mirror of
https://github.com/pezkuwichain/pezkuwi-subxt.git
synced 2026-06-11 06:01:06 +00:00
Kian Paimani
0eec4bb795
* part1: Accept inly epsilon better solutions * Fix pre-dispatch check * Fix build * review grumbles * Epsilon -> Threshold
31 lines
975 B
Rust
31 lines
975 B
Rust
// This file is part of Substrate.
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// Copyright (C) 2020 Parity Technologies (UK) Ltd.
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// SPDX-License-Identifier: Apache-2.0
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//! Common fuzzing utils.
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/// converts x into the range [a, b] in a pseudo-fair way.
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pub fn to_range(x: usize, a: usize, b: usize) -> usize {
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// does not work correctly if b < 2 * a
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assert!(b >= 2 * a);
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let collapsed = x % b;
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if collapsed >= a {
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collapsed
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} else {
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collapsed + a
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}
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}
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