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Finally fix the encodeKey function
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jedlimlx committed May 29, 2024
1 parent abe09e1 commit 2998c47
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Showing 3 changed files with 10 additions and 16 deletions.
19 changes: 7 additions & 12 deletions src/commonMain/kotlin/search/cfind/CFind.kt
Original file line number Diff line number Diff line change
Expand Up @@ -1600,7 +1600,7 @@ class CFind(
key += rule.equivalentStates[rows[it + coordinate, 0, node, depth]] * power
power *= numEquivalentStates
}

return key
} else {
val len = reversedBaseCoordinate.size
Expand All @@ -1609,11 +1609,7 @@ class CFind(
(1 shl (minOf(len * spacing + start, width * spacing - 1) / spacing)) - 1
) shl maxOf(start / spacing, 0)

var output = reverseDigits(
if (start > 0) (node.cells and mask) shr (start / spacing)
else (node.cells and mask),
length=minOf(len * spacing + start, width * spacing - 1)
)
var output = (node.cells and mask) shr maxOf(start / spacing, 0)

// Now, consider the symmetries
if (coordinate.x + lastBaseCoordinate.x > width) {
Expand Down Expand Up @@ -1642,14 +1638,13 @@ class CFind(
}
}

val power = if (symmetry == ShipSymmetry.GUTTER)
minOf(len * spacing + start, width * spacing - 1) + 1
else minOf(len * spacing + start, width * spacing - 1)
val power = if (symmetry == ShipSymmetry.GUTTER) -start + 1 else -start

val mask = ((1 shl ((end2 - start2) / spacing + 1)) - 1) shl maxOf(start2 / spacing, 0)
output += (node.cells and mask) shl (power - start2 / spacing)

//println("$start $len $start2 $end2 $power ${output.toString(2)} ${((node.cells and mask) shl power).toString(2)}")
output = (output shl power) + reverseDigits(
(node.cells and mask) shr maxOf(start2 / spacing, 0),
length=-start
)
}

return output
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2 changes: 1 addition & 1 deletion src/commonTest/kotlin/search/CFindTest.kt
Original file line number Diff line number Diff line change
Expand Up @@ -12,7 +12,7 @@ import kotlin.test.Ignore
import kotlin.test.Test
import kotlin.test.assertEquals

//@Ignore
@Ignore
// TODO almost everything is broken pls fix
class Test {
private val searchStrategies = listOf(SearchStrategy.HYBRID_BFS, SearchStrategy.PRIORITY_QUEUE)
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5 changes: 2 additions & 3 deletions src/jvmMain/kotlin/Main.jvm.kt
Original file line number Diff line number Diff line change
Expand Up @@ -142,9 +142,8 @@ actual fun main() {
// )
// R2,C2,S6-9,B7-8,NM
val search = CFind(
HROT("R2,C2,S2-3,B3,N@891891"), 2, 1, 6, ShipSymmetry.ODD,
verbosity = 1, searchStrategy = SearchStrategy.HYBRID_BFS, numShips = 1,
lookaheadDepth = 2
HROTGenerations("023/2/3"), 2, 1, 17, ShipSymmetry.ODD,
verbosity = 1, searchStrategy = SearchStrategy.HYBRID_BFS, lookaheadDepth = 3
//numThreads = 8, direction = Coordinate(1, 1), lookaheadDepth = 3
)

Expand Down

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