p01/LICENSE.txt

## README.md

      
    Raw
  

              README.md
            
          
    Levenshtein Distance

Compute the levenshtein distance between two strings

  
## annotated.js
function(
  a, b,    // the 2 strings to compare
           // now the placeholder arguments:
  c, d,	   //   two row of the distance matrix
  e, f,    //   counters to loop through a and b
  g        //   the last computed distance
){
  for(d=[e=0];a[e];e++)            // loop through a and reset the 1st distance
    for(c=[f=0];b[++f];)           // loop through b and reset the 1st col of the next row
      g=
      d[f]=
        e?                         // not the first row ?
        1+Math.min(                //   then compute the cost of each change
          d[--f],
          c[f]-(a[e-1]==b[f]),
          c[++f]=d[f]              //   and copy the previous row of the distance matrix
        )
        :                          // otherwise
        f;                         //   init the very first row of the distance matrix
  return g
}

## index.js
function(a,b,c,d,e,f,g){for(d=[e=0];a[e];e++)for(c=[f=0];b[++f];)g=d[f]=e?Math.min(d[--f],c[f]-(a[e-1]==b[f]),c[++f]=d[f])+1:f;return g}

## LICENSE.txt
            DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
                    Version 2, December 2004

 Copyright (C) 2011 Mathieu 'p01' Henri <http://www.p01.org/releases/>

 Everyone is permitted to copy and distribute verbatim or modified
 copies of this license document, and changing it is allowed as long
 as the name is changed.

            DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
   TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION

  0. You just DO WHAT THE FUCK YOU WANT TO.

## package.json
{
  "name": "levenshteinDistance",

  "description": "Compute the levenshtein distance between two strings.",

  "keywords": [
    "levenshtein",
    "strings",
    "distance"
  ]
}

## test.html
<!DOCTYPE html>
<title>Levenshtein Distance</title>
<div>Expected value: <b>3,1,0,1,3</b></div>
<div>Actual value: <b id="ret"></b></div>
<script>
var L=function(a,b,c,d,e,f,g){for(d=[e=0];a[e++];)for(c=[f=0];b[++f];)g=d[f]=e-1?Math.min(d[--f],c[f]-(a[e]==b[f]),c[++f]=d[f])+1:f;return g};

document.getElementById('ret').innerHTML = [
	L('sitting','kitten')
	,L('kitten','mitten')
	,L('kitten','kitten')
	,L('mitten','kitten')
	,L('kitten','sitting')
];
</script>
	function(
	a, b, // the 2 strings to compare
	// now the placeholder arguments:
	c, d, // two row of the distance matrix
	e, f, // counters to loop through a and b
	g // the last computed distance
	){
	for(d=[e=0];a[e];e++) // loop through a and reset the 1st distance
	for(c=[f=0];b[++f];) // loop through b and reset the 1st col of the next row
	g=
	d[f]=
	e? // not the first row ?
	1+Math.min( // then compute the cost of each change
	d[--f],
	c[f]-(a[e-1]==b[f]),
	c[++f]=d[f] // and copy the previous row of the distance matrix
	)
	: // otherwise
	f; // init the very first row of the distance matrix
	return g
	}
	DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
	Version 2, December 2004

	Copyright (C) 2011 Mathieu 'p01' Henri <http://www.p01.org/releases/>

	Everyone is permitted to copy and distribute verbatim or modified
	copies of this license document, and changing it is allowed as long
	as the name is changed.

	DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
	TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION

	0. You just DO WHAT THE FUCK YOU WANT TO.
	{
	"name": "levenshteinDistance",

	"description": "Compute the levenshtein distance between two strings.",

	"keywords": [
	"levenshtein",
	"strings",
	"distance"
	]
	}
	<!DOCTYPE html>
	<title>Levenshtein Distance</title>
	<div>Expected value: <b>3,1,0,1,3</b></div>
	<div>Actual value: <b id="ret"></b></div>
	<script>
	var L=function(a,b,c,d,e,f,g){for(d=[e=0];a[e++];)for(c=[f=0];b[++f];)g=d[f]=e-1?Math.min(d[--f],c[f]-(a[e]==b[f]),c[++f]=d[f])+1:f;return g};

	document.getElementById('ret').innerHTML = [
	L('sitting','kitten')
	,L('kitten','mitten')
	,L('kitten','kitten')
	,L('mitten','kitten')
	,L('kitten','sitting')
	];
	</script>