base/rand_util.h - Issue 6883102: Add one-time randomization support for FieldTrial, and the ability to

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Unified Diff: base/rand_util.h

Issue 6883102: Add one-time randomization support for FieldTrial, and the ability to (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src

Patch Set: Responding to review comments. Fix initialization in browser_main. Created 9 years, 8 months ago

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Index: base/rand_util.h

diff --git a/base/rand_util.h b/base/rand_util.h

index a4ea479e334edad7d181e5b4e27da46744deed11..a4ecf57efc89995d9afa42c7e82b5a96fbc0cc69 100644

--- a/base/rand_util.h

+++ b/base/rand_util.h

@@ -27,6 +27,10 @@ BASE_API uint64 RandGenerator(uint64 max);

// Returns a random double in range [0, 1). Thread-safe.

BASE_API double RandDouble();

+// Given input |bits|, convert with maximum precision to a rand-like

+// double, i.e. in the range [0, 1). Thread-safe.

+BASE_API double BitsToOpenEndedUnitInterval(uint64 bits);

} // namespace base

#endif // BASE_RAND_UTIL_H_