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_T5.js
michael@0:  * @description Multiplication of an infinity by a finite non-zero value results in a signed infinity
michael@0:  */
michael@0: 
michael@0: //CHECK#1
michael@0: if (Number.NEGATIVE_INFINITY * -1 !== Number.POSITIVE_INFINITY) {
michael@0:   $ERROR('#1: -Infinity * -1 === Infinity. Actual: ' + (-Infinity * -1));
michael@0: }
michael@0: 
michael@0: //CHECK#2
michael@0: if (-1 * Number.NEGATIVE_INFINITY !== Number.POSITIVE_INFINITY) {
michael@0:   $ERROR('#2: -1 * -Infinity === Infinity. Actual: ' + (-1 * -Infinity));
michael@0: }
michael@0: 
michael@0: //CHECK#3
michael@0: if (Number.POSITIVE_INFINITY * -1 !== Number.NEGATIVE_INFINITY) {
michael@0:   $ERROR('#3: Infinity * -1 === -Infinity. Actual: ' + (Infinity * -1));
michael@0: }
michael@0: 
michael@0: //CHECK#4
michael@0: if (-1 * Number.POSITIVE_INFINITY !== Number.NEGATIVE_INFINITY) {
michael@0:   $ERROR('#4: -1 * Infinity === -Infinity. Actual: ' + (-1 * Infinity));
michael@0: }  
michael@0: 
michael@0: //CHECK#5
michael@0: if (Number.POSITIVE_INFINITY * Number.MAX_VALUE !== Number.POSITIVE_INFINITY) {
michael@0:   $ERROR('#5: Infinity * Number.MAX_VALUE === Infinity. Actual: ' + (Infinity * Number.MAX_VALUE));
michael@0: }
michael@0: 
michael@0: //CHECK#6
michael@0: if (Number.POSITIVE_INFINITY * Number.MAX_VALUE !== Number.MAX_VALUE * Number.POSITIVE_INFINITY) {
michael@0:   $ERROR('#6: Infinity * Number.MAX_VALUE === Number.MAX_VALUE * Infinity. Actual: ' + (Infinity * Number.MAX_VALUE));
michael@0: }
michael@0: 
michael@0: //CHECK#7
michael@0: if (Number.NEGATIVE_INFINITY * Number.MIN_VALUE !== Number.NEGATIVE_INFINITY) {
michael@0:   $ERROR('#7: -Infinity * Number.MIN_VALUE === -Infinity. Actual: ' + (-Infinity * Number.MIN_VALUE));
michael@0: }
michael@0: 
michael@0: //CHECK#8
michael@0: if (Number.NEGATIVE_INFINITY * Number.MIN_VALUE !== Number.MIN_VALUE * Number.NEGATIVE_INFINITY) {
michael@0:   $ERROR('#8: -Infinity * Number.MIN_VALUE === Number.MIN_VALUE * -Infinity. Actual: ' + (-Infinity * Number.MIN_VALUE));
michael@0: }  
michael@0: