! { dg-do run }
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! { dg-do run }
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! { dg-options "-frecord-marker=4" }
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! { dg-options "-frecord-marker=4" }
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! This file is all about BACKSPACE
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! This file is all about BACKSPACE
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! Adapted from gfortran.dg/backspace.f
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! Adapted from gfortran.dg/backspace.f
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integer i, n, nr
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integer i, n, nr
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real x(10), y(10)
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real x(10), y(10)
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! PR libfortran/20068
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! PR libfortran/20068
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open (20, status='scratch')
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open (20, status='scratch')
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write (20,*) 1
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write (20,*) 1
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write (20,*) 2
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write (20,*) 2
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write (20,*) 3
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write (20,*) 3
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rewind (20)
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rewind (20)
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read (20,*) i
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read (20,*) i
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if (i .ne. 1) call abort
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if (i .ne. 1) call abort
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backspace (20)
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backspace (20)
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read (20,*) i
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read (20,*) i
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if (i .ne. 1) call abort
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if (i .ne. 1) call abort
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close (20)
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close (20)
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! PR libfortran/20125
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! PR libfortran/20125
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open (20, status='scratch')
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open (20, status='scratch')
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write (20,*) 7
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write (20,*) 7
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backspace (20)
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backspace (20)
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read (20,*) i
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read (20,*) i
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if (i .ne. 7) call abort
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if (i .ne. 7) call abort
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close (20)
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close (20)
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open (20, status='scratch', form='unformatted')
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open (20, status='scratch', form='unformatted')
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write (20) 8
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write (20) 8
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backspace (20)
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backspace (20)
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read (20) i
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read (20) i
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if (i .ne. 8) call abort
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if (i .ne. 8) call abort
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close (20)
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close (20)
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! PR libfortran/20471
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! PR libfortran/20471
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do n = 1, 10
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do n = 1, 10
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x(n) = sqrt(real(n))
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x(n) = sqrt(real(n))
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end do
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end do
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open (3, form='unformatted', status='scratch')
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open (3, form='unformatted', status='scratch')
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write (3) (x(n),n=1,10)
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write (3) (x(n),n=1,10)
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backspace (3)
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backspace (3)
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rewind (3)
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rewind (3)
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read (3) (y(n),n=1,10)
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read (3) (y(n),n=1,10)
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do n = 1, 10
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do n = 1, 10
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if (abs(x(n)-y(n)) > 0.00001) call abort
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if (abs(x(n)-y(n)) > 0.00001) call abort
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end do
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end do
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close (3)
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close (3)
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! PR libfortran/20156
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! PR libfortran/20156
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open (3, form='unformatted', status='scratch')
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open (3, form='unformatted', status='scratch')
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do i = 1, 5
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do i = 1, 5
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x(1) = i
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x(1) = i
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write (3) n, (x(n),n=1,10)
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write (3) n, (x(n),n=1,10)
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end do
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end do
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nr = 0
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nr = 0
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rewind (3)
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rewind (3)
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20 continue
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20 continue
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read (3,end=30,err=90) n, (x(n),n=1,10)
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read (3,end=30,err=90) n, (x(n),n=1,10)
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nr = nr + 1
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nr = nr + 1
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goto 20
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goto 20
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30 continue
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30 continue
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if (nr .ne. 5) call abort
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if (nr .ne. 5) call abort
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do i = 1, nr+1
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do i = 1, nr+1
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backspace (3)
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backspace (3)
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end do
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end do
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do i = 1, nr
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do i = 1, nr
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read(3,end=70,err=90) n, (x(n),n=1,10)
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read(3,end=70,err=90) n, (x(n),n=1,10)
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if (abs(x(1) - i) .gt. 0.001) call abort
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if (abs(x(1) - i) .gt. 0.001) call abort
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end do
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end do
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close (3)
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close (3)
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stop
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stop
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70 continue
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70 continue
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call abort
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call abort
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90 continue
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90 continue
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call abort
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call abort
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end
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end
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