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Topic: Bignum


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  NationMaster - Encyclopedia: Bignum
A bignum package in a computer or program allows internal representation of very large integers, rational numbers, decimal numbers, or floating-point numbers (limitted only by available memory), and provides a set of arithmetic operations on such numbers.
Bignum systems often employ fast multiplication and division algorithms, and many provide number theoretic primitives such as modular exponentiation.
Bignum objects are created automatically when integer calculations would otherwise overflow a Fixnum.
www.nationmaster.com /encyclopedia/Bignum   (717 words)

  
 Class: Bignum
Bignum objects hold integers outside the range of Fixnum.
When a calculation involving Bignum objects returns a result that will fit in a Fixnum, the result is automatically converted.
As Bignums are conceptually infinite length, the result acts as if it had an infinite number of one bits to the left.
www.ruby-doc.org /core/classes/Bignum.html   (430 words)

  
 Ruby: bignum.c Source File
As Bignums are conceptually infinite 01040 * length, the result acts as if it had an infinite number of one 01041 * bits to the left.
Bignum objects are created 02047 * automatically when integer calculations would otherwise overflow a 02048 * Fixnum.
When a calculation involving 02049 * Bignum objects returns a result that will fit in a 02050 * Fixnum, the result is automatically converted.
www.ruby-doc.org /doxygen/current/bignum_8c-source.html   (1267 words)

  
 Class java.lang.Bignum
All Bignum computation is done using an extra digit of precision which is truncated prior to returning the result.
A new Bignum whose value is determined by the given byte array.
A new Bignum whose value is determined by the given integer array.
www.public.iastate.edu /~java/docs/api/java.lang.Bignum.html   (2698 words)

  
 bignum - perldoc.perl.org
bignum recognizes some options that can be passed while loading it via use.
Negative values mean a fixed number of digits after the dot, while a positive value rounds to this digit left from the dot.
This enables a trace mode and is primarily for debugging bignum or Math::BigInt/Math::BigFloat.
perldoc.perl.org /bignum.html   (1195 words)

  
 The GNU MP Bignum Library
The speed is achieved by using fullwords as the basic arithmetic type, by using fast algorithms, with highly optimized assembly code for the most common inner loops for a lot of CPUs, and by a general emphasis on speed.
GMP is faster than any other bignum library.
Verbatim copying and distribution of this entire article is permitted in any medium, provided this notice is preserved.
gmplib.org   (1935 words)

  
 Powell's Books - Bignum Math: Implementing Cryptographic Multiple Precision Arithmetic by Tom Denis   (Site not responding. Last check: )
Bignum math is the backbone of modern computer security algorithms.
This book introduces the reader to the concept of bignum algorithms and proceeds to build an entire library of functionality from the ground up.
Excellent for the student as a learning tool and practitioner as a reference alike BigNum Math is for anyone with a background in computer science who has taken introductory level mathematic courses.
www.powells.com /biblio?isbn=1597491128   (598 words)

  
 Bookpool: BigNum Math: Implementing Cryptographic Multiple Precision Arithmetic
BigNum Math is for anyone with a background in computer science who has taken introductory level mathematic courses.
BigNum Math takes the reader on a detailed and descriptive course of the process of implementing bignum multiple precision math routines.
The text begins with a coverage of what "bignum math" means and heads into the lower level functions.
www.bookpool.com /sm/1597491128   (288 words)

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