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About 31 results for
bitstring
- Page 1
sort?
Programming
Software Development
14 Years Ago
by nope3d
…gt;ms.getNumberOfElements()) { bitSize = this.getNumberOfElements(); } else { bitSize = ms.getNumberOfElements(); } }
bitString
= new int[bitSize]; if(!this.isEmpty()||!ms.isEmpty()) { boolean found…
Re: Perl: need help converting to signed int
Programming
Software Development
12 Years Ago
by d5e5
…, I'm using two's compliment 0xFFFFFFFF (stored in binary
bitstring
) should be -1, but it is showing up as 4294967295… in something like the following way? 0xFFFFFFFF (stored in binary
bitstring
) would be a string of 32 1's, right?[CODE… 32; #String of 32 1's my $pl = pack 'l', $
bitstring
; #Create a packed long integer my ($num) = unpack 'l', $pl…
Re: Adding 1 with 1 in binary
Programming
Software Development
16 Years Ago
by Agentbob
…. Calculate sum of carry and last (rightmost) bit of the
BitString
. If the sum equals to 2 then make lastBit=0… 2 for the second to the last bit of the
BitString
, and so on (namely for all bits from right to… algorithm i'm trying to replicate. Adding 1 to a
bitString
.
Adding 1 with 1 in binary
Programming
Software Development
16 Years Ago
by Agentbob
… s < bit: oldbitstring = str(int('1'*(bit-s) + b))
bitstring
= str(int('1'*(bit-s) + b) + 1) if int…(
bitstring
[-1]) == 2: oldbitstring = int(oldbitstring) - 1 print oldbitstring [/CODE] *note …
Perl: need help converting to signed int
Programming
Software Development
12 Years Ago
by blah32
I'm trying to convert a
bitstring
to a signed 32 bit integer value. The
bitstring
is in big-endian. I can get…
Re: Perl: need help converting to signed int
Programming
Software Development
12 Years Ago
by d5e5
Please show us an example of a negative
bitstring
. I think that since you say "big-endian" …you have generated your
bitstring
according to the 2's Complement method but I'm…
Re: Perl: need help converting to signed int
Programming
Software Development
12 Years Ago
by blah32
yeah, I'm using two's compliment 0xFFFFFFFF (stored in binary
bitstring
) should be -1, but it is showing up as 4294967295
Huffman coding
Programming
Software Development
11 Years Ago
by tiffany.leroux.7
… pass-by-reference string for the current // state of the
bitstring
. read the C++ documentation on 'string' to // see how to…
Re: String to Bits
Programming
Software Development
13 Years Ago
by Gribouillis
…One such module is
bitstring
([http://pypi.python.org/pypi/
bitstring
](http://pypi.python.org/pypi/
bitstring
)). Install it with easy_install…pip. Example: >>> from
bitstring
import
BitString
>>> bs =
BitString
(bytes="hello world") >&… [user manual is here](http://packages.python.org/
bitstring
/contents.html)
Re: Binary File Facts
Programming
Software Development
9 Years Ago
by Gribouillis
…. Here is an example with python 2.7 from
bitstring
import
BitString
>>> s =
BitString
(bin='011101000110010101110011011101000010000001101111011001100000101001100001001000000110110101110101011011000111010001101001011011000110100101101110011001010000101001110011011101000111001001101001011011100110011100001010') >>> s…
Re: working for a counter of 6 bit and i need a counter of 48 bit
Programming
Software Development
11 Years Ago
by Gonbe
… BIT_COUNT (6) void print_bits(int bitcount, char*
bitstring
, int offset) { if (bitcount == 0) …printf("%s\n",
bitstring
); } else {
bitstring
[offset] = '0'; print_bits(bitcount - 1,
bitstring
, offset + 1);
bitstring
[offset] = '1'; …
Re: RC4 - key scheduling algorithm
Hardware and Software
Networking
9 Years Ago
by Slavi
… the user. 2) Hash/KDF the password into an n-
bitstring
. 3) Generate a n-bit randon number. 4) xor the… of the ciphertext are the random number. In here, n-
bitstring
and n-bit random number are with different size correct…? So it would be n-
bitstring
and m-bit random number, where the number is shorter…
Re: sine, cosine problem
Programming
Software Development
13 Years Ago
by Gribouillis
… binary representation of floating points numbers using the module [i]
bitstring
[/i] available in pypi [code=python] >>> from…
bitstring
import
BitString
>>> bs =
BitString
(float=-0.5, length=64) >>>…
Re: RC4 - key scheduling algorithm
Hardware and Software
Networking
9 Years Ago
by Hiroshe
… user. 2) Hash/KDF the password into an n-
bitstring
. 3) Generate a n-bit randon number. 4) …xor the number with the n-
bitstring
to get the key. 5) The first n-…user. 2) Hash/KDF the password into a n-
bitstring
. 3) Read the first n-bit's of …the ciphertext. 4) xor the n-
bitstring
with the first n-bits of the ciphertext. Here…
Re: floating point arithmatic, WTF am I doing wrong?
