IntervalFunction::__construct() - Code Metrics - tmilos/cgi-calc - Measure and Improve Code Quality continuously with Scrutinizer

IntervalFunction::__construct() A
last analyzed 2016-04-05 13:43 UTC

↳ Parent: IntervalFunction

Complexity

Conditions	3
Paths	3

Size

Total Lines	9
Code Lines	5

Duplication

Lines	0
Ratio	0 %

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
c	1
b	0
f	0
dl	0
loc	9
rs	9.6666
cc	3
eloc	5
nc	3
nop	2

<?php

/*
 * This file is part of the CGI-Calc package.
 *
 * (c) Milos Tomic <[email protected]>
 *
 * This source file is subject to the MIT license that is bundled
 * with this source code in the file LICENSE.
 */

namespace Cgi\Calc\Func;

use Cgi\Calc\FunctionInterface;
use Cgi\Calc\Point\Path;
use Cgi\Calc\Point;

class IntervalFunction implements FunctionInterface
{
    /** @var Path */
    private $path;

    /** @var bool */
    private $extrapolate;

    /**
     * @param Path $path
     * @param bool $extrapolate
     */
    public function __construct(Path $path, $extrapolate = true)
    {
        if (false === $path->isMonotonouslyIncreasingX()) {
            throw new \InvalidArgumentException('Path must be monotony increasing by X');
        }

        $this->path = $path;
        $this->extrapolate = $extrapolate ? true : false;
    }

    /**
     * @param float $x
     *
     * @return float|null
     */
    public function evaluate($x)
    {
        $nowPoint = new Point($x, 0);

        $containingLine = null;
        foreach ($this->path->getLineIterator() as $line) {
            if ($nowPoint->betweenX($line->getStartPoint(), $line->getEndPoint())) {
                $containingLine = $line;
                break;
            }
        }

        if (null === $containingLine) {
            if (false === $this->extrapolate) {
                return null;
            }

            if ($this->path->firstPoint()->getX() > $x) {
                $containingLine = $this->path->firstLine();
            } else {
                $containingLine = $this->path->lastLine();
            }
        }

        return $containingLine->getLinearFunction()->evaluate($x);
    }
}


1			<?php
2
3			/*
4			* This file is part of the CGI-Calc package.
5			*
6			* (c) Milos Tomic <[email protected]>
7			*
8			* This source file is subject to the MIT license that is bundled
9			* with this source code in the file LICENSE.
10			*/
11
12			namespace Cgi\Calc\Func;
13
14			use Cgi\Calc\FunctionInterface;
15			use Cgi\Calc\Point\Path;
16			use Cgi\Calc\Point;
17
18			class IntervalFunction implements FunctionInterface
19			{
20			/** @var Path */
21			private $path;
22
23			/** @var bool */
24			private $extrapolate;
25
26			/**
27			* @param Path $path
28			* @param bool $extrapolate
29			*/
30			public function __construct(Path $path, $extrapolate = true)
31			{
32			if (false === $path->isMonotonouslyIncreasingX()) {
33			throw new \InvalidArgumentException('Path must be monotony increasing by X');
34			}
35
36			$this->path = $path;
37			$this->extrapolate = $extrapolate ? true : false;
38			}
39
40			/**
41			* @param float $x
42			*
43			* @return float\|null
44			*/
45			public function evaluate($x)
46			{
47			$nowPoint = new Point($x, 0);
48
49			$containingLine = null;
50			foreach ($this->path->getLineIterator() as $line) {
51			if ($nowPoint->betweenX($line->getStartPoint(), $line->getEndPoint())) {
52			$containingLine = $line;
53			break;
54			}
55			}
56
57			if (null === $containingLine) {
58			if (false === $this->extrapolate) {
59			return null;
60			}
61
62			if ($this->path->firstPoint()->getX() > $x) {
63			$containingLine = $this->path->firstLine();
64			} else {
65			$containingLine = $this->path->lastLine();
66			}
67			}
68
69			return $containingLine->getLinearFunction()->evaluate($x);
70			}
71			}
72

tmilos / cgi-calc

IntervalFunction::__construct() A last analyzed 2016-04-05 13:43 UTC

Complexity

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IntervalFunction::__construct() A
last analyzed 2016-04-05 13:43 UTC