|
1 // Copyright 2009 the Sputnik authors. All rights reserved. |
|
2 // This code is governed by the BSD license found in the LICENSE file. |
|
3 |
|
4 /** |
|
5 * The result of a floating-point multiplication is governed by the rules of IEEE 754 double-precision arithmetics |
|
6 * |
|
7 * @path ch11/11.5/11.5.1/S11.5.1_A4_T8.js |
|
8 * @description Multiplication is not always associative (x * y * z is the same as (x * y) * z, not x * (y * z)) |
|
9 */ |
|
10 |
|
11 //CHECK#1 |
|
12 if (Number.MAX_VALUE * 1.1 * 0.9 !== (Number.MAX_VALUE * 1.1) * 0.9) { |
|
13 $ERROR('#1: Number.MAX_VALUE * 1.1 * 0.9 === (Number.MAX_VALUE * 1.1) * 0.9. Actual: ' + (Number.MAX_VALUE * 1.1 * 0.9)); |
|
14 } |
|
15 |
|
16 //CHECK#2 |
|
17 if ((Number.MAX_VALUE * 1.1) * 0.9 === Number.MAX_VALUE * (1.1 * 0.9)) { |
|
18 $ERROR('#2: (Number.MAX_VALUE * 1.1) * 0.9 !== Number.MAX_VALUE * (1.1 * 0.9)'); |
|
19 } |
|
20 |