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Reduce some variables

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This commit is contained in:
Vitor Pamplona
2025-12-12 19:41:12 -05:00
parent 286d9c8347
commit 1a63b77a2f
1 changed files with 6 additions and 10 deletions
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quartz/src/commonMain/kotlin/com/vitorpamplona/quartz/nip01Core/hints/bloom/MurmurHash3.kt
+6 -10
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@@ -30,10 +30,6 @@ class MurmurHash3 {
private const val C1_128_X64: Long = -0x783c846eeebdac2bL
private const val C2_128_X64: Long = 0x4cf5ad432745937fL
private const val R1_128_X64: Int = 31
private const val R2_128_X64: Int = 27
private const val R3_128_X64: Int = 33
}
/**
@@ -127,11 +123,11 @@ class MurmurHash3 {
(data[i++].long() shl 56)
) * C2_128_X64
h1 = h1 xor k1.rotateLeft(R1_128_X64) * C2_128_X64
h1 = (h1.rotateLeft(R2_128_X64) + h2) * 5 + 0x52dce729
h1 = h1 xor k1.rotateLeft(31) * C2_128_X64
h1 = (h1.rotateLeft(27) + h2) * 5 + 0x52dce729
h2 = h2 xor k2.rotateLeft(R3_128_X64) * C1_128_X64
h2 = (h2.rotateLeft(R1_128_X64) + h1) * 5 + 0x38495ab5
h2 = h2 xor k2.rotateLeft(33) * C1_128_X64
h2 = (h2.rotateLeft(31) + h1) * 5 + 0x38495ab5
}
val rem = data.size - roundedEnd
@@ -159,7 +155,7 @@ class MurmurHash3 {
}
if (rem >= 9) {
k2 = k2 or data[roundedEnd + 8].long()
h2 = h2 xor (k2 * C2_128_X64).rotateLeft(R3_128_X64) * C1_128_X64
h2 = h2 xor (k2 * C2_128_X64).rotateLeft(33) * C1_128_X64
}
if (rem >= 8) {
k1 = k1 or (data[roundedEnd + 7].long() shl 56)
@@ -184,7 +180,7 @@ class MurmurHash3 {
}
if (rem >= 1) {
k1 = k1 or data[roundedEnd].long()
h1 = h1 xor (k1 * C1_128_X64).rotateLeft(R1_128_X64) * C2_128_X64
h1 = h1 xor (k1 * C1_128_X64).rotateLeft(31) * C2_128_X64
}
h1 = h1 xor data.size.toLong()