| // 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::cast_possible_wrap, |
| clippy::cast_possible_wrap, |
| clippy::cast_sign_loss, |
| clippy::checked_conversions, |
| clippy::float_cmp, |
| clippy::manual_range_contains, |
| clippy::similar_names, |
| clippy::too_many_lines, |
| clippy::unreadable_literal, |
| clippy::unseparated_literal_suffix, |
| clippy::wildcard_imports |
| )] |
| |
| #[path = "../src/common.rs"] |
| mod common; |
| |
| #[cfg(not(feature = "small"))] |
| #[path = "../src/d2s_full_table.rs"] |
| mod d2s_full_table; |
| |
| #[path = "../src/d2s_intrinsics.rs"] |
| mod d2s_intrinsics; |
| |
| #[cfg(feature = "small")] |
| #[path = "../src/d2s_small_table.rs"] |
| mod d2s_small_table; |
| |
| #[path = "../src/d2s.rs"] |
| mod d2s; |
| |
| #[path = "../src/f2s_intrinsics.rs"] |
| mod f2s_intrinsics; |
| |
| #[path = "../src/f2s.rs"] |
| mod f2s; |
| |
| #[path = "../src/s2f.rs"] |
| mod s2f; |
| |
| #[path = "../src/parse.rs"] |
| mod parse; |
| |
| use crate::parse::Error; |
| use crate::s2f::s2f; |
| |
| impl PartialEq for Error { |
| fn eq(&self, other: &Self) -> bool { |
| *self as u8 == *other as u8 |
| } |
| } |
| |
| #[test] |
| fn test_basic() { |
| assert_eq!(0.0, s2f(b"0").unwrap()); |
| assert_eq!(-0.0, s2f(b"-0").unwrap()); |
| assert_eq!(1.0, s2f(b"1").unwrap()); |
| assert_eq!(-1.0, s2f(b"-1").unwrap()); |
| assert_eq!(123456792.0, s2f(b"123456789").unwrap()); |
| assert_eq!(299792448.0, s2f(b"299792458").unwrap()); |
| } |
| |
| #[test] |
| fn test_min_max() { |
| assert_eq!(1e-45, s2f(b"1e-45").unwrap()); |
| assert_eq!(f32::MIN_POSITIVE, s2f(b"1.1754944e-38").unwrap()); |
| assert_eq!(f32::MAX, s2f(b"3.4028235e+38").unwrap()); |
| } |
| |
| #[test] |
| fn test_mantissa_rounding_overflow() { |
| assert_eq!(1.0, s2f(b"0.999999999").unwrap()); |
| assert_eq!(f32::INFINITY, s2f(b"3.4028236e+38").unwrap()); |
| assert_eq!(1.1754944e-38, s2f(b"1.17549430e-38").unwrap()); // FLT_MIN |
| assert_eq!(1.1754944e-38, s2f(b"1.17549431e-38").unwrap()); |
| assert_eq!(1.1754944e-38, s2f(b"1.17549432e-38").unwrap()); |
| assert_eq!(1.1754944e-38, s2f(b"1.17549433e-38").unwrap()); |
| assert_eq!(1.1754944e-38, s2f(b"1.17549434e-38").unwrap()); |
| assert_eq!(1.1754944e-38, s2f(b"1.17549435e-38").unwrap()); |
| } |
| |
| #[test] |
| fn test_trailing_zeros() { |
| assert_eq!(26843550.0, s2f(b"26843549.5").unwrap()); |
| assert_eq!(50000004.0, s2f(b"50000002.5").unwrap()); |
| assert_eq!(99999992.0, s2f(b"99999989.5").unwrap()); |
| } |