Anonymous user
Balanced ternary: Difference between revisions
→{{header|Kotlin}}: Updated example see https://github.com/dkandalov/rosettacode-kotlin for details
(Added Kotlin) |
(→{{header|Kotlin}}: Updated example see https://github.com/dkandalov/rosettacode-kotlin for details) |
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Line 2,558:
import java.math.BigInteger
val bigZero
val bigOne
val bigThree = BigInteger.valueOf(3L)
data class BTernary(private var value: String) : Comparable<BTernary> {
init {
require(value.all { it in "0+-" }
value = value.trimStart('0')
}
constructor(v: Int) : this(BigInteger.valueOf(v.toLong()))
constructor(v:
▲ value = toBT(v)
}
private fun toBT(v: BigInteger): String {
if (v < bigZero) return flip(toBT(-v))
Line 2,632 ⟶ 2,630:
}
private fun addDigits(a: Char, b: Char): String
when {
a == '0' -> b.toString()
Line 2,643 ⟶ 2,641:
var a = this.value
var b = other.value
val longer
var shorter = if (a.length > b.length) b else a
while (shorter.length < longer.length) shorter = "0" + shorter
Line 2,661 ⟶ 2,659:
operator fun unaryMinus() = BTernary(flip(this.value))
operator fun minus(other: BTernary) = this + (-other)
operator fun times(other: BTernary): BTernary {
var that = other
val one
val zero = BTernary(0)
var mul
var flipFlag = false
if (that < zero) {
Line 2,681 ⟶ 2,679:
if (flipFlag) mul = -mul
return mul
}
override operator fun
this.toBigInteger().compareTo(other.toBigInteger())
override fun toString() = value
}
Line 2,697 ⟶ 2,693:
println("a = ${a.toBigInteger()}")
println("b = ${b.toBigInteger()}")
println("c = ${c.toBigInteger()}")
val bResult = a * (b - c)
val iResult = bResult.toBigInteger()
println("a * (b - c) = $bResult = $iResult")
}</lang>
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