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When the user has no relearning steps, synthesize the value

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This commit is contained in:
Damien Elmes 2023-10-03 13:50:02 +10:00
parent 41bddfc6cb
commit 3636c7c90e
1 changed files with 6 additions and 4 deletions
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10
rslib/src/scheduler/fsrs/retention.rs
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@ -174,10 +174,12 @@ impl Collection {
}
let mut arr = [0.0; 5];
for (review_kind, group) in group_sec_by_review_kind.iter().enumerate() {
if group.is_empty() && review_kind == RevlogReviewKind::Relearning as usize {
return Err(AnkiError::FsrsInsufficientData);
}
let average_secs = group.iter().sum::<u32>() as f64 / group.len() as f64 / 1000.0;
let average_secs =
if group.is_empty() && review_kind == RevlogReviewKind::Relearning as usize {
30.0
} else {
group.iter().sum::<u32>() as f64 / group.len() as f64 / 1000.0
};
arr[review_kind] = average_secs
}
arr