)
integer(8) :: i2
i2 = transfer (r2, 1_8);
if (i1 .ne. i2) call abort ()
end subroutine real4_to_integer8
subroutine integer4_to_integer8
integer(4), parameter :: i1(2) = (/11111_4, 22222_4/)
integer(4) :: i2(2) = i1
integer(8), parameter :: i3 = transfer (i1, 1_8)
integer(8) :: i4
i4 = transfer (i2, 1_8);
if (i3 .ne. i4) call abort ()
end subroutine integer4_to_integer8
subroutine logical4_to_real8
logical(4), parameter :: l1(2) = (/.false., .true./)
logical(4) :: l2(2) = l1
real(8), parameter :: r1 = transfer (l1, 1_8)
real(8) :: r2
r2 = transfer (l2, 1_8);
if (r1 .ne. r2) call abort ()
end subroutine logical4_to_real8
subroutine real8_to_integer4
real(8), parameter :: r1 = 3.14159_8
real(8) :: r2 = r1
integer(4), parameter :: i1(2) = transfer (r1, 1_4, 2)
integer(4) :: i2(2)
i2 = transfer (r2, i2, 2);
if (any (i1 .ne. i2)) call abort ()
end subroutine real8_to_integer4
subroutine integer8_to_real4
integer :: k
integer(8), parameter :: i1(2) = transfer ((/asin (1.0_8), log (1.0_8)/), 0_8)
integer(8) :: i2(2) = i1
real(4), parameter :: r1(4) = transfer (i1, (/(1.0_4,k=1,4)/))
real(4) :: r2(4)
r2 = transfer (i2, r2);
if (any (r1 .ne. r2)) call abort ()
end subroutine integer8_to_real4
subroutine integer8_to_complex4
integer :: k
integer(8), parameter :: i1(2) = transfer ((/asin (1.0_8), log (1.0_8)/), 0_8)
integer(8) :: i2(2) = i1
complex(4), parameter :: z1(2) = transfer (i1, (/((1.0_4,2.0_4),k=1,2)/))
complex(4) :: z2(2)
z2 = transfer (i2, z2);
if (any (z1 .ne. z2)) call abort ()
end subroutine integer8_to_complex4
subroutine character16_to_complex8
character(16), parameter :: c1(2) = (/"abcdefghijklmnop","qrstuvwxyz123456"/)
character(16) :: c2(2) = c1
complex(8), parameter :: z1(2) = transfer (c1, (1.0_8,1.0_8), 2)
complex(8) :: z2(2)
z2 = transfer (c2, z2, 2);
if (any (z1 .ne. z2)) call abort ()
end subroutine character16_to_complex8
subroutine character16_to_real8
character(16), parameter :: c1 = "abcdefghijklmnop"
character(16) :: c2 = c1
real(8), parameter :: r1(2) = transfer (c1, 1.0_8, 2)
real(8) :: r2(2)
r2 = transfer (c2, r2, 2);
if (any (r1 .ne. r2)) call abort ()
end subroutine character16_to_real8
subroutine real8_to_character2
real(8), parameter :: r1 = 3.14159_8
real(8) :: r2 = r1
character(2), parameter :: c1(4) = transfer (r1, "ab", 4)
character(2) :: c2(4)
c2 = transfer (r2, "ab", 4);
if (any (c1 .ne. c2)) call abort ()
end subroutine real8_to_character2
subroutine dt_to_integer1
integer, parameter :: i1(4) = (/1_4,2_4,3_4,4_4/)
real, parameter :: r1(4) = (/1.0_4,2.0_4,3.0_4,4.0_4/)
type :: mytype
integer(4) :: i(4)
real(4) :: x(4)
end type mytype
type (mytype), parameter :: dt1 = mytype (i1, r1)
type (mytype) :: dt2 = dt1
integer(1), parameter :: i2(32) = transfer (dt1, 1_1, 32)
integer(1) :: i3(32)
i3 = transfer (dt2, 1_1, 32);
if (any (i2 .ne. i3)) call abort ()
end subroutine dt_to_integer1
subroutine character16_to_dt
character(16), parameter :: c1 = "abcdefghijklmnop"
character(16) :: c2 = c1
type :: mytype
real(4) :: x(2)
end type mytype
type (mytype), parameter :: dt1(2) = transfer (c1, mytype ((/1.0,2.0,3.0,4.0/)), 2)
type (mytype) :: dt2(2)
dt2 = transfer (c2, dt2);
if (any (dt1(1)%x .ne. dt2(1)%x)) call abort ()
if (any (dt1(2)%x .ne. dt2(2)%x)) call abort ()
end subroutine character16_to_dt
end
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