<?php
namespace Faker\Provider;
class Biased extends Base
{
/**
* Returns a biased integer between $min and $max (both inclusive).
* The distribution depends on $function.
*
* The algorithm creates two doubles, x ∈ [0, 1], y ∈ [0, 1) and checks whether the
* return value of $function for x is greater than or equal to y. If this is
* the case the number is accepted and x is mapped to the appropriate integer
* between $min and $max. Otherwise two new doubles are created until the pair
* is accepted.
*
* @param int $min Minimum value of the generated integers.
* @param int $max Maximum value of the generated integers.
* @param callable $function A function mapping x ∈ [0, 1] onto a double ∈ [0, 1]
*
* @return int An integer between $min and $max.
*/
public function biasedNumberBetween($min = 0, $max = 100, $function = 'sqrt')
{
do {
$x = mt_rand() / mt_getrandmax();
$y = mt_rand() / (mt_getrandmax() + 1);
} while (call_user_func($function, $x) < $y);
return (int) floor($x * ($max - $min + 1) + $min);
}
/**
* 'unbiased' creates an unbiased distribution by giving
* each value the same value of one.
*
* @return int
*/
protected static function unbiased()
{
return 1;
}
/**
* 'linearLow' favors lower numbers. The probability decreases
* in a linear fashion.
*
* @return int
*/
protected static function linearLow($x)
{
return 1 - $x;
}
/**
* 'linearHigh' favors higher numbers. The probability increases
* in a linear fashion.
*
* @return int
*/
protected static function linearHigh($x)
{
return $x;
}
}
If you encounter any issues or need assistance, please reach out to our dedicated developer support team Contact Us
Thank you for choosing Kueue Pay Payment Gateway Solutions! We look forward to seeing your integration thrive and provide a seamless payment experience for your valued customers.