From c2b08675ed8e4d8e0e1b613c4794c924e563d2af Mon Sep 17 00:00:00 2001
From: Nuutti Kotivuori <naked@iki.fi>
Date: Sat, 14 Oct 2023 18:48:27 +0000
Subject: [PATCH] Add alternative `next_date` and `prev_date` benches

---
 benches/compare.rs | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/benches/compare.rs b/benches/compare.rs
index 981d11a..96a7116 100644
--- a/benches/compare.rs
+++ b/benches/compare.rs
@@ -143,6 +143,17 @@ mod datealgo_alt {
         ((day as u32 + (13 * mm - 1) / 5 + yy + yy / 4 - yy / 100 + yy / 400 + 6) % 7 + 1) as u8
     }
 
+    #[inline]
+    pub const fn next_date((y, m, d): (i32, u8, u8)) -> (i32, u8, u8) {
+        let rd = datealgo::date_to_rd((y, m, d));
+        datealgo::rd_to_date(rd + 1)
+    }
+
+    #[inline]
+    pub const fn prev_date((y, m, d): (i32, u8, u8)) -> (i32, u8, u8) {
+        let rd = datealgo::date_to_rd((y, m, d));
+        datealgo::rd_to_date(rd - 1)
+    }
     #[inline]
     pub const fn is_leap_year(y: i32) -> bool {
         y % 4 == 0 && (y % 100 != 0 || y % 400 == 0)
@@ -897,6 +908,9 @@ fn bench_next_date(c: &mut Criterion) {
     group.bench_function("datealgo", |b| {
         b.iter_custom(bencher(rand_date, |d| datealgo::next_date(black_box(d))))
     });
+    group.bench_function("datealgo_alt", |b| {
+        b.iter_custom(bencher(rand_date, |d| datealgo_alt::next_date(black_box(d))))
+    });
     group.bench_function("chrono", |b| {
         b.iter_custom(bencher(chrono::rand_date, |d| chrono::next_date(black_box(d))))
     });
@@ -911,6 +925,9 @@ fn bench_prev_date(c: &mut Criterion) {
     group.bench_function("datealgo", |b| {
         b.iter_custom(bencher(rand_date, |d| datealgo::prev_date(black_box(d))))
     });
+    group.bench_function("datealgo_alt", |b| {
+        b.iter_custom(bencher(rand_date, |d| datealgo_alt::prev_date(black_box(d))))
+    });
     group.bench_function("chrono", |b| {
         b.iter_custom(bencher(chrono::rand_date, |d| chrono::prev_date(black_box(d))))
     });