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					26 lines
				
				664 B
			
		
		
			
		
	
	
					26 lines
				
				664 B
			| 
											3 years ago
										 | // 20.2.2.17 Math.hypot([value1[, value2[, … ]]])
 | ||
|  | var $export = require('./_export'); | ||
|  | var abs = Math.abs; | ||
|  | 
 | ||
|  | $export($export.S, 'Math', { | ||
|  |   hypot: function hypot(value1, value2) { // eslint-disable-line no-unused-vars
 | ||
|  |     var sum = 0; | ||
|  |     var i = 0; | ||
|  |     var aLen = arguments.length; | ||
|  |     var larg = 0; | ||
|  |     var arg, div; | ||
|  |     while (i < aLen) { | ||
|  |       arg = abs(arguments[i++]); | ||
|  |       if (larg < arg) { | ||
|  |         div = larg / arg; | ||
|  |         sum = sum * div * div + 1; | ||
|  |         larg = arg; | ||
|  |       } else if (arg > 0) { | ||
|  |         div = arg / larg; | ||
|  |         sum += div * div; | ||
|  |       } else sum += arg; | ||
|  |     } | ||
|  |     return larg === Infinity ? Infinity : larg * Math.sqrt(sum); | ||
|  |   } | ||
|  | }); |