// Copyright 2014 The Rust Project Developers. See the COPYRIGHT // file at the top-level directory of this distribution and at // http://rust-lang.org/COPYRIGHT. // // Licensed under the Apache License, Version 2.0 or the MIT license // , at your // option. This file may not be copied, modified, or distributed // except according to those terms. #![feature(macro_rules)] use s = std::num::strconv; use to_str = std::num::strconv::float_to_str_common; macro_rules! t(($a:expr, $b:expr) => { { let (r, _) = $a; assert_eq!(r, $b.to_strbuf()) } }) pub fn main() { // Basic usage t!(to_str(1.2345678e-5, 10u, true, s::SignNeg, s::DigMax(6), s::ExpDec, false), "1.234568e-5") // Hexadecimal output t!(to_str(7.281738281250e+01, 16u, true, s::SignAll, s::DigMax(6), s::ExpBin, false), "+1.2345p+6") t!(to_str(-1.777768135071e-02, 16u, true, s::SignAll, s::DigMax(6), s::ExpBin, false), "-1.2345p-6") // Some denormals t!(to_str(4.9406564584124654e-324, 10u, true, s::SignNeg, s::DigMax(6), s::ExpBin, false), "1p-1074") t!(to_str(2.2250738585072009e-308, 10u, true, s::SignNeg, s::DigMax(6), s::ExpBin, false), "1p-1022") }