blob: 1a330ef5fe546fe7c14efbcde03bb6a847d05fb1 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
|
mod strategy {
mod dragon;
mod grisu;
}
use core::num::flt2dec::MAX_SIG_DIGITS;
use core::num::flt2dec::{decode, DecodableFloat, Decoded, FullDecoded};
use std::io::Write;
use std::vec::Vec;
use test::{black_box, Bencher};
pub fn decode_finite<T: DecodableFloat>(v: T) -> Decoded {
match decode(v).1 {
FullDecoded::Finite(decoded) => decoded,
full_decoded => panic!("expected finite, got {full_decoded:?} instead"),
}
}
#[bench]
fn bench_small_shortest(b: &mut Bencher) {
let mut buf = Vec::with_capacity(20);
b.iter(|| {
buf.clear();
write!(black_box(&mut buf), "{}", black_box(3.1415926f64)).unwrap()
});
}
#[bench]
fn bench_big_shortest(b: &mut Bencher) {
let mut buf = Vec::with_capacity(300);
b.iter(|| {
buf.clear();
write!(black_box(&mut buf), "{}", black_box(f64::MAX)).unwrap()
});
}
|
