gmp_gcdext
gmp_gcdext
(PHP 4 >= 4.0.4, PHP 5, PHP 7)
gmp_gcdext — Calculate GCD and multipliers
Description
array gmp_gcdext ( GMP $a , GMP $b )
Calculates g, s, and t, such that a*s + b*t = g = gcd(a,b), where gcd is the greatest common divisor. Returns an array with respective elements g, s and t.
This function can be used to solve linear Diophantine equations in two variables. These are equations that allow only integer solutions and have the form: a*x + b*y = c. For more information, go to the 登录查看完整内容