// Copyright 2009 the Sputnik authors. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /** * Operator x - y produces the same result as x + (-y) * * @path ch11/11.6/11.6.2/S11.6.2_A4_T7.js * @description The mathematical difference of two nonzero finite values of the same magnitude and same sign is +0 */ //CHECK#1 if (Number.MIN_VALUE - Number.MIN_VALUE !== +0) { $ERROR('#1.1: Number.MIN_VALUE - Number.MIN_VALUE === 0. Actual: ' + (Number.MIN_VALUE - Number.MIN_VALUE)); } else { if (1 / (Number.MIN_VALUE - Number.MIN_VALUE) !== Number.POSITIVE_INFINITY) { $ERROR('#1.2: Number.MIN_VALUE - Number.MIN_VALUE === + 0. Actual: -0'); } } //CHECK#2 if (-Number.MAX_VALUE - -Number.MAX_VALUE !== +0) { $ERROR('#2.2: -Number.MAX_VALUE - -Number.MAX_VALUE === 0. Actual: ' + (-Number.MAX_VALUE - -Number.MAX_VALUE)); } else { if (1 / (-Number.MAX_VALUE - -Number.MAX_VALUE) !== Number.POSITIVE_INFINITY) { $ERROR('#2.1: -Number.MAX_VALUE - -Number.MAX_VALUE === + 0. Actual: -0'); } } //CHECK#3 if (1 / Number.MAX_VALUE - 1 / Number.MAX_VALUE !== +0) { $ERROR('#3.1: 1 / Number.MAX_VALUE - 1 / Number.MAX_VALUE === 0. Actual: ' + (1 / Number.MAX_VALUE - 1 / Number.MAX_VALUE)); } else { if (1 / (1 / Number.MAX_VALUE - 1 / Number.MAX_VALUE) !== Number.POSITIVE_INFINITY) { $ERROR('#3.2: 1 / Number.MAX_VALUE - 1 / Number.MAX_VALUE === + 0. Actual: -0'); } }