old_contents: /**
  * @license Apache-2.0
  *
  * Copyright (c) 2018 The Stdlib Authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
  *
  *    http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
  
  'use strict';
  
  // MODULES //
  
  var sqrt = require( '@stdlib/math/base/special/sqrt' );
  
  
  // MAIN //
  
  /**
  * Computes the Euclidean distance between two vectors.
  *
  * @private
  * @param {NonNegativeInteger} N - number of elements
  * @param {NumericArray} X - strided array
  * @param {PositiveInteger} strideX - stride
  * @param {NonNegativeInteger} offsetX - index offset
  * @param {NumericArray} Y - strided array
  * @param {PositiveInteger} strideY - stride
  * @param {NonNegativeInteger} offsetY - index offset
  * @returns {number} Euclidean distance
  */
  function euclidean( N, X, strideX, offsetX, Y, strideY, offsetY ) { // TODO: remove and use BLAS implementation
  	var d;
  	var s;
  	var i;
  
  	s = 0.0;
  	for ( i = 0; i < N; i++ ) {
  		d = X[ offsetX + (strideX*i) ] - Y[ offsetY + (strideY*i) ];
  		s += d * d;
  	}
  	return sqrt( s );
  }
  
  
  // EXPORTS //
  
  module.exports = euclidean;
  
new_contents: /**
  * @license Apache-2.0
  *
  * Copyright (c) 2018 The Stdlib Authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
  *
  *    http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
  
  'use strict';
  
  // MODULES //
  
  var sqrt = require( '@stdlib/math/base/special/sqrt' );
  
  
  // MAIN //
  
  /**
  * Computes the Euclidean distance between two vectors.
  *
  * @private
  * @param {NonNegativeInteger} N - number of elements
  * @param {NumericArray} X - strided array
  * @param {PositiveInteger} strideX - stride
  * @param {NonNegativeInteger} offsetX - index offset
  * @param {NumericArray} Y - strided array
  * @param {PositiveInteger} strideY - stride
  * @param {NonNegativeInteger} offsetY - index offset
  * @returns {number} Euclidean distance
  */
  function euclidean( N, X, strideX, offsetX, Y, strideY, offsetY ) { // TODO: remove and use BLAS implementation
  	var xi;
  	var yi;
  	var d;
  	var s;
  	var i;
  
  	xi = offsetX;
  	yi = offsetY;
  	s = 0.0;
  	for ( i = 0; i < N; i++ ) {
  		d = X[ xi ] - Y[ yi ];
  		s += d * d;
  		xi += strideX;
  		yi += strideY;
  	}
  	return sqrt( s );
  }
  
  
  // EXPORTS //
  
  module.exports = euclidean;
  
subject: Replace multiplication with addition