michael@0: // Copyright 2009 the Sputnik authors.  All rights reserved.
michael@0: // This code is governed by the BSD license found in the LICENSE file.
michael@0: 
michael@0: /**
michael@0:  * The result of an addition is determined using the rules of IEEE 754 double-precision arithmetics
michael@0:  *
michael@0:  * @path ch11/11.6/11.6.1/S11.6.1_A4_T2.js
michael@0:  * @description The sum of two infinities of opposite sign is NaN
michael@0:  */
michael@0: 
michael@0: //CHECK#1
michael@0: if (isNaN(Number.POSITIVE_INFINITY + Number.NEGATIVE_INFINITY) !== true ) {
michael@0:   $ERROR('#1: Infinity + -Infinity === Not-a-Number. Actual: ' + (Infinity + -Infinity));
michael@0: }
michael@0: 
michael@0: //CHECK#2
michael@0: if (isNaN(Number.NEGATIVE_INFINITY + Number.POSITIVE_INFINITY) !== true ) {
michael@0:   $ERROR('#2: -Infinity + Infinity === Not-a-Number. Actual: ' + (-Infinity + Infinity));
michael@0: }
michael@0: 
michael@0: 
michael@0: 
michael@0: