blob: 73ebd65a30e5542ca83456f93b4f676e231fe6da [file] [log] [blame]
! { dg-do run }
! { dg-options "-std=legacy" }
!
! PR 21376
! we used to take the logarithm of zero in this special case
character*10 c
write (c,'(e10.4)') 1.0
if(c /= "0.1000E+01") STOP 1
write (c,'(e10.4)') 0.0
if(c /= "0.0000E+00") STOP 2
write (c,'(e10.4)') 1.0d100
if(c /= "0.1000+101") STOP 3
write (c,'(e10.4)') 1.0d-102
if(c /= "0.1000-101") STOP 4
end