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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [testsuite/] [gfortran.dg/] [do_3.F90] - Blame information for rev 378

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Line No. Rev Author Line
1 302 jeremybenn 
! { dg-do run }
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! { dg-options "-std=legacy -ffree-line-length-none -fno-range-check -fwrapv" }
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program test
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  integer :: count
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  integer :: i
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  integer(kind=1) :: i1
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  real :: r
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#define TEST_LOOP(var,from,to,step,total,test,final) \
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  count = 0 ; do var = from, to, step ; count = count + 1 ; end do ; \
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  if (count /= total) call abort ; \
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  if (test (from, to, step, final) /= total) call abort
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  ! Integer loops
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  TEST_LOOP(i, 0, 0, 1, 1, test_i, 1)
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  TEST_LOOP(i, 0, 0, 2, 1, test_i, 2)
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  TEST_LOOP(i, 0, 0, -1, 1, test_i, -1)
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  TEST_LOOP(i, 0, 0, -2, 1, test_i, -2)
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  TEST_LOOP(i, 0, 1, 1, 2, test_i, 2)
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  TEST_LOOP(i, 0, 1, 2, 1, test_i, 2)
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  TEST_LOOP(i, 0, 1, 3, 1, test_i, 3)
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  TEST_LOOP(i, 0, 1, huge(0), 1, test_i, huge(0))
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  TEST_LOOP(i, 0, 1, -1, 0, test_i, 0) ! { dg-warning "executed zero times" }
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  TEST_LOOP(i, 0, 1, -2, 0, test_i, 0) ! { dg-warning "executed zero times" }
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  TEST_LOOP(i, 0, 1, -3, 0, test_i, 0) ! { dg-warning "executed zero times" }
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  TEST_LOOP(i, 0, 1, -huge(0), 0, test_i, 0) ! { dg-warning "executed zero times" }
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  TEST_LOOP(i, 0, 1, -huge(0)-1, 0, test_i, 0) ! { dg-warning "executed zero times" }
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  TEST_LOOP(i, 1, 0, 1, 0, test_i, 1) ! { dg-warning "executed zero times" }
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  TEST_LOOP(i, 1, 0, 2, 0, test_i, 1) ! { dg-warning "executed zero times" }
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  TEST_LOOP(i, 1, 0, 3, 0, test_i, 1) ! { dg-warning "executed zero times" }
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  TEST_LOOP(i, 1, 0, huge(0), 0, test_i, 1) ! { dg-warning "executed zero times" }
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  TEST_LOOP(i, 1, 0, -1, 2, test_i, -1)
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  TEST_LOOP(i, 1, 0, -2, 1, test_i, -1)
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  TEST_LOOP(i, 1, 0, -3, 1, test_i, -2)
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  TEST_LOOP(i, 1, 0, -huge(0), 1, test_i, 1-huge(0))
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  TEST_LOOP(i, 1, 0, -huge(0)-1, 1, test_i, -huge(0))
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  TEST_LOOP(i, 0, 17, 1, 18, test_i, 18)
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  TEST_LOOP(i, 0, 17, 2, 9, test_i, 18)
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  TEST_LOOP(i, 0, 17, 3, 6, test_i, 18)
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  TEST_LOOP(i, 0, 17, 4, 5, test_i, 20)
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  TEST_LOOP(i, 0, 17, 5, 4, test_i, 20)
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  TEST_LOOP(i, 17, 0, -1, 18, test_i, -1)
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  TEST_LOOP(i, 17, 0, -2, 9, test_i, -1)
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  TEST_LOOP(i, 17, 0, -3, 6, test_i, -1)
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  TEST_LOOP(i, 17, 0, -4, 5, test_i, -3)
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  TEST_LOOP(i, 17, 0, -5, 4, test_i, -3)
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  TEST_LOOP(i1, -huge(i1)-1_1, huge(i1), 1_1, int(huge(i1))*2+2, test_i1, huge(i1)+1_1)
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  TEST_LOOP(i1, -huge(i1)-1_1, huge(i1), 2_1, int(huge(i1))+1, test_i1, huge(i1)+1_1)
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  TEST_LOOP(i1, -huge(i1)-1_1, huge(i1), huge(i1), 3, test_i1, 2_1*huge(i1)-1_1)
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  TEST_LOOP(i1, huge(i1), -huge(i1)-1_1, -1_1, int(huge(i1))*2+2, test_i1, -huge(i1)-2_1)
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  TEST_LOOP(i1, huge(i1), -huge(i1)-1_1, -2_1, int(huge(i1))+1, test_i1, -huge(i1)-2_1)
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  TEST_LOOP(i1, huge(i1), -huge(i1)-1_1, -huge(i1), 3, test_i1, -2_1*huge(i1))
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  TEST_LOOP(i1, huge(i1), -huge(i1)-1_1, -huge(i1)-1_1, 2, test_i1, -huge(i1)-2_1)
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  TEST_LOOP(i1, -2_1, 3_1, huge(i1), 1, test_i1, huge(i1)-2_1)
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  TEST_LOOP(i1, -2_1, 3_1, -huge(i1), 0, test_i1, -2_1) ! { dg-warning "executed zero times" }
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  TEST_LOOP(i1, 2_1, -3_1, -huge(i1), 1, test_i1, 2_1-huge(i1))
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  TEST_LOOP(i1, 2_1, -3_1, huge(i1), 0, test_i1, 2_1) ! { dg-warning "executed zero times" }
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  ! Real loops
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  TEST_LOOP(r, 0.0, 1.0, 0.11, 1 + int(1.0/0.11), test_r, 0.0)
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  TEST_LOOP(r, 0.0, 1.0, -0.11, 0, test_r, 0.0) ! { dg-warning "executed zero times" }
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  TEST_LOOP(r, 0.0, -1.0, 0.11, 0, test_r, 0.0) ! { dg-warning "executed zero times" }
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  TEST_LOOP(r, 0.0, -1.0, -0.11, 1 + int(1.0/0.11), test_r, 0.0)
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  TEST_LOOP(r, 0.0, 0.0, 0.11, 1, test_r, 0.0)
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  TEST_LOOP(r, 0.0, 0.0, -0.11, 1, test_r, 0.0)
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#undef TEST_LOOP
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contains
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  function test_i1 (from, to, step, final) result(res)
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    integer(kind=1), intent(in) :: from, to, step, final
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    integer(kind=1) :: i
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    integer :: res
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    res = 0
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    do i = from, to, step
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      res = res + 1
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    end do
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    if (i /= final) call abort
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  end function test_i1
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  function test_i (from, to, step, final) result(res)
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    integer, intent(in) :: from, to, step, final
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    integer :: i
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    integer :: res
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    res = 0
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    do i = from, to, step
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      res = res + 1
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    end do
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    if (i /= final) call abort
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  end function test_i
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  function test_r (from, to, step, final) result(res)
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    real, intent(in) :: from, to, step, final
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    real :: i
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    integer :: res
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    res = 0
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    do i = from, to, step
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      res = res + 1
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    end do
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    ! final is ignored
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  end function test_r
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end program test

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