Libgmp-dev Bignum C Class
Apr 29, 2017 C class for creating and computing arbitrary-length integers - Limeoats/BigNumber. C class for creating and computing arbitrary-length integers - Limeoats/BigNumber. GitHub is home to over 40 million developers working together to host and review code, manage projects, and build software together. Libcrypt-openssl-bignum-perl; libmpdec-dev; libflint-arb-dev; Multiprecision arithmetic library developers tools. Other Packages Related to libgmp-dev. Depends; recommends; suggests. Download libgmp-dev. Download for all available architectures; Architecture Package Size Installed Size Files; amd64: 308.9 kB: 1,576.0 kB list of files. Bignum objects hold integers outside the range of Fixnum. Bignum objects are created automatically when integer calculations would otherwise overflow a Fixnum.When a calculation involving Bignum objects returns a result that will fit in a Fixnum, the result is automatically converted. For the purposes of the bitwise operations and , a Bignum is treated as if it were. Nov 27, 2010 A bignum or bigint is a number that exceeds the computers native integer magnitude. For example, a 32-bit integer in two's-complement representation has the range to -, or about ±2×10 9 (plus or minus two billion in the short-scale, or between 9 and 10 digits). Likewise, a 64-bit integer has the range 854775807 to.
Header File:
#ifndef BIGINT_H
#define BIGINT_H
const int CAPACITY = 200;
class bigint
{
public:
bigint();
//Postcondition: Sets the value of the digits array to 0
bigint(int initial_num);
//Postcondition: Initializes the digits array to an int value
friend std::ostream& operator <<(std::ostream& out, const bigint& a);
//Postcondition: Displays the contents of bigint to an output device
private:
int digits[CAPACITY];
};
#endif /* BIGINT_H */
##############################################################################
Implication File:
//////////////////////////////CONSTRUCTORS/////////////////////////////////////
bigint::bigint()
{
for (int i = 0; i < CAPACITY; ++i)
{
digits[i] = 0;
}
}
//------------------------------------------------------------------------------
bigint::bigint(int initial_num)
{
// initialize i to 0
int i = 0;
//Inputs the individual numbers given to bigint into the digits array's elements
while(initial_num > 0)
{
digits[i] = initial_num%10;
initial_num = initial_num/10;
++i;
}
//Makes sure that the remaining elements of the array is set to 0
for( ; i< CAPACITY; ++i)
digits[i] = 0;
}
std::ostream& operator <<(std::ostream& out, const bigint& a)
{
//Postcondition: Displays the contents of bigint to an output device
//Friend of: bigint class
int i;
for(i = CAPACITY - 1; i >= 0 && a.digits[i] 0; i--)
{
//Empty body
}
for( ; i >= 0; i--)
out << a.digits[i];
return out;
}
##############################################################################
Main File:
#include <iostream>
#include <cassert>
#include <cstdlib>
#include <fstream>
#include 'bigint_test.h'
using std::cout;
using std::cin;
int main()
{
bigint object1(457), object2(474357878545);
cout << 'Object1 equals ' << object1 << std::endl; //Works fine
cout << 'Object2 equals ' << object2 << std::endl;
//Get random numbers
return 0;
}
Aug 09, 2002 Methods that should be static are instanced. It has its tests in the class instead of separated. GetBytes doesn't work. GetRandomBits is completely broken. I started using it yesterday and already I'm trying to find a different BigInteger class. I only even made an account on this site to tell people not to use this class.
Links for libgmp-dev
Ubuntu Resources:
Download Source Package gmp:
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Maintainer:
- Ubuntu Core Developers (Mail Archive)
Please consider filing a bug or asking a question via Launchpad before contacting the maintainer directly.
Original Maintainers (usually from Debian):
- Debian Science Team (Mail Archive)
- Steve M. Robbins
It should generally not be necessary for users to contact the original maintainer.
External Resources:
- Homepage [gmplib.org]
Similar packages:
Bignum Math
Multiprecision arithmetic library developers tools
Openssl Bignum
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Bignum Library
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- Multiprecision arithmetic library (C++ bindings)
- sug:gmp-doc
- GMP (Multiprecision arithmetic library) documentation
- sug:libgmp10-doc
- Multiprecision arithmetic library example code
- sug:libmpfr-dev
- multiple precision floating-point computation developers tools
Download libgmp-dev
| Architecture | Package Size | Installed Size | Files |
|---|---|---|---|
| amd64 | 308.9 kB | 1,576.0 kB | [list of files] |
| arm64 | 276.2 kB | 1,416.0 kB | [list of files] |
| armhf | 249.0 kB | 1,085.0 kB | [list of files] |
| i386 | 320.6 kB | 1,524.0 kB | [list of files] |
| ppc64el | 290.9 kB | 1,546.0 kB | [list of files] |
| s390x | 295.0 kB | 1,593.0 kB | [list of files] |