Changed `log…` of ’Logarithm.swift’ be implemented in terms of `logInPlace`
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@ -23,27 +23,17 @@ import Accelerate
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// MARK: - Base-e Logarithm
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/// - Warning: does not support memory stride (assumes stride is 1).
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public func log<X: UnsafeMemoryAccessible>(_ x: X) -> [Float] where X.Element == Float {
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return x.withUnsafeMemory { xm in
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precondition(xm.stride == 1, "\(#function) does not support strided memory access")
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var results = [Float](x)
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results.withUnsafeMutableBufferPointer { rbp in
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vvlogf(rbp.baseAddress!, xm.pointer, [numericCast(xm.count)])
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}
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return results
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}
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public func log<L: UnsafeMemoryAccessible>(_ lhs: L) -> [Float] where L.Element == Float {
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var results = Array(lhs)
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logInPlace(&results)
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return results
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}
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/// - Warning: does not support memory stride (assumes stride is 1).
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public func log<X: UnsafeMemoryAccessible>(_ x: X) -> [Double] where X.Element == Double {
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return x.withUnsafeMemory { xm in
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precondition(xm.stride == 1, "\(#function) does not support strided memory access")
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var results = [Double](x)
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results.withUnsafeMutableBufferPointer { rbp in
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vvlog(rbp.baseAddress!, xm.pointer, [numericCast(xm.count)])
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}
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return results
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}
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public func log<L: UnsafeMemoryAccessible>(_ lhs: L) -> [Double] where L.Element == Double {
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var results = Array(lhs)
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logInPlace(&results)
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return results
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}
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// MARK: - Base-e Logarithm: In Place
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