// Copyright 2009 the Sputnik authors. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /** * The result of a floating-point multiplication is governed by the rules of IEEE 754 double-precision arithmetics * * @path ch11/11.5/11.5.1/S11.5.1_A4_T7.js * @description If the magnitude is too small to represent, the result is then a zero of appropriate sign */ //CHECK#1 if (Number.MIN_VALUE * 0.1 !== 0) { $ERROR('#1: Number.MIN_VALUE * 0.1 === 0. Actual: ' + (Number.MIN_VALUE * 0.1)); } //CHECK#2 if (-0.1 * Number.MIN_VALUE !== -0) { $ERROR('#2.1: -0.1 * Number.MIN_VALUE === -0. Actual: ' + (-0.1 * Number.MIN_VALUE)); } else { if (1 / (-0.1 * Number.MIN_VALUE) !== Number.NEGATIVE_INFINITY) { $ERROR('#2.2: -0.1 * Number.MIN_VALUE === -0. Actual: +0'); } } //CHECK#3 if (Number.MIN_VALUE * 0.5 !== 0) { $ERROR('#3: Number.MIN_VALUE * 0.5 === 0. Actual: ' + (Number.MIN_VALUE * 0.5)); } //CHECK#4 if (-0.5 * Number.MIN_VALUE !== -0) { $ERROR('#4.1: -0.5 * Number.MIN_VALUE === -0. Actual: ' + (-0.5 * Number.MIN_VALUE)); } else { if (1 / (-0.5 * Number.MIN_VALUE) !== Number.NEGATIVE_INFINITY) { $ERROR('#4.2: -0.5 * Number.MIN_VALUE === -0. Actual: +0'); } } //CHECK#5 if (Number.MIN_VALUE * 0.51 !== Number.MIN_VALUE) { $ERROR('#5: Number.MIN_VALUE * 0.51 === Number.MIN_VALUE. Actual: ' + (Number.MIN_VALUE * 0.51)); } //CHECK#6 if (-0.51 * Number.MIN_VALUE !== -Number.MIN_VALUE) { $ERROR('#6: -0.51 * Number.MIN_VALUE === -Number.MIN_VALUE. Actual: ' + (-0.51 * Number.MIN_VALUE)); } //CHECK#7 if (Number.MIN_VALUE * 0.9 !== Number.MIN_VALUE) { $ERROR('#7: Number.MIN_VALUE * 0.9 === Number.MIN_VALUE. Actual: ' + (Number.MIN_VALUE * 0.9)); } //CHECK#8 if (-0.9 * Number.MIN_VALUE !== -Number.MIN_VALUE) { $ERROR('#8: -0.9 * Number.MIN_VALUE === -Number.MIN_VALUE. Actual: ' + (-0.9 * Number.MIN_VALUE)); }