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 isnan = require( '@stdlib/math-base-assert-is-nan' );
  var isNegativeZero = require( '@stdlib/math-base-assert-is-negative-zero' );
  
  
  // MAIN //
  
  /**
  * Returns an accumulator function which incrementally computes a minimum value.
  *
  * @returns {Function} accumulator function
  *
  * @example
  * var accumulator = incrmin();
  *
  * var min = accumulator();
  * // returns null
  *
  * min = accumulator( 3.14 );
  * // returns 3.14
  *
  * min = accumulator( -5.0 );
  * // returns -5.0
  *
  * min = accumulator( 10.1 );
  * // returns -5.0
  *
  * min = accumulator();
  * // returns -5.0
  */
  function incrmin() {
  	var min;
  	return accumulator;
  
  	/**
  	* If provided a value, the accumulator function returns an updated minimum value. If not provided a value, the accumulator function returns the current min.
  	*
  	* @private
  	* @param {number} [x] - new value
  	* @returns {(number|null)} min value or null
  	*/
  	function accumulator( x ) {
  		if ( arguments.length === 0 ) {
  			return ( min === void 0 ) ? null : min;
  		}
  		if (
  			min === void 0 ||
  			x < min ||
  			isnan( x ) ||
  			( x === min && isNegativeZero( x ) )
  		) {
  			min = x;
  		}
  		return min;
  	}
  }
  
  
  // EXPORTS //
  
  module.exports = incrmin;
  