WSJT-X/f77_wisdom.f

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subroutine write_char(c, iunit)
character c
integer iunit
write(iunit,1000) c
1000 format(a,$)
end
subroutine export_wisdom_to_file(iunit)
integer iunit
external write_char
c call dfftw_export_wisdom(write_char, iunit)
call sfftw_export_wisdom(write_char, iunit)
end
subroutine read_char(ic, iunit)
integer ic
integer iunit
character*256 buf
save buf
integer ibuf
data ibuf/257/
save ibuf
if (ibuf .lt. 257) then
ic = ichar(buf(ibuf:ibuf))
ibuf = ibuf + 1
return
endif
read(iunit,1000,end=10) buf
1000 format(a256)
ic = ichar(buf(1:1))
ibuf = 2
return
10 ic = -1
ibuf = 257
rewind iunit
return
end
subroutine import_wisdom_from_file(isuccess, iunit)
integer isuccess
integer iunit
external read_char
c call dfftw_import_wisdom(isuccess, read_char, iunit)
call sfftw_import_wisdom(isuccess, read_char, iunit)
end