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Rename NonNativeFieldVar -> EmulatedFpVar (#135)

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This commit is contained in:
Pratyush Mishra
2023-12-28 13:14:08 -05:00
committed by GitHub
parent 1ff3a902bd
commit ed2d55e6ff
18 changed files with 666 additions and 737 deletions
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74
benches/bench.rs
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@@ -2,7 +2,7 @@ use ark_ff::PrimeField;
use ark_r1cs_std::{
alloc::AllocVar,
eq::EqGadget,
fields::{nonnative::NonNativeFieldVar, FieldVar},
fields::{emulated_fp::EmulatedFpVar, FieldVar},
};
use ark_relations::{
ns,
@@ -26,20 +26,18 @@ fn get_density<BaseField: PrimeField>(cs: &ConstraintSystemRef<BaseField>) -> us
}
}
fn allocation<TargetField: PrimeField, BaseField: PrimeField, R: RngCore>(
fn allocation<TargetF: PrimeField, BaseField: PrimeField, R: RngCore>(
cs: ConstraintSystemRef<BaseField>,
rng: &mut R,
) -> (usize, usize) {
let a_native = TargetField::rand(rng);
let a_native = TargetF::rand(rng);
let constraints_before = cs.num_constraints();
let nonzeros_before = get_density(&cs);
// There will be a check that ensures it has the reasonable number of bits
let _ = NonNativeFieldVar::<TargetField, BaseField>::new_witness(ns!(cs, "alloc a"), || {
Ok(a_native)
})
.unwrap();
let _ = EmulatedFpVar::<TargetF, BaseField>::new_witness(ns!(cs, "alloc a"), || Ok(a_native))
.unwrap();
let constraints_after = cs.num_constraints();
let nonzeros_after = get_density(&cs);
@@ -50,21 +48,17 @@ fn allocation<TargetField: PrimeField, BaseField: PrimeField, R: RngCore>(
);
}
fn addition<TargetField: PrimeField, BaseField: PrimeField, R: RngCore>(
fn addition<TargetF: PrimeField, BaseField: PrimeField, R: RngCore>(
cs: ConstraintSystemRef<BaseField>,
rng: &mut R,
) -> (usize, usize) {
let a_native = TargetField::rand(rng);
let a = NonNativeFieldVar::<TargetField, BaseField>::new_witness(ns!(cs, "alloc a"), || {
Ok(a_native)
})
.unwrap();
let a_native = TargetF::rand(rng);
let a = EmulatedFpVar::<TargetF, BaseField>::new_witness(ns!(cs, "alloc a"), || Ok(a_native))
.unwrap();
let b_native = TargetField::rand(rng);
let b = NonNativeFieldVar::<TargetField, BaseField>::new_witness(ns!(cs, "alloc b"), || {
Ok(b_native)
})
.unwrap();
let b_native = TargetF::rand(rng);
let b = EmulatedFpVar::<TargetF, BaseField>::new_witness(ns!(cs, "alloc b"), || Ok(b_native))
.unwrap();
let constraints_before = cs.num_constraints();
let nonzeros_before = get_density(&cs);
@@ -80,19 +74,15 @@ fn addition<TargetField: PrimeField, BaseField: PrimeField, R: RngCore>(
);
}
fn equality<TargetField: PrimeField, BaseField: PrimeField, R: RngCore>(
fn equality<TargetF: PrimeField, BaseField: PrimeField, R: RngCore>(
cs: ConstraintSystemRef<BaseField>,
rng: &mut R,
) -> (usize, usize) {
let a_native = TargetField::rand(rng);
let a1 = NonNativeFieldVar::<TargetField, BaseField>::new_witness(ns!(cs, "alloc a1"), || {
Ok(a_native)
})
.unwrap();
let a2 = NonNativeFieldVar::<TargetField, BaseField>::new_witness(ns!(cs, "alloc a2"), || {
Ok(a_native)
})
.unwrap();
let a_native = TargetF::rand(rng);
let a1 = EmulatedFpVar::<TargetF, BaseField>::new_witness(ns!(cs, "alloc a1"), || Ok(a_native))
.unwrap();
let a2 = EmulatedFpVar::<TargetF, BaseField>::new_witness(ns!(cs, "alloc a2"), || Ok(a_native))
.unwrap();
let constraints_before = cs.num_constraints();
let nonzeros_before = get_density(&cs);
@@ -108,21 +98,17 @@ fn equality<TargetField: PrimeField, BaseField: PrimeField, R: RngCore>(
);
}
fn multiplication<TargetField: PrimeField, BaseField: PrimeField, R: RngCore>(
fn multiplication<TargetF: PrimeField, BaseField: PrimeField, R: RngCore>(
cs: ConstraintSystemRef<BaseField>,
rng: &mut R,
) -> (usize, usize) {
let a_native = TargetField::rand(rng);
let a = NonNativeFieldVar::<TargetField, BaseField>::new_witness(ns!(cs, "initial a"), || {
Ok(a_native)
})
.unwrap();
let a_native = TargetF::rand(rng);
let a = EmulatedFpVar::<TargetF, BaseField>::new_witness(ns!(cs, "initial a"), || Ok(a_native))
.unwrap();
let b_native = TargetField::rand(rng);
let b = NonNativeFieldVar::<TargetField, BaseField>::new_witness(ns!(cs, "initial b"), || {
Ok(b_native)
})
.unwrap();
let b_native = TargetF::rand(rng);
let b = EmulatedFpVar::<TargetF, BaseField>::new_witness(ns!(cs, "initial b"), || Ok(b_native))
.unwrap();
let constraints_before = cs.num_constraints();
let nonzeros_before = get_density(&cs);
@@ -138,15 +124,13 @@ fn multiplication<TargetField: PrimeField, BaseField: PrimeField, R: RngCore>(
);
}
fn inverse<TargetField: PrimeField, BaseField: PrimeField, R: RngCore>(
fn inverse<TargetF: PrimeField, BaseField: PrimeField, R: RngCore>(
cs: ConstraintSystemRef<BaseField>,
rng: &mut R,
) -> (usize, usize) {
let num_native = TargetField::rand(rng);
let num = NonNativeFieldVar::<TargetField, BaseField>::new_witness(ns!(cs, "alloc"), || {
Ok(num_native)
})
.unwrap();
let num_native = TargetF::rand(rng);
let num = EmulatedFpVar::<TargetF, BaseField>::new_witness(ns!(cs, "alloc"), || Ok(num_native))
.unwrap();
let constraints_before = cs.num_constraints();
let nonzeros_before = get_density(&cs);