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 a floating-point multiplication is governed by the rules of IEEE 754 double-precision arithmetics
michael@0:  *
michael@0:  * @path ch11/11.5/11.5.1/S11.5.1_A4_T3.js
michael@0:  * @description Multiplication of an infinity by a zero results in NaN
michael@0:  */
michael@0: 
michael@0: //CHECK#1
michael@0: if (isNaN(Number.NEGATIVE_INFINITY * 0) !== true) {
michael@0:   $ERROR('#1: Infinity * 0 === Not-a-Number. Actual: ' + (Infinity * 0));
michael@0: }
michael@0: 
michael@0: //CHECK#2
michael@0: if (isNaN(-0 * Number.NEGATIVE_INFINITY) !== true) {
michael@0:   $ERROR('#2: -0 * -Infinity === Not-a-Number. Actual: ' + (-0 * -Infinity));
michael@0: }
michael@0: 
michael@0: //CHECK#3
michael@0: if (isNaN(Number.POSITIVE_INFINITY * -0) !== true) {
michael@0:   $ERROR('#3: Infinity * -0 === Not-a-Number. Actual: ' + (Infinity * -0));
michael@0: }
michael@0: 
michael@0: //CHECK#4
michael@0: if (isNaN(0 * Number.POSITIVE_INFINITY) !== true) {
michael@0:   $ERROR('#4: 0 * Infinity === Not-a-Number. Actual: ' + (0 * Infinity));
michael@0: }
michael@0: 
michael@0: //CHECK#5
michael@0: if (isNaN(Number.NEGATIVE_INFINITY * -0) !== true) {
michael@0:   $ERROR('#5: Infinity * -0 === Not-a-Number. Actual: ' + (Infinity * -0));
michael@0: }
michael@0: 
michael@0: //CHECK#6
michael@0: if (isNaN(0 * Number.NEGATIVE_INFINITY) !== true) {
michael@0:   $ERROR('#6: 0 * -Infinity === Not-a-Number. Actual: ' + (0 * -Infinity));
michael@0: }
michael@0: 
michael@0: //CHECK#7
michael@0: if (isNaN(Number.POSITIVE_INFINITY * 0) !== true) {
michael@0:   $ERROR('#7: Infinity * 0 === Not-a-Number. Actual: ' + (Infinity * 0));
michael@0: }
michael@0: 
michael@0: //CHECK#8
michael@0: if (isNaN(-0 * Number.POSITIVE_INFINITY) !== true) {
michael@0:   $ERROR('#8: -0 * Infinity === Not-a-Number. Actual: ' + (-0 * Infinity));
michael@0: }
michael@0: