26 lines
621 B
Fortran
26 lines
621 B
Fortran
! { dg-do run }
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! { dg-options "-fno-sign-zero" }
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! PR17706
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! this is a libgfortran test
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! output value -0.00 is not standard compliant
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! derived from NIST F77 test FM406, with extra bits added.
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program pr17706
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implicit none
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character(len=10) :: s
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character(len=10), parameter :: x = "xxxxxxxxxx"
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real, parameter :: small = -0.0001
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s = x
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write (s, '(F4.1)') small
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! The plus is optional. We choose not to display it.
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if (s .ne. " 0.0") call abort
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s = x
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write (s, '(SS,F4.1)') small
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if (s .ne. " 0.0") call abort
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s = x
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write (s, '(SP,F4.1)') small
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if (s .ne. "+0.0") call abort
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end program
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