text: /**
  * @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 isArrayLike = require( '@stdlib/assert/is-array-like-object' );
  var isnan = require( '@stdlib/math/base/assert/is-nan' );
  var PINF = require( '@stdlib/constants/math/float64-pinf' );
  var abs = require( '@stdlib/math/base/special/abs' );
  
  
  // MAIN //
  
  /**
  * Returns an accumulator function which incrementally computes minimum and maximum absolute values.
  *
  * @param {ArrayLikeObject} [out] - output array
  * @throws {TypeError} output argument must be array-like
  * @returns {Function} accumulator function
  *
  * @example
  * var accumulator = incrminmaxabs();
  *
  * var mm = accumulator();
  * // returns null
  *
  * mm = accumulator( 2.0 );
  * // returns [ 2.0, 2.0 ]
  *
  * mm = accumulator( -5.0 );
  * // returns [ 2.0, 5.0 ]
  *
  * mm = accumulator( 3.0 );
  * // returns [ 2.0, 5.0 ]
  *
  * mm = accumulator( 5.0 );
  * // returns [ 2.0, 5.0 ]
  *
  * mm = accumulator();
  * // returns [ 2.0, 5.0 ]
  */
  function incrminmaxabs( out ) {
  	var minmax;
  	var min;
  	var max;
  	var FLG;
  	if ( arguments.length === 0 ) {
  		minmax = [ 0.0, 0.0 ];
  	} else {
  		if ( !isArrayLike( out ) ) {
  			throw new TypeError( 'invalid argument. Output argument must be an array-like object. Value: `' + out + '`.' );
  		}
  		minmax = out;
  	}
  	min = PINF;
  	max = 0.0;
  	FLG = false;
  	return accumulator;
  
  	/**
  	* If provided a value, the accumulator function returns updated minimum and maximum absolute values. If not provided a value, the accumulator function returns the current minimum and maximum absolute values.
  	*
  	* @private
  	* @param {number} [x] - input value
  	* @returns {(ArrayLikeObject|null)} output array or null
  	*/
  	function accumulator( x ) {
  		var ax;
  		if ( arguments.length === 0 ) {
  			if ( FLG === false ) {
  				return null;
  			}
  			minmax[ 0 ] = min; // Why? Because we cannot guarantee someone hasn't mutated the output array
  			minmax[ 1 ] = max;
  			return minmax;
  		}
  		FLG = true;
  		if ( isnan( x ) ) {
  			min = x;
  			max = x;
  		} else {
  			ax = abs( x );
  			if ( ax < min ) {
  				min = ax;
  			}
  			if ( ax > max ) {
  				max = ax;
  			}
  		}
  		minmax[ 0 ] = min;
  		minmax[ 1 ] = max;
  		return minmax;
  	}
  }
  
  
  // EXPORTS //
  
  module.exports = incrminmaxabs;
  