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by Jordan
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created

HalfAlternatingAdapter::determineCarry()   A

↳ Parent: HalfAlternatingAdapter

Complexity

Conditions 5
Paths 5

Size

Total Lines 12
Code Lines 8

Duplication

Lines 0
Ratio 0 %

Code Coverage

Tests 7
CRAP Score 5.2742

Importance

Changes 1
Bugs 0 Features 0
Metric Value
cc 5
eloc 8
c 1
b 0
f 0
nc 5
nop 2
dl 0
loc 12
ccs 7
cts 9
cp 0.7778
crap 5.2742
rs 9.6111
1 
<?php
2 

            


            
                                                                                                            
                            
            
                                    
            
            

                
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namespace Samsara\Fermat\Provider\RoundingModeAdapters\Modes;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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/**

            


            
                                                                                                            
                            
            
                                    
            
            

                
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 *

            


            
                                                                                                            
                            
            
                                    
            
            

                
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 */

            


            
                                                                                                            
                            
            
                                    
            
            

                
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class HalfAlternatingAdapter extends BaseAdapter

            


            
                                                                                                            
                            
            
                                    
            
            

                
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{

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    private int $alt = 1;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    /**

            


            
                                                                                                            
                            
            
                                    
            
            

                
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     * @inheritDoc

            


            
                                                                                                            
                                                                
            
                                    
            
            

                
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     */

            


            
                                                                        
                            
            
                                    
            
            

                
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    public function determineCarry(int $digit, int $nextDigit): int

            


            
                                                                        
                            
            
                                    
            
            

                
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    {

            


            
                                                                        
                            
            
                                    
            
            

                
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        $early = static::nonHalfEarlyReturn($digit);

            


            
                                                                        
                            
            
                                    
            
            

                
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        $remainder = $this->remainderCheck();

            


            
                                                                        
                            
            
                                    
            
            

                
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        if ($early == 0 && !$remainder) {

            


            
                                                                        
                            
            
                                    
            
            

                
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            $val = $this->alt;

            


            
                                                                        
                            
            
                                    
            
            

                
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            $this->alt = (int)!$val;

            


            
                                                                        
                            
            
                                    
            
            

                
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            return $val;

            


            
                                                                        
                            
            
                                    
            
            

                
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        } else {

            


            
                                                                        
                            
            
                                    
            
            

                
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            return (($early == 1 || $remainder) ? 1 : 0);

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        }

            


            
                                                                                                            
                                                                
            
                                    
            
            

                
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    }

            


            
                                                        
            
                                    
            
            

                
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}