On the csdn Forum, there are a lot of problems related to large numbers of operations, which are described in a variety of ways, such as files, arrays, and polynomials. The author thinks that science should be built on the shoulders of giants as
GMP is short for GNU multiple-precision. It is a free Big integer computing library and exposes all source code. its official website seems to be gnu mp home page. however, the above GMP libraries are only provided for Linux.
I uploaded a Windows
GMP introduction:GMP is an open-source arithmetic library with any precision. It can be used for symbol integers, rational numbers, and floating point numbers. Does the arithmetic library have actual restrictions? The only limitation is the computer
These functions allow you to work with arbitrary-length integers using the GNU MP library. In order to has these functions available, you must compile PHP with GMP support by using the--WITH-GMP option.Through the GUN MP library, these functions
Just GCC 7.1 also came out, want to use the familiar Linux under test, special record as follows:Prepare the necessary system environment: (Upgrade the system to the latest, install the necessary tools)Pacman-syyu #升级系统到最新Pacman-q GCC gawk M4
Thesefunctionsallowyoutoworkwitharbitrary-lengthintegersusingtheGNUMPlibrary.Inordertohavethesefunctionsavailable, youmustcompilePHPwithGMPsupportbyusingthe -- wit
These functions allow you to work with arbitrary-length integers using the gnu mp
These functions allow you to work with arbitrary-length integers using the gnu mp library. in order to have these functions available, you must compile PHP with GMP support by using the -- with-gmp option.Through the gun mp library, these functions
Since the GCC version required by PHP7 in the compilation process is relatively high, and the GCC version in Wdlinux does not meet the PHP7 compilation requirements, the GCC compilation process is here.
Actually in the process of compiling GCC
Ubuntu users are all lazy. They have never compiled GCC or anything, and have sudo permissions. Therefore, it is easy to update Shenma. Now I am using a self-improvement 3000 server, and it is no longer sudoers. What a compiler is really like. After
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