! { dg-do compile } ! { dg-options "-fcoarray=single -fmax-errors=80" } ! ! ! CO_REDUCE (plus CO_MIN/MAX/SUM/BROADCAST) ! program test implicit none (external, type) intrinsic co_reduce intrinsic co_broadcast intrinsic co_min intrinsic co_max intrinsic co_sum intrinsic dprod external ext type t procedure(), pointer, nopass :: ext procedure(valid), pointer, nopass :: valid procedure(sub), pointer, nopass :: sub procedure(nonpure), pointer, nopass :: nonpure procedure(arg1), pointer, nopass :: arg1 procedure(arg3), pointer, nopass :: arg3 procedure(elem), pointer, nopass :: elem procedure(realo), pointer, nopass :: realo procedure(int8), pointer, nopass :: int8 procedure(arr), pointer, nopass :: arr procedure(ptr), pointer, nopass :: ptr procedure(alloc), pointer, nopass :: alloc procedure(opt), pointer, nopass :: opt procedure(val), pointer, nopass :: val procedure(async), pointer, nopass :: async procedure(tgt), pointer, nopass :: tgt procedure(char44), pointer, nopass :: char44 procedure(char34), pointer, nopass :: char34 end type t type(t) :: dt integer :: caf[*] character(len=3) :: c3 character(len=4) :: c4 call co_min(caf[1]) ! { dg-error "shall not be coindexed" } call co_max(caf[1]) ! { dg-error "shall not be coindexed" } call co_sum(caf[1]) ! { dg-error "shall not be coindexed" } call co_broadcast(caf[1], source_image=1) ! { dg-error "shall not be coindexed" } call co_reduce(caf[1], valid) ! { dg-error "shall not be coindexed" } call co_reduce(caf, valid) ! OK call co_reduce(caf, dt%valid) ! OK call co_reduce(caf, dprod) ! { dg-error "is not permitted for CO_REDUCE" } call co_reduce(caf, ext) ! { dg-error "must be a PURE function" } call co_reduce(caf, dt%ext) ! { dg-error "must be a PURE function" } call co_reduce(caf, sub) ! { dg-error "must be a PURE function" } call co_reduce(caf, dt%sub) ! { dg-error "must be a PURE function" } call co_reduce(caf, nonpure) ! { dg-error "must be a PURE function" } call co_reduce(caf, dt%nonpure) ! { dg-error "must be a PURE function" } call co_reduce(caf, arg1) ! { dg-error "shall have two arguments" } call co_reduce(caf, dt%arg1) ! { dg-error "shall have two arguments" } call co_reduce(caf, arg3) ! { dg-error "shall have two arguments" } call co_reduce(caf, dt%arg3) ! { dg-error "shall have two arguments" } call co_reduce(caf, elem) ! { dg-error "ELEMENTAL non-INTRINSIC procedure 'elem' is not allowed as an actual argument" } call co_reduce(caf, dt%elem) ! { dg-error "ELEMENTAL procedure pointer component 'elem' is not allowed as an actual argument" } call co_reduce(caf, realo) ! { dg-error "A argument at .1. has type INTEGER.4. but the function passed as OPERATOR at .2. returns REAL.4." } call co_reduce(caf, dt%realo) ! { dg-error "A argument at .1. has type INTEGER.4. but the function passed as OPERATOR at .2. returns REAL.4." } call co_reduce(caf, int8) ! { dg-error "A argument at .1. has type INTEGER.4. but the function passed as OPERATOR at .2. returns INTEGER.8." } call co_reduce(caf, dt%int8) ! { dg-error "A argument at .1. has type INTEGER.4. but the function passed as OPERATOR at .2. returns INTEGER.8." } call co_reduce(caf, arr) ! { dg-error "scalar nonallocatable nonpointer arguments and return a nonallocatable nonpointer scalar" } call co_reduce(caf, dt%arr) ! { dg-error "scalar nonallocatable nonpointer arguments and return a nonallocatable nonpointer scalar" } call co_reduce(caf, ptr) ! { dg-error "scalar nonallocatable nonpointer arguments and return a nonallocatable nonpointer scalar" } call co_reduce(caf, dt%ptr) ! { dg-error "scalar nonallocatable nonpointer arguments and return a nonallocatable nonpointer scalar" } call co_reduce(caf, alloc) ! { dg-error "scalar nonallocatable nonpointer arguments and return a nonallocatable nonpointer scalar" } call co_reduce(caf, dt%alloc) ! { dg-error "scalar nonallocatable nonpointer arguments and return a nonallocatable nonpointer scalar" } call co_reduce(caf, opt) ! { dg-error "shall not have the OPTIONAL attribute for either of the arguments" } call co_reduce(caf, dt%opt) ! { dg-error "shall not have the OPTIONAL attribute for either of the arguments" } call co_reduce(caf, val) ! { dg-error "shall have the VALUE attribute either for none or both arguments" } call co_reduce(caf, dt%val) ! { dg-error "shall have the VALUE attribute either for none or both arguments" } call co_reduce(caf, async) ! { dg-error "shall have the ASYNCHRONOUS attribute either for none or both arguments" } call co_reduce(caf, dt%async) ! { dg-error "shall have the ASYNCHRONOUS attribute either for none or both arguments" } call co_reduce(caf, tgt) ! { dg-error "shall have the TARGET attribute either for none or both arguments" } call co_reduce(caf, dt%tgt) ! { dg-error "shall have the TARGET attribute either for none or both arguments" } call co_reduce(c4, char44) ! OK call co_reduce(c4, dt%char44) ! OK call co_reduce(c3, char34) ! { dg-error "character length of the A argument at .1. and of the arguments of the OPERATOR at .2. shall be the same" } call co_reduce(c3, dt%char34) ! { dg-error "character length of the A argument at .1. and of the arguments of the OPERATOR at .2. shall be the same" } call co_reduce(c4, char34) ! { dg-error "The character length of the A argument at .1. and of the function result of the OPERATOR at .2. shall be the same" } call co_reduce(c4, dt%char34) ! { dg-error "The character length of the A argument at .1. and of the function result of the OPERATOR at .2. shall be the same" } contains pure integer function valid(x,y) integer, value :: x, y end function valid impure integer function nonpure(x,y) integer, value :: x, y end function nonpure pure subroutine sub() end subroutine sub pure integer function arg3(x, y, z) integer, value :: x, y, z end function arg3 pure integer function arg1(x) integer, value :: x end function arg1 pure elemental integer function elem(x,y) integer, value :: x, y end function elem pure real function realo(x,y) integer, value :: x, y end function realo pure integer(8) function int8(x,y) integer, value :: x, y end function int8 pure integer function arr(x,y) integer, intent(in) :: x(:), y end function arr pure integer function ptr(x,y) integer, intent(in), pointer :: x, y end function ptr pure integer function alloc(x,y) integer, intent(in), allocatable :: x, y end function alloc pure integer function opt(x,y) integer, intent(in) :: x, y optional :: x, y end function opt pure integer function val(x,y) integer, value :: x integer, intent(in) :: y end function val pure integer function tgt(x,y) integer, intent(in) :: x, y target :: x end function tgt pure integer function async(x,y) integer, intent(in) :: x, y asynchronous :: y end function async pure character(4) function char44(x,y) character(len=4), value :: x, y end function char44 pure character(3) function char34(x,y) character(len=4), value :: x, y end function char34 end program test