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! REPEAT intrinsic -- various checks should be enforced
!
! { dg-do compile }
program test
use iso_c_binding, only: k => c_size_t
implicit none
character(len=0), parameter :: s0 = ""
character(len=1), parameter :: s1 = "a"
character(len=2), parameter :: s2 = "ab"
character(len=0) :: t0
character(len=1) :: t1
character(len=2) :: t2
t0 = "" ; t1 = "a" ; t2 = "ab"
! Check for negative NCOPIES argument
print *, repeat(s0, -1) ! { dg-error "Argument NCOPIES of REPEAT intrinsic is negative" }
print *, repeat(s1, -1) ! { dg-error "Argument NCOPIES of REPEAT intrinsic is negative" }
print *, repeat(s2, -1) ! { dg-error "Argument NCOPIES of REPEAT intrinsic is negative" }
print *, repeat(t0, -1) ! { dg-error "Argument NCOPIES of REPEAT intrinsic is negative" }
print *, repeat(t1, -1) ! { dg-error "Argument NCOPIES of REPEAT intrinsic is negative" }
print *, repeat(t2, -1) ! { dg-error "Argument NCOPIES of REPEAT intrinsic is negative" }
! Check for too large NCOPIES argument and limit cases
print *, repeat(t0, huge(0_k))
print *, repeat(t1, huge(0_k))
print *, repeat(t2, huge(0_k)) ! { dg-error "Argument NCOPIES of REPEAT intrinsic is too large " }
print *, repeat(s2, huge(0_k)) ! { dg-error "Argument NCOPIES of REPEAT intrinsic is too large " }
print *, repeat(t0, huge(0_k)/2)
print *, repeat(t1, huge(0_k)/2)
print *, repeat(t2, huge(0_k)/2)
print *, repeat(t0, huge(0_k)/2+1)
print *, repeat(t1, huge(0_k)/2+1)
print *, repeat(t2, huge(0_k)/2+1) ! { dg-error "Argument NCOPIES of REPEAT intrinsic is too large " }
print *, repeat(s2, huge(0_k)/2+1) ! { dg-error "Argument NCOPIES of REPEAT intrinsic is too large " }
end program test
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