>> "{b}".format(int("c3",16)) ''." /> >> "{b}".format(int("c3",16)) ''." />

Working with Binary Data in Python

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Create a program that takes a decimal floating point number and displays its binary representation and vice versa: L2 as well as just say "Invalid input" or similar. Here however a possible base may extend beyond just the decimal digits, so it is no longer possible to rely on zero to nine only and their associated character codes, thus the "digit" is now identified by indexing into an array of digits, thereby enabling "A" to follow "9" without character code testing.

The original routine was intended for usages in the hundreds of millions of calls, so this version would be unsuitable! In handling this, the exponent part was added to DD and who knows, the result may produce a zero DD as in " Few numbers are presented with more than sixteen fractional digits, but I have been supplied data supposedly on electric power consumption via the national grid with values such as 1.

It is better to risk one only, at the end. In a more general situation the text would first have to be scanned to span the number part, binary hex representation in mathematica and pythons incurring double handling. The codes for hexadecimal, octal and binary formats do not read or write numbers in those bases, they show the bit pattern of the numerical storage format instead, and for floating-point numbers this is very different.

Note the omitted high-order bit in the normalised binary floating-point format - a further complication. Rather than mess about with invocations, the test interprets the texts firstly as base ten sequences, then base two. It makes no complaint over encountering the likes of "" when commanded to absorb according to base two.

The placewise notation is straightforward: Note again that a decimal value in binary is almost always a recurring sequence and that the exact decimal value of the actual binary sequence in the computer of finite length is not the same binary hex representation in mathematica and pythons the original decimal value. In this draft, the task does not give any guidelines for handling precision. So we will use 99 places after the decimal point and trim any trailing zeros and the decimal point, for integer case.

Also, since J does not have a "Decimal floating point number" data type, we will use a list of characters to represent a decimal or binary number this corresponds roughly with the relevant feature set of REXX which seems to have had a strong influence on this draft of this taskand use internal mantissa,exponent representations during the conversion.

Well, I am no expert in OCaml, and my code may seem a bit messy, but I actually took a rather naive aproach Anyway, the program seems to work, but the algorithm s can probably be improved. After reading the discussion, I took into account the suggestion that the program should perform conversions from any base to any other base. The binary to number conversion is easy because it's supported by Racket. Racket only supports the number to binary conversion for integer numbers, so we multiply the original number by a power of two, to get all the binary digits, and then we manipulate the string to place the point in the correct place.

Bases up to 62 will just use decimal digits along with upper and lowercase Latin letters. This REXX program is a modified version of the original program which can handle any base no limitand the original program did more extensive error checking.

Bases that are negative are also supported which won't be explained here. By far the easiest way to do this is to use Tcl's built-in handling of Binary hex representation in mathematica and pythons arithmetic, converting the IEEE representation into the string representation we want and vice versa by simple string manipulations.

Adapting the code to work with IEEE double-precision floats is left as an exercise for the reader, as is dealing with the trickier special cases of the infinities and NaN.

Create account Log in. Page Discussion Edit History. Decimal floating point number to binary From Rosetta Code. Decimal floating point number to binary binary hex representation in mathematica and pythons a draft programming task. It is not yet considered ready to be promoted as a complete task, for reasons that should be found in its talk page. Retrieved from " binary hex representation in mathematica and pythons This page was last modified on 4 Marchat Privacy policy About Rosetta Code Disclaimers.

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Join Stack Overflow to learn, share knowledge, and build your career. I have a string that has both binary and string characters and I would like to convert it to binary first, then to hex. How do I go about converting this string in Python so that the output in hex format is similar to this below?

By posting your answer, you agree to the privacy policy and terms of service. Email Sign Up or sign in with Google. The string is as below: It appears to me that the example string and the hex output are not the same thing I'm confused by the string holding binary charaters what do you mean by that and that hou want to convert it to binary, then to hex Tell us what version of Python and what platform. You can use ord and hex like this: Ferran 9, 2 13 Your version with hex and ord does not work reliably.

As a result it would look like: The encoding version is of course better. Pythomania 1 3 Chameleon 3, 6 33 Sign up or log in Sign up using Google. Sign up using Facebook. Sign up using Email and Password. Post as a guest Name. Stack Overflow works best with JavaScript enabled.