From 1b6a04ca5504955c571d1c97504fb45ea0befee4 Mon Sep 17 00:00:00 2001 From: Valentin Popov Date: Mon, 8 Jan 2024 01:21:28 +0400 Subject: Initial vendor packages Signed-off-by: Valentin Popov --- vendor/ryu/tests/d2s_intrinsics_test.rs | 72 +++++++++++++++++++++++++++++++++ 1 file changed, 72 insertions(+) create mode 100644 vendor/ryu/tests/d2s_intrinsics_test.rs (limited to 'vendor/ryu/tests/d2s_intrinsics_test.rs') diff --git a/vendor/ryu/tests/d2s_intrinsics_test.rs b/vendor/ryu/tests/d2s_intrinsics_test.rs new file mode 100644 index 0000000..0ac80c9 --- /dev/null +++ b/vendor/ryu/tests/d2s_intrinsics_test.rs @@ -0,0 +1,72 @@ +// Translated from C to Rust. The original C code can be found at +// https://github.com/ulfjack/ryu and carries the following license: +// +// Copyright 2018 Ulf Adams +// +// The contents of this file may be used under the terms of the Apache License, +// Version 2.0. +// +// (See accompanying file LICENSE-Apache or copy at +// http://www.apache.org/licenses/LICENSE-2.0) +// +// Alternatively, the contents of this file may be used under the terms of +// the Boost Software License, Version 1.0. +// (See accompanying file LICENSE-Boost or copy at +// https://www.boost.org/LICENSE_1_0.txt) +// +// Unless required by applicable law or agreed to in writing, this software +// is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY +// KIND, either express or implied. + +#![allow(dead_code)] +#![allow( + clippy::cast_lossless, + clippy::cast_possible_truncation, + clippy::unreadable_literal +)] + +#[path = "../src/d2s_intrinsics.rs"] +mod d2s_intrinsics; + +use d2s_intrinsics::pow5_factor; + +#[test] +fn test_pow5_factor() { + assert_eq!(0, pow5_factor(1)); + assert_eq!(0, pow5_factor(2)); + assert_eq!(0, pow5_factor(3)); + assert_eq!(0, pow5_factor(4)); + assert_eq!(1, pow5_factor(5)); + assert_eq!(0, pow5_factor(6)); + assert_eq!(0, pow5_factor(7)); + assert_eq!(0, pow5_factor(8)); + assert_eq!(0, pow5_factor(9)); + assert_eq!(1, pow5_factor(10)); + + assert_eq!(0, pow5_factor(12)); + assert_eq!(0, pow5_factor(14)); + assert_eq!(0, pow5_factor(16)); + assert_eq!(0, pow5_factor(18)); + assert_eq!(1, pow5_factor(20)); + + assert_eq!(2, pow5_factor(5 * 5)); + assert_eq!(3, pow5_factor(5 * 5 * 5)); + assert_eq!(4, pow5_factor(5 * 5 * 5 * 5)); + assert_eq!(5, pow5_factor(5 * 5 * 5 * 5 * 5)); + assert_eq!(6, pow5_factor(5 * 5 * 5 * 5 * 5 * 5)); + assert_eq!(7, pow5_factor(5 * 5 * 5 * 5 * 5 * 5 * 5)); + assert_eq!(8, pow5_factor(5 * 5 * 5 * 5 * 5 * 5 * 5 * 5)); + assert_eq!(9, pow5_factor(5 * 5 * 5 * 5 * 5 * 5 * 5 * 5 * 5)); + assert_eq!(10, pow5_factor(5 * 5 * 5 * 5 * 5 * 5 * 5 * 5 * 5 * 5)); + + assert_eq!(0, pow5_factor(42)); + assert_eq!(1, pow5_factor(42 * 5)); + assert_eq!(2, pow5_factor(42 * 5 * 5)); + assert_eq!(3, pow5_factor(42 * 5 * 5 * 5)); + assert_eq!(4, pow5_factor(42 * 5 * 5 * 5 * 5)); + assert_eq!(5, pow5_factor(42 * 5 * 5 * 5 * 5 * 5)); + + assert_eq!(27, pow5_factor(7450580596923828125)); // 5^27, largest power of 5 < 2^64. + assert_eq!(1, pow5_factor(18446744073709551615)); // 2^64 - 1, largest multiple of 5 < 2^64. + assert_eq!(0, pow5_factor(18446744073709551614)); // 2^64 - 2, largest non-multiple of 5 < 2^64. +} -- cgit v1.2.3