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26 lines
698 B
Go
26 lines
698 B
Go
// Copyright 2019 The LevelDB-Go and Pebble Authors. All rights reserved. Use
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// of this source code is governed by a BSD-style license that can be found in
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// the LICENSE file.
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package randvar
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import "golang.org/x/exp/rand"
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// Static models a random variable that pulls from a distribution with static
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// bounds
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type Static interface {
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Uint64(rng *rand.Rand) uint64
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}
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// Dynamic models a random variable that pulls from a distribution with an
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// upper bound that can change dynamically using the IncMax method.
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type Dynamic interface {
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Static
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// Increment the max value the variable will return.
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IncMax(delta int)
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// Read the current max value the variable will return.
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Max() uint64
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}
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