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131 lines (101 loc) 路 2.72 KB
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const Big = require("./big.min.js")
let Infinite = (value) => new InfiniteObject(value)
class InfiniteObject {
constructor(value) {
this.value = Big(value)
}
[Symbol.for("+")](rightOperand) {
if (typeof rightOperand.value != "undefined")
return Infinite(this.value.plus(rightOperand.value))
return Infinite(this.value.plus(Big(rightOperand)))
}
[Symbol.for("-")](rightOperand) {
if (typeof rightOperand.value != "undefined")
return Infinite(this.value.minus(rightOperand.value))
return Infinite(this.value.minus(Big(rightOperand)))
}
[Symbol.for("*")](rightOperand) {
if (typeof rightOperand.value != "undefined")
return Infinite(this.value.mul(rightOperand.value))
return Infinite(this.value.mul(Big(rightOperand)))
}
[Symbol.for("/")](rightOperand) {
if (typeof rightOperand.value != "undefined")
return Infinite(this.value.div(rightOperand.value))
return Infinite(this.value.div(Big(rightOperand)))
}
[Symbol.for("%")](rightOperand) {
if (typeof rightOperand.value != "undefined")
return Infinite(this.value.mod(rightOperand.value))
return Infinite(this.value.mod(Big(rightOperand)))
}
[Symbol.for("**")](rightOperand) {
return Infinite(this.value.pow(Number(rightOperand)))
}
[Symbol.for(">")](rightOperand) {
return this.value.gt(rightOperand.value)
}
[Symbol.for(">=")](rightOperand) {
return this.value.gte(rightOperand.value)
}
[Symbol.for("<")](rightOperand) {
return this.value.lt(rightOperand.value)
}
[Symbol.for("<=")](rightOperand) {
return this.value.lte(rightOperand.value)
}
[Symbol.for("==")](rightOperand) {
return this.value.eq(rightOperand.value)
}
[Symbol.for("!=")](rightOperand) {
return !this.value.eq(rightOperand.value)
}
[Symbol.for("===")](rightOperand) {
if (typeof rightOperand.value == "undefined") return false
return this.value.eq(rightOperand.value)
}
[Symbol.for("!==")](rightOperand) {
if (typeof rightOperand.value == "undefined") return false
return !this.value.eq(rightOperand.value)
}
abs() {
return Infinite(this.value.abs())
}
sqrt() {
return Infinite(this.value.sqrt())
}
pow(value) {
return Infinite(this.value.pow(value))
}
times(value) {
return Infinite(this.value.times(value))
}
round(dp=0) {
return Infinite(this.value.round(dp))
}
floor(dp=0) {
return Infinite(this.value.round(dp, 0))
}
ceil(dp=0) {
return Infinite(this.value.round(dp, 3))
}
toString() {
return String(this.value)
}
toNumber() {
return Number(this.value)
}
toBig() {
return Big(this.value)
}
toExponential(value) {
return this.value.toExponential(value)
}
toFixed(value) {
return this.value.toFixed(value)
}
toPrecision(value) {
return this.value.toPrecision(value)
}
}
module.exports = Infinite