simple-squiggle

A restricted subset of Squiggle
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xgcd.md (916B)


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      2 
      3 # Function xgcd
      4 
      5 Calculate the extended greatest common divisor for two values.
      6 See https://en.wikipedia.org/wiki/Extended_Euclidean_algorithm.
      7 
      8 
      9 ## Syntax
     10 
     11 ```js
     12 math.xgcd(a, b)
     13 ```
     14 
     15 ### Parameters
     16 
     17 Parameter | Type | Description
     18 --------- | ---- | -----------
     19 `a` | number &#124; BigNumber | An integer number
     20 `b` | number &#124; BigNumber | An integer number
     21 
     22 ### Returns
     23 
     24 Type | Description
     25 ---- | -----------
     26 Array | Returns an array containing 3 integers `[div, m, n]` where `div = gcd(a, b)` and `a*m + b*n = div`
     27 
     28 
     29 ### Throws
     30 
     31 Type | Description
     32 ---- | -----------
     33 
     34 
     35 ## Examples
     36 
     37 ```js
     38 math.xgcd(8, 12)             // returns [4, -1, 1]
     39 math.gcd(8, 12)              // returns 4
     40 math.xgcd(36163, 21199)      // returns [1247, -7, 12]
     41 ```
     42 
     43 
     44 ## See also
     45 
     46 [gcd](gcd.md),
     47 [lcm](lcm.md)