lexical_write_float/
api.rs

1//! Implements the algorithm in terms of the lexical API.
2
3#![doc(hidden)]
4
5#[cfg(feature = "f16")]
6use lexical_util::bf16::bf16;
7#[cfg(feature = "f16")]
8use lexical_util::f16::f16;
9use lexical_util::format::STANDARD;
10use lexical_util::{to_lexical, to_lexical_with_options};
11
12use crate::options::Options;
13use crate::write::WriteFloat;
14
15// API
16
17const DEFAULT_OPTIONS: Options = Options::new();
18
19// Implement `ToLexical` for numeric type.
20macro_rules! float_to_lexical {
21    ($($t:tt ; )*) => ($(
22        impl ToLexical for $t {
23            #[cfg_attr(not(feature = "compact"), inline)]
24            fn to_lexical(self, bytes: &mut [u8])
25                -> &mut [u8]
26            {
27                let count = self.write_float::<{ STANDARD }>(bytes, &DEFAULT_OPTIONS);
28                &mut bytes[..count]
29            }
30        }
31
32        impl ToLexicalWithOptions for $t {
33            type Options = Options;
34            #[cfg_attr(not(feature = "compact"), inline)]
35            fn to_lexical_with_options<'a, const FORMAT: u128>(
36                self,
37                bytes: &'a mut [u8],
38                options: &Self::Options,
39            ) -> &'a mut [u8]
40            {
41                let count = self.write_float::<{ FORMAT }>(bytes, &options);
42                &mut bytes[..count]
43            }
44        }
45    )*)
46}
47
48to_lexical! {}
49to_lexical_with_options! {}
50float_to_lexical! {
51    f32 ;
52    f64 ;
53}
54#[cfg(feature = "f16")]
55float_to_lexical! {
56    f16 ;
57    bf16 ;
58}
lexical_write_float/api.rs

lexical_write_float/
api.rs