Programming
Software Development
11 Years Ago
by Gribouillis
I have a starting point using module
bitstring
(from pypi) and the wikipedia page import
bitstring
test_data = [ ("0 01111 0000000000", 1…, c = (int(x, 2) for x in u.split()) s =
bitstring
.pack(fmt, a, b, c) print s.bin s, e…
Re: Huffman coding writing large binary file
Programming
Software Development
10 Years Ago
by Schol-R-LEA
… >= 8) { bitCount = 0; bits.append(target); target = 0; } } } byte[]
bitstring
= new byte[bits.Length()]; for (int i = 0; i <…
Re: Huffman coding writing large binary file
Programming
Software Development
10 Years Ago
by tingwong
…; bits.add(target); target = 0; } else { bits.add(target); } } byte[]
bitstring
= new byte[bits.size()]; for(int i = 0; i <…
Re: Prime Number Generator (Python)
Programming
Software Development
13 Years Ago
by joebob1st
you may want to compare timings with (Generators) Speed up
bitstring
/bit operations in Python? [url]http://stackoverflow.com/questions/2897297/…speed-up-
bitstring
-bit-operations-in-python[/url] Fastest way to list all…
Re: Signed and Unsigned int in python
Programming
Software Development
12 Years Ago
by woooee
… sign. There is [URL=http://pypi.python.org/pypi/
bitstring
/2.1.1]
bitstring
[/URL], [URL=http://pypi.python.org/pypi/BitBuffer…
Re: Binary File Facts
Programming
Software Development
9 Years Ago
by nouth
from
bitstring
import Bits s = Bits(bin='001100010010011110100001101101110011') `s` returns `Bits('0x3127a1b73')` In the [docs](https://pythonhosted.org/
bitstring
/constbitarray.html) it has this example `>>> s3 = Bits(bin='0b001000110100')` But it has a `b` as the second char of the str?!?!?
Re: Algorithmic challenge
Programming
Software Development
9 Years Ago
by Gribouillis
Yes it works, here is the code, using module
bitstring
from pypi #!/usr/bin/env python # -*-coding: utf8-*- '''find a …) import sys if sys.version_info < (3,): chr = unichr from
bitstring
import BitArray # sudo pip install bistring UMAX = 2 ** 16 a…
Re: send raw data via serial
Programming
Software Development
17 Years Ago
by bumsfeld
Python has full set of binary operators, but I don't think there is one way to send
bitstring
to USB chip. Ultimately that is how data would travel in the serial wire.
Re: Bit String help
Programming
Software Development
15 Years Ago
by Duoas
… (integer types). Hence, the number "10" is the
bitstring
1010 (msb to lsb). For a number, the bits and…
Re: Huffman algorithm implementation in C
Programming
Software Development
13 Years Ago
by nilu28
… */ ch = fgetc (infile); if (feof (infile)) break; /* put the corresponding
bitstring
on outfile */ for (s=codes[ch]; *s; s++) bitout (outfile…
Re: Huffman coding writing large binary file
Programming
Software Development
10 Years Ago
by bguild
… explain your problem. Why are you storing the bytes in `
bitstring
`? What use will they be after they have been written…
Re: RC4 - key scheduling algorithm
Hardware and Software
Networking
9 Years Ago
by Hiroshe
… in the rest of the algorithm. > In here, n-
bitstring
and n-bit random number are with different size correct…
Re: sort?
Programming
Software Development
14 Years Ago
by masijade
Well, where is your attempt at it?
Re: Adding 1 with 1 in binary
Programming
Software Development
16 Years Ago
by jrcagle
So the idea is, you have two binary numbers represented as strings, and then you want to add them? I'm not seeing any obvious errors in the code above.
Re: Adding 1 with 1 in binary
Programming
Software Development
16 Years Ago
by Agentbob
[QUOTE=jrcagle;455835]So the idea is, you have two binary numbers represented as strings, and then you want to add them? I'm not seeing any obvious errors in the code above.[/QUOTE] No, not exactly. What I"m trying to do is two bit complement. So for example, I want to determine the two bit complement of 10 with 4 bits. 1010 …
Re: Perl: need help converting to signed int
Programming
Software Development
12 Years Ago
by d5e5
After posting the above I tried substituting 'l' for 'N' in your original script and it also printed -1 for me, so I guess the problem is you are running it on a different platform. I'm using Ubuntu 10.04.3 LTS and my computer is 32-bit.[CODE]#!/usr/bin/perl use strict; use warnings; print bin2dec('1' x 32); #Prints -1 sub bin2dec { …
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