June 2018 Update

This commit is contained in:
Ingy döt Net 2018-06-22 20:57:24 +00:00
parent ba8067c3b7
commit 22f33d4004
5278 changed files with 84726 additions and 14379 deletions

View file

@ -0,0 +1,13 @@
object SafeAddition extends App {
val (a, b) = (1.2, 0.03)
val result = safeAdd(a, b)
private def safeAdd(a: Double, b: Double) = Seq(stepDown(a + b), stepUp(a + b))
private def stepDown(d: Double) = Math.nextAfter(d, Double.NegativeInfinity)
private def stepUp(d: Double) = Math.nextUp(d)
println(f"($a%.2f + $b%.2f) is in the range ${result.head}%.16f .. ${result.last}%.16f")
}