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Levenshtein_Array_Load ( lenStr1 ; lenStr2 ; i ; j ; pad )

Called by the Levenshtein function to load the second column of the first dimension, and the first column of the second dimension. (See lines 7-10 of the pseudo-code in the pages referenced in the Levenshtein function description.)

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Steve Allen Richard Carlton Consulting, Inc. http://www.rcconsulting.com

  Function definition: (Copy & paste into FileMaker's Edit Custom Function window)

/** * Levenshtein_Array_Load ( lenStr1 ; lenStr2 ; i ; j ; pad ) * * by Steve Allen; Lead Engineer; Richard Carlton Consulting, Inc. * P: (707) 422-4053 * E: info@rcconsulting.com * * @version 1.0 * * @description * * Called by the Levenshtein function (http://www.briandunning.com/cf/965) * to load the first column of the first dimension, * and the first row of the second dimension. * * (See lines 7-10 of the pseudo-code in the pages referenced in the Levenshtein function description.) * * Note: Best viewed in a large text space, for formatting purposes. * * @param string lenStr1 * * Length of the First String being compared. * (Also, this is the maximum coordinate of the first dimension of the array being loaded.) * * @param string lenStr2 * * Length of the Second String being compared. * (Also, this is the maximum coordinate of the second dimension of the array being loaded.) * * @param number i * * The current iteration in the outer loop. * (The first-dimension coordinate for the cell to be cleaned by this loop iteration.) * * @param number j * * The current iteration in the inner loop. * (The second-dimension coordinate for the cell to be cleaned by this loop iteration.) * * @param string pad * * Padding string. See note 1 in Levenshtein function comments. * (Should be all 0's, but this is not validated.) * * @result string * * Returns static text "Loaded". This is for debugging purposes only, and has no meaning in * either this function or the Levenshtein function. * */ Case ( i <= lenStr1 or j <= lenStr2 ; Case ( i <= lenStr1 ; Evaluate ( "Let( $$_ld_array[" & Right ( pad & i ; Length ( pad ) ) & pad & "] = " & i & "; \"\" )" ) ) & Case ( j <= lenStr2 ; Evaluate ( "Let( $$_ld_array[" & pad & Right ( pad & j ; Length ( pad ) ) & "] = " & j & "; \"\" )" ) ) & Levenshtein_Array_Load ( lenStr1 ; lenStr2 ; i + 1 ; j + 1 ; pad ) ; "Loaded" ) Click to copy

Called by the Levenshtein function to load the first column of the first dimension, and the first row of the second dimension.

(See lines 7-10 of the pseudo-code in the pages referenced in the Levenshtein function description.)

Note: Best viewed in a large text space, for formatting purposes.

 

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