mirror of
https://github.com/apple/swift.git
synced 2025-12-21 12:14:44 +01:00
45f2cfaaa0
for now. I'll upgrade them to errors in a week or two to give downstream projects a chance to update.
30 lines
1.0 KiB
Objective-C
30 lines
1.0 KiB
Objective-C
//===----------------------------------------------------------------------===//
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//
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// This source file is part of the Swift.org open source project
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//
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// Copyright (c) 2014 - 2016 Apple Inc. and the Swift project authors
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// Licensed under Apache License v2.0 with Runtime Library Exception
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//
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// See http://swift.org/LICENSE.txt for license information
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// See http://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
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//
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//===----------------------------------------------------------------------===//
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// THIS IS JUST TEMPORARY TO AVOID LOCKSTEP ISSUES WITH COREFOUNDATION
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#import <CoreFoundation/CoreFoundation.h>
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#define HASHFACTOR 2654435761U
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CFHashCode __CFHashInt(long i) {
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return ((i > 0) ? (CFHashCode)(i) : (CFHashCode)(-i)) * HASHFACTOR;
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}
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CFHashCode __CFHashDouble(double d) {
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double dInt;
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if (d < 0) d = -d;
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dInt = floor(d+0.5);
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CFHashCode integralHash = HASHFACTOR * (CFHashCode)fmod(dInt, (double)ULONG_MAX);
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return (CFHashCode)(integralHash + (CFHashCode)((d - dInt) * ULONG_MAX));
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}
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