29 lines
878 B
Rust
29 lines
878 B
Rust
use core::f32::consts::PI;
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use criterion::{black_box, criterion_group, criterion_main, Criterion};
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use dsp::{atan2, cossin};
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fn atan2_bench(c: &mut Criterion) {
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let xi = (10 << 16) as i32;
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let xf = xi as f32 / i32::MAX as f32;
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let yi = (-26_328 << 16) as i32;
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let yf = yi as f32 / i32::MAX as f32;
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c.bench_function("atan2(y, x)", |b| {
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b.iter(|| atan2(black_box(yi), black_box(xi)))
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});
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c.bench_function("y.atan2(x)", |b| {
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b.iter(|| black_box(yf).atan2(black_box(xf)))
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});
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}
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fn cossin_bench(c: &mut Criterion) {
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let zi = -0x7304_2531_i32;
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let zf = zi as f32 / i32::MAX as f32 * PI;
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c.bench_function("cossin(zi)", |b| b.iter(|| cossin(black_box(zi))));
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c.bench_function("zf.sin_cos()", |b| b.iter(|| black_box(zf).sin_cos()));
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}
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criterion_group!(benches, atan2_bench, cossin_bench);
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criterion_main!(benches);
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