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fix to_i64 for modulus u64

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This commit is contained in:
Janmajaya Mall
2024-05-20 13:22:32 +05:30
parent 28216110b2
commit b8fdf4552e
2 changed files with 4 additions and 4 deletions
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6
src/backend.rs
View File

@@ -56,14 +56,14 @@ impl Modulus for u64 {
// 0.0? // 0.0?
let v = v.round(); let v = v.round();
if v < 0.0 { if v < 0.0 {
self - v.to_u64().unwrap() self - v.abs().to_u64().unwrap()
} else { } else {
v.to_u64().unwrap() v.to_u64().unwrap()
} }
} }
fn map_element_from_i64(&self, v: i64) -> Self::Element { fn map_element_from_i64(&self, v: i64) -> Self::Element {
if v < 0 { if v < 0 {
self - v.to_u64().unwrap() self - v.abs().to_u64().unwrap()
} else { } else {
v.to_u64().unwrap() v.to_u64().unwrap()
} }
@@ -171,7 +171,7 @@ impl<T> ModularOpsU64<T> {
debug_assert!(a < self.q); debug_assert!(a < self.q);
debug_assert!(b < self.q); debug_assert!(b < self.q);
if a > b { if a >= b {
a - b a - b
} else { } else {
(self.q + a) - b (self.q + a) - b

2
src/bool/evaluator.rs
View File

@@ -1927,7 +1927,7 @@ mod tests {
let mut bool_evaluator = BoolEvaluator::< let mut bool_evaluator = BoolEvaluator::<
Vec<Vec<u64>>, Vec<Vec<u64>>,
NttBackendU64, NttBackendU64,
WordSizeModulus<CiphertextModulus<u64>>, ModularOpsU64<CiphertextModulus<u64>>,
ModularOpsU64<CiphertextModulus<u64>>, ModularOpsU64<CiphertextModulus<u64>>,
>::new(SP_BOOL_PARAMS); >::new(SP_BOOL_PARAMS);