mirror of
https://github.com/pezkuwichain/pezkuwi-subxt.git
synced 2026-06-13 11:41:04 +00:00
Benjamin Kampmann
60 lines
1.6 KiB
Rust
60 lines
1.6 KiB
Rust
// This file is part of Substrate.
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// Copyright (C) 2019-2020 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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//! Minimal fixed point arithmetic primitives and types for runtime.
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#![cfg_attr(not(feature = "std"), no_std)]
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/// Copied from `sp-runtime` and documented there.
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#[macro_export]
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macro_rules! assert_eq_error_rate {
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($x:expr, $y:expr, $error:expr $(,)?) => {
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assert!(
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($x) >= (($y) - ($error)) && ($x) <= (($y) + ($error)),
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"{:?} != {:?} (with error rate {:?})",
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$x,
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$y,
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$error,
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);
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};
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}
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pub mod biguint;
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pub mod helpers_128bit;
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pub mod traits;
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mod per_things;
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mod fixed64;
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mod fixed128;
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mod rational128;
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pub use fixed64::Fixed64;
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pub use fixed128::Fixed128;
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pub use per_things::{PerThing, Percent, PerU16, Permill, Perbill, Perquintill};
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pub use rational128::Rational128;
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#[cfg(test)]
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mod tests {
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use super::*;
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#[test]
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fn peru16_rational_does_not_overflow() {
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// A historical example that will panic only for per_thing type that are created with
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// maximum capacity of their type, e.g. PerU16.
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let _ = PerU16::from_rational_approximation(17424870u32, 17424870);
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}
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}
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