bignum

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128 bit Miller Rabin Primality test

I wanted to implement Miller Rabin Primality Test for large numbers. I wanted to know how to deal with such huge numbers in C++. Should I w开发者_JAVA技巧rite any special function to store and process[详细]

2023-04-11 01:17 分类：问答
What's the fastest implementation for bignum? (Java's bigInteger / Cython's int / gmpy / etc...)

Are there any benchmark on this??? (I tried googling for some results but found none... and I coul开发者_StackOverflowdn\'t test gmpy because gmplib wouldn\'t be installed on my laptop)[详细]

2023-04-07 12:55 分类：问答
How do i use BIGNUM's from the openSSL module in Lazarus

Background:I am working on an encryption application, i have the app written in Objective C and now i want to rewrite it in pascal so that it runs on windows. I am using pascal as it is a language i a[详细]

2023-04-02 20:00 分类：问答
Factorial in bignum library

Ive tried to create my own implementation of a bignum library I cant seem to get the factorial to work. If I ask it to solve 4!,it gives out 96. It multiplies 4 twice. similarly, 5! is 600, not 120. I[详细]

2023-03-14 21:34 分类：问答
Bignum divison and value assignment in c++

I\'m writing my own bignum class for operating on large numbers. So far I\'ve overloaded the operator= and operator+. How do I perform long division?[详细]

2023-03-12 04:57 分类：问答
How can I printf a Perl bignum without losing precision?

#!/usr/bin/perl use strict; use warnings; my $s = \"1234567890.123456789\"; { no bignum; printf \"bignum==%s\\n\", bignum::in_effect() // 0;[详细]

2023-02-20 04:26 分类：问答
How do I parse a decimal UUID string in C?

I\'ve got a UUID (128-bit number) represented as a decimal num开发者_StackOverflow社区ber and I need to parse it into numeric form in C. My target data structure is a char[16] and using a bignum libra[详细]

2023-02-13 05:23 分类：问答
What does GCC __attribute__((mode(XX)) actually do?

This arose from a question earlier today on the subject of bignum libraries and gcc specific hacks to the C language. Specifically, these two declarations were used:[详细]

2023-02-01 12:11 分类：问答
How to deal with big numbers in javascript [duplicate]

This question already has an answer here: 开发者_开发技巧 What is the standard solution in JavaScript for handling big numbers (BigNum)?[详细]

2023-01-27 07:33 分类：问答
What is the best way to check for infinity in a Perl module?

In one of my modules, I have to deal with the concept of infinity.To date, I have been using 9**9**9 as positive infinity, and this seems to work well, is fast, and seems to be what perl\'s internals[详细]

2023-01-18 21:10 分类：问答