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C----------------------------------------------------------------------
subroutine ftd2f(val,dec,cval,status)
C convert double precision value to F20.* format character string
C NOTE: some precision may be lost
C val d input value to be converted
C dec i number of decimal places to display in output string
C cval c output character string
C status i output error status (0 = OK)
double precision val
integer dec,status
character*20 cval,form*8
if (status .gt. 0)return
if (dec .ge. 0 .and. dec .le. 9)then
write(form,2000)dec
2000 format('(f20.',i1,')')
else if (dec .ge. 10 .and. dec .lt.18)then
write(form,2001)dec
2001 format('(f20.',i2,')')
else
C illegal number of decimal places were specified
status=411
call ftpmsg('Error in FTD2F: number of decimal places '
& //'is less than 0 or greater than 18.')
return
endif
write(cval,form,err=900)val
if (cval(1:1) .eq. '*')go to 900
return
900 status=402
call ftpmsg('Error in FTD2F converting double to F20. string.')
end
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