Decimal floating point number to binary: Difference between revisions
Decimal floating point number to binary (view source)
Revision as of 23:36, 4 March 2017
, 7 years agoAdded Kotlin
(Added Elixir) |
(Added Kotlin) |
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Line 477:
10 b2b 2 '1011.11101'
11.90625</lang>
=={{header|Kotlin}}==
<lang scala>// version 1.1.0
fun decToBin(d: Double): String {
val whole = Math.floor(d).toLong()
var binary = whole.toString(2) + "."
var dd = d - whole
while (dd > 0.0) {
val r = dd * 2.0
if (r >= 1.0) {
binary += "1"
dd = r - 1
}
else {
binary += "0"
dd = r
}
}
return binary
}
fun binToDec(s: String): Double {
val num = s.replace(".", "").toLong(2)
val den = ("1" + s.split('.')[1].replace("1", "0")).toLong(2)
return num.toDouble() / den
}
fun main(args: Array<String>) {
val d = 23.34375
println("$d\t => ${decToBin(d)}")
val s = "1011.11101"
println("$s\t => ${binToDec(s)}")
}</lang>
{{out}}
<pre>
23.34375 => 10111.01011
1011.11101 => 11.90625
</pre>
=={{header|LiveCode}}==
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