Jinseong Jeon
31 lines
582 B
Kotlin
Vendored
31 lines
582 B
Kotlin
Vendored
fun foo(): Int {
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val mask: Int = 0x7f
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val x: Int = 0b1010_1010_1010_1010_1010_1010_1010_1010
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val pos = x and mask
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val max = x or mask
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val zebra = x xor mask
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val signed = x shr 2
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val one = x ushr 31
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val zero = x shl 32
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return pos + zero - zebra * signed / one
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}
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fun bar(): Long {
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val mask: Long = 0x7f
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val x: Long = 0x5555555555555555
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val pos = x and mask
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val max = x or mask
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val zebra = x xor mask
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val signed = x shr 2
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val one = x ushr 63
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val zero = x shl 64
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return pos + zero - zebra * signed / one
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}
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