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// Translated from C to Rust. The original C code can be found at
//
// 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
//
// 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
//
// 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());
}