Re: binary to decimal conversion
- Posted by Grape_ Vine_ <g__vine at HOTMAIL.COM> Oct 20, 2000
- 482 views
Thanx, This is what i was after. Sorry for not being clear, I tend to say 3 words and think it was 30 =) J Reeves Grape Vine ICQ# 13728824 >From: Matthew Lewis <MatthewL at KAPCOUSA.COM> >Reply-To: Euphoria Programming for MS-DOS <EUPHORIA at LISTSERV.MUOHIO.EDU> >To: EUPHORIA at LISTSERV.MUOHIO.EDU >Subject: Re: binary to decimal conversion >Date: Fri, 20 Oct 2000 08:51:42 -0700 > > > From: Grape_ Vine_ > > > I too have seen that. It does not work just the way i want it to > > Id does as long as i supply the binary by hand. > > I have a 128byte buffer i need changed from > > 8 bit binary to 2 bit binary > > I tried sequence slicing but it keeps > > giving me the old number > >This isn't completely clear, but is this what you mean: > >original buffer dec = { 255, 128 } >=> >original buffer bin = { 11111111, 10101010 } >=> >new buffer bin = { 11, 11, 11, 11, 10, 10, 10, 10 } >=> >new buffer dec = { 3, 3, 3, 3, 2, 2, 2, 2 } > > >if so: > >-- begin tested code > >include machine.e > >-- sequence buf is a sequence of integers [0-255] >function convert_buffer( sequence buf ) > sequence new > > for i = 1 to length( buf ) do > -- put into binary/sequence form > buf[i] = int_to_bits( buf[i] ) > end for > > new = {} > for i = 1 to length( buf ) do > -- slice up the bytes into 2 bit lengths and add to new > new &= { buf[i][1..2], buf[i][3..4], buf[i][5..6], buf[i][7..8] } > end for > > buf = repeat(0, length(new) ) > for i = 1 to length( new ) do > -- convert back to integers from binary/sequence form > buf[i] = bits_to_int( new[i] ) > end for > > return buf >end function > >-- end code > >There are probably ways that this could be sped up, but I think this gets >the job done. I'm not certain how you're getting the buffer, but this >should be easily modifiable. > >Matt _________________________________________________________________________ Get Your Private, Free E-mail from MSN Hotmail at http://www.hotmail.com. Share information about yourself, create your own public profile at http://profiles.msn.com.