From cfc6bc6548f3680844727098cddd62eb5a3be44d Mon Sep 17 00:00:00 2001
From: Damien Elmes <gpg@ankiweb.net>
Date: Fri, 8 Dec 2023 13:54:31 +1000
Subject: [PATCH] Update FSRS for new default weights

---
 Cargo.lock                               |  2 +-
 Cargo.toml                               |  2 +-
 rslib/src/scheduler/fsrs/memory_state.rs | 10 +++++-----
 3 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/Cargo.lock b/Cargo.lock
index d4158e926..b54c2a9ed 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1813,7 +1813,7 @@ dependencies = [
 [[package]]
 name = "fsrs"
 version = "0.1.0"
-source = "git+https://github.com/open-spaced-repetition/fsrs-rs.git?rev=34570f396c86df857dd149921b9ed91c37993321#34570f396c86df857dd149921b9ed91c37993321"
+source = "git+https://github.com/open-spaced-repetition/fsrs-rs.git?rev=6e5ff8826c507d2f4323f2d73dda785b45f450b4#6e5ff8826c507d2f4323f2d73dda785b45f450b4"
 dependencies = [
  "burn",
  "itertools 0.12.0",
diff --git a/Cargo.toml b/Cargo.toml
index 64f3a23fa..82faf955b 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -36,7 +36,7 @@ rev = "184b2ca50ed39ca43da13f0b830a463861adb9ca"
 
 [workspace.dependencies.fsrs]
 git = "https://github.com/open-spaced-repetition/fsrs-rs.git"
-rev = "34570f396c86df857dd149921b9ed91c37993321"
+rev = "6e5ff8826c507d2f4323f2d73dda785b45f450b4"
 # path = "../../../fsrs-rs"
 
 [workspace.dependencies]
diff --git a/rslib/src/scheduler/fsrs/memory_state.rs b/rslib/src/scheduler/fsrs/memory_state.rs
index dfc3a65cf..4bc541c6f 100644
--- a/rslib/src/scheduler/fsrs/memory_state.rs
+++ b/rslib/src/scheduler/fsrs/memory_state.rs
@@ -342,7 +342,7 @@ mod tests {
             item.starting_state,
             Some(MemoryState {
                 stability: 99.999954,
-                difficulty: 4.46429
+                difficulty: 5.287041,
             })
         );
         let mut card = Card {
@@ -353,8 +353,8 @@ mod tests {
         assert_eq!(
             card.memory_state,
             Some(FsrsMemoryState {
-                stability: 248.58453,
-                difficulty: 4.4689474
+                stability: 248.5813,
+                difficulty: 5.2646275,
             })
         );
         // but if there's only a single revlog entry, we'll fall back on current card
@@ -378,7 +378,7 @@ mod tests {
             card.memory_state,
             Some(FsrsMemoryState {
                 stability: 122.99994,
-                difficulty: 6.5147333
+                difficulty: 7.0797696
             })
         );
         Ok(())
@@ -402,7 +402,7 @@ mod tests {
             Some(
                 MemoryState {
                     stability: 99.999954,
-                    difficulty: 9.692858
+                    difficulty: 9.857409
                 }
                 .into()
             )