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_T7.js michael@0: * @description If the magnitude is too small to represent, the result is then a zero of appropriate sign michael@0: */ michael@0: michael@0: //CHECK#1 michael@0: if (Number.MIN_VALUE * 0.1 !== 0) { michael@0: $ERROR('#1: Number.MIN_VALUE * 0.1 === 0. Actual: ' + (Number.MIN_VALUE * 0.1)); michael@0: } michael@0: michael@0: //CHECK#2 michael@0: if (-0.1 * Number.MIN_VALUE !== -0) { michael@0: $ERROR('#2.1: -0.1 * Number.MIN_VALUE === -0. Actual: ' + (-0.1 * Number.MIN_VALUE)); michael@0: } else { michael@0: if (1 / (-0.1 * Number.MIN_VALUE) !== Number.NEGATIVE_INFINITY) { michael@0: $ERROR('#2.2: -0.1 * Number.MIN_VALUE === -0. Actual: +0'); michael@0: } michael@0: } michael@0: michael@0: //CHECK#3 michael@0: if (Number.MIN_VALUE * 0.5 !== 0) { michael@0: $ERROR('#3: Number.MIN_VALUE * 0.5 === 0. Actual: ' + (Number.MIN_VALUE * 0.5)); michael@0: } michael@0: michael@0: //CHECK#4 michael@0: if (-0.5 * Number.MIN_VALUE !== -0) { michael@0: $ERROR('#4.1: -0.5 * Number.MIN_VALUE === -0. Actual: ' + (-0.5 * Number.MIN_VALUE)); michael@0: } else { michael@0: if (1 / (-0.5 * Number.MIN_VALUE) !== Number.NEGATIVE_INFINITY) { michael@0: $ERROR('#4.2: -0.5 * Number.MIN_VALUE === -0. Actual: +0'); michael@0: } michael@0: } michael@0: michael@0: //CHECK#5 michael@0: if (Number.MIN_VALUE * 0.51 !== Number.MIN_VALUE) { michael@0: $ERROR('#5: Number.MIN_VALUE * 0.51 === Number.MIN_VALUE. Actual: ' + (Number.MIN_VALUE * 0.51)); michael@0: } michael@0: michael@0: //CHECK#6 michael@0: if (-0.51 * Number.MIN_VALUE !== -Number.MIN_VALUE) { michael@0: $ERROR('#6: -0.51 * Number.MIN_VALUE === -Number.MIN_VALUE. Actual: ' + (-0.51 * Number.MIN_VALUE)); michael@0: } michael@0: michael@0: //CHECK#7 michael@0: if (Number.MIN_VALUE * 0.9 !== Number.MIN_VALUE) { michael@0: $ERROR('#7: Number.MIN_VALUE * 0.9 === Number.MIN_VALUE. Actual: ' + (Number.MIN_VALUE * 0.9)); michael@0: } michael@0: michael@0: //CHECK#8 michael@0: if (-0.9 * Number.MIN_VALUE !== -Number.MIN_VALUE) { michael@0: $ERROR('#8: -0.9 * Number.MIN_VALUE === -Number.MIN_VALUE. Actual: ' + (-0.9 * Number.MIN_VALUE)); michael@0: } michael@0: