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Math::BaseArith 1.00

Date Added: November 20, 2010 | Visits: 1.063

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Math::BaseArith is a Perl extension for mixed-base number representation (like APL encode/decode). SYNOPSIS use Math::BaseArith; encode( value, base_list ); decode( representation_list, base_list ); The inspiration for this module is a pair of functions in the APL programming language called encode (a.k.a. "representation") and decode (a.k.a. base-value). Their principal use is to convert numbers from one number base to another. Mixed number bases are permitted. In this perl implementation, the representation of a number in a particular number base consists of a list whose elements are the digit values in that base. For example, the decimal number 31 would be expressed in binary as a list of five ones with any number of leading zeros: [0, 0, 0, 1, 1, 1, 1, 1]. The same number expressed as three hexadecimal (base 16) digits would be [0, 1, 15], while in base 10 it would be [0, 3, 1]. Fifty-one inches would be expressed in yards, feet, inches as [1, 1, 3], an example of a mixed number base. In the following description of encode and decode, Q will mean an abstract value or quantity, R will be its representation and B will define the number base. Q will be a perl scalar; R and B are perl lists. The values in R correspond to the radix values in B. In the examples below, assume the output of print has been altered by setting $, = and that => is your shell prompt..

Requirements: No special requirements

Platforms: Linux

Keyword: Apl, Base, Basearith, Libraries, List, Mathbasearith, Mixed-base Number, Number, Number Base, Perl, Programming, Representation

Users rating: 0/10

License: Freeware

Size: 6.14 KB

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