Biased::biasedNumberBetween() - Code Metrics - johnykvsky/dummygenerator - Measure and Improve Code Quality continuously with Scrutinizer

Biased::biasedNumberBetween() A
last analyzed 2025-08-04 12:46 UTC

↳ Parent: Biased

Complexity

Conditions	3
Paths	2

Size

Total Lines	12
Code Lines	7

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	6
CRAP Score	3.0261

Importance

Changes

Metric	Value
eloc	7
dl	0
loc	12
ccs	6
cts	7
cp	0.8571
rs	10
c	0
b	0
f	0
cc	3
nc	2
nop	3
crap	3.0261

<?php

declare(strict_types = 1);

namespace DummyGenerator\Core;

use DummyGenerator\Definitions\Extension\Awareness\RandomizerAwareExtensionInterface;
use DummyGenerator\Definitions\Extension\Awareness\RandomizerAwareExtensionTrait;
use DummyGenerator\Definitions\Extension\BiasedExtensionInterface;
use DummyGenerator\Definitions\Extension\Exception\ExtensionArgumentException;

class Biased implements BiasedExtensionInterface, RandomizerAwareExtensionInterface
{
    use RandomizerAwareExtensionTrait;

    public function biasedNumberBetween(int $min = 0, int $max = 100, callable|string $function = 'sqrt'): int
    {
        if (!is_callable($function)) {
            throw new ExtensionArgumentException('Given $function must be a callable');
        }

        do {
            $x = $this->randomizer->getInt(0, PHP_INT_MAX) / PHP_INT_MAX;
            $y = $this->randomizer->getInt(0, PHP_INT_MAX) / (PHP_INT_MAX + 1);
        } while ($function($x) < $y);

        return (int) floor($x * ($max - $min + 1) + $min);
    }

    public function unbiased(): int
    {
        return 1;
    }

    public function linearLow(float $x): float
    {
        return 1 - $x;
    }

    public function linearHigh(float $x): float
    {
        return $x;
    }
}


1		<?php
2
3		declare(strict_types = 1);
4
5		namespace DummyGenerator\Core;
6
7		use DummyGenerator\Definitions\Extension\Awareness\RandomizerAwareExtensionInterface;
8		use DummyGenerator\Definitions\Extension\Awareness\RandomizerAwareExtensionTrait;
9		use DummyGenerator\Definitions\Extension\BiasedExtensionInterface;
10		use DummyGenerator\Definitions\Extension\Exception\ExtensionArgumentException;
11
12		class Biased implements BiasedExtensionInterface, RandomizerAwareExtensionInterface
13		{
14		use RandomizerAwareExtensionTrait;
15
16	4	public function biasedNumberBetween(int $min = 0, int $max = 100, callable\|string $function = 'sqrt'): int
17		{
18	4	if (!is_callable($function)) {
19		throw new ExtensionArgumentException('Given $function must be a callable');
20		}
21
22		do {
23	4	$x = $this->randomizer->getInt(0, PHP_INT_MAX) / PHP_INT_MAX;
24	4	$y = $this->randomizer->getInt(0, PHP_INT_MAX) / (PHP_INT_MAX + 1);
25	4	} while ($function($x) < $y);
26
27	4	return (int) floor($x * ($max - $min + 1) + $min);
28		}
29
30	1	public function unbiased(): int
31		{
32	1	return 1;
33		}
34
35	1	public function linearLow(float $x): float
36		{
37	1	return 1 - $x;
38		}
39
40	1	public function linearHigh(float $x): float
41		{
42	1	return $x;
43		}
44		}
45

johnykvsky / dummygenerator

Biased::biasedNumberBetween() A last analyzed 2025-08-04 12:46 UTC

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Biased::biasedNumberBetween() A
last analyzed 2025-08-04 12:46 UTC