On 10/06/08 21:02, Bram Moolenaar wrote:
>
> Ben Schmidt wrote:
[...]
>>>> 4. Cosmetic thing but truncating of 0s in floating numbers would be user
>>>> friendly (eg. store and display 0.5 instead of 0.500000)
>>> I don't see an argument to printf() to get this.
>> Yeah, that'd be a good improvement.
>
> I mean: Vim is using the library printf() to do the conversion, but I
> don't see a way to tell printf() to omit superfluous zeroes.
[...]
It can be done easily (well, sort of) in vim-script post-processing:
function FloatToStr(f)
let retval = printf('%g', a:f)
if retval == '0.000000e+00' " special case
let retval = '0.0'
elseif retval == '-0.000000e+00' " another special case
let retval = '-0.0'
elseif retval =~ 'e\|[^0]$' " exponent or no trailing zeroes
" do nothing
else
" remove trailing zeroes
let retval = retval[:match(retval, '0*$') - 1]
" but leave at least one digit after the decimal point
if retval =~ '\.$'
let retval .= '0'
endif
endif
return retval
endfunction
Best regards,
Tony.
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