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Simplify a few "if" structures

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This commit is contained in:
François Garillot
2019-12-02 07:30:54 -08:00
committed by Pratyush Mishra
parent 53a51eb4dc
commit b42d5f8d36
5 changed files with 10 additions and 12 deletions
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2
r1cs-std/src/bits/boolean.rs
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@@ -201,7 +201,7 @@ impl AllocatedBit {
impl PartialEq for AllocatedBit {
fn eq(&self, other: &Self) -> bool {
!self.value.is_none() && !other.value.is_none() && self.value == other.value
self.value.is_some() && other.value.is_some() && self.value == other.value
}
}

2
r1cs-std/src/bits/uint32.rs
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@@ -312,7 +312,7 @@ impl<ConstraintF: Field> ToBytesGadget<ConstraintF> for UInt32 {
impl PartialEq for UInt32 {
fn eq(&self, other: &Self) -> bool {
!self.value.is_none() && !other.value.is_none() && self.value == other.value
self.value.is_some() && other.value.is_some() && self.value == other.value
}
}

2
r1cs-std/src/bits/uint8.rs
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@@ -183,7 +183,7 @@ impl UInt8 {
impl PartialEq for UInt8 {
fn eq(&self, other: &Self) -> bool {
!self.value.is_none() && !other.value.is_none() && self.value == other.value
self.value.is_some() && other.value.is_some() && self.value == other.value
}
}

2
r1cs-std/src/fields/fp.rs
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@@ -275,7 +275,7 @@ impl<F: PrimeField> FieldGadget<F, F> for FpGadget<F> {
impl<F: PrimeField> PartialEq for FpGadget<F> {
fn eq(&self, other: &Self) -> bool {
!self.value.is_none() && !other.value.is_none() && self.value == other.value
self.value.is_some() && other.value.is_some() && self.value == other.value
}
}

14
r1cs-std/src/groups/curves/twisted_edwards/mod.rs
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@@ -58,15 +58,13 @@ mod montgomery_affine_impl {
) -> Result<(P::BaseField, P::BaseField), SynthesisError> {
let montgomery_point: GroupAffine<P> = if p.y == P::BaseField::one() {
GroupAffine::zero()
} else if p.x == P::BaseField::zero() {
GroupAffine::new(P::BaseField::zero(), P::BaseField::zero())
} else {
if p.x == P::BaseField::zero() {
GroupAffine::new(P::BaseField::zero(), P::BaseField::zero())
} else {
let u = (P::BaseField::one() + &p.y)
* &(P::BaseField::one() - &p.y).inverse().unwrap();
let v = u * &p.x.inverse().unwrap();
GroupAffine::new(u, v)
}
let u = (P::BaseField::one() + &p.y)
* &(P::BaseField::one() - &p.y).inverse().unwrap();
let v = u * &p.x.inverse().unwrap();
GroupAffine::new(u, v)
};
Ok((montgomery_point.x, montgomery_point.y))