Index: Source/WTF/wtf/RandomNumber.cpp |
diff --git a/Source/WTF/wtf/RandomNumber.cpp b/Source/WTF/wtf/RandomNumber.cpp |
deleted file mode 100644 |
index c0974f7350b490b65d93a37387a700a5f367b56e..0000000000000000000000000000000000000000 |
--- a/Source/WTF/wtf/RandomNumber.cpp |
+++ /dev/null |
@@ -1,77 +0,0 @@ |
-/* |
- * Copyright (C) 2006, 2007, 2008 Apple Inc. All rights reserved. |
- * (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/) |
- * Copyright (C) 2013 Andrew Bortz. All rights reserved. |
- * |
- * Redistribution and use in source and binary forms, with or without |
- * modification, are permitted provided that the following conditions |
- * are met: |
- * 1. Redistributions of source code must retain the above copyright |
- * notice, this list of conditions and the following disclaimer. |
- * 2. Redistributions in binary form must reproduce the above copyright |
- * notice, this list of conditions and the following disclaimer in the |
- * documentation and/or other materials provided with the distribution. |
- * |
- * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY |
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR |
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
- * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
- */ |
- |
-#include "config.h" |
-#include "RandomNumber.h" |
- |
-#include "CryptographicallyRandomNumber.h" |
-#include "RandomNumberSeed.h" |
- |
-#include <limits> |
-#include <limits.h> |
-#include <stdint.h> |
-#include <stdlib.h> |
- |
-namespace WTF { |
- |
-#if !USE(OS_RANDOMNESS) |
-namespace Internal { |
- |
-static uint64_t state; |
- |
-void initializeRandomNumber(uint64_t seed) |
-{ |
- state = seed; |
-} |
- |
-// This random number generator comes from: Klimov, A. and Shamir, A., |
-// "A New Class of Invertible Mappings", Cryptographic Hardware and Embedded |
-// Systems 2002, http://dl.acm.org/citation.cfm?id=752741 |
-// |
-// Very fast, very simple, and passes Diehard and other good statistical |
-// tests as strongly as cryptographically-secure random number generators (but |
-// is not itself cryptographically-secure). |
-uint32_t randomNumber() |
-{ |
- state += (state * state) | 5; |
- return static_cast<uint32_t>(state >> 32); |
-} |
- |
-} |
-#endif |
- |
-double randomNumber() |
-{ |
-#if USE(OS_RANDOMNESS) |
- uint32_t bits = cryptographicallyRandomNumber(); |
-#else |
- uint32_t bits = Internal::randomNumber(); |
-#endif |
- return static_cast<double>(bits) / (static_cast<double>(std::numeric_limits<uint32_t>::max()) + 1.0); |
-} |
- |
-} |