Skip to content

Fix Segtree constructor #4

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 1 commit into from
Oct 22, 2023
Merged

Fix Segtree constructor #4

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
17 changes: 7 additions & 10 deletions src/main/scala/io/github/acl4s/Segtree.scala
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -5,11 +5,11 @@ import scala.reflect.ClassTag
import io.github.acl4s.internal.{ceilPow2, rightOpenInterval}

final case class Segtree[T](
n: Int,
size: Int,
log: Int,
d: Array[T]
)(using m: Monoid[T]) {
n: Int
)(using m: Monoid[T], tag: ClassTag[T]) {
val log: Int = ceilPow2(n)
val size: Int = 1 << log
val d: Array[T] = Array.fill(2 * size)(m.e())

private val _1_to_log = 1 to log

Expand Down Expand Up @@ -118,11 +118,8 @@ final case class Segtree[T](

object Segtree {

def apply[T](n: Int)(using m: Monoid[T], tag: ClassTag[T]): Segtree[T] = {
val log = ceilPow2(n)
val size = 1 << log
val d = Array.fill(2 * size)(m.e())
new Segtree(n, size, log, d)
def apply[T](n: Int)(using Monoid[T], ClassTag[T]): Segtree[T] = {
new Segtree(n)
}

def apply[T](array: Array[T])(using Monoid[T], ClassTag[T]): Segtree[T] = {
Expand Down