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Fix: assert uses of size hint in release mode #13

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Merged
jonathanpwang merged 3 commits into from
Apr 15, 2023
Merged

Fix: assert uses of size hint in release mode #13

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2ef4894
feat: update halo2-ecc to v0.3.0
jonathanpwang Feb 10, 2023
e1540cf
feat: remove `size_hint` in `inner_product_simple`
jonathanpwang Feb 10, 2023
6aa0323
Merge branch 'release-0.3.0' into fix/size-hint
jonathanpwang Apr 15, 2023
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22 changes: 10 additions & 12 deletions halo2-base/src/gates/flex_gate.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -290,7 +290,7 @@ pub trait GateInstructions<F: ScalarField> {
return ctx.assign_region_last([start], []);
}
let (len, hi) = a.size_hint();
debug_assert_eq!(Some(len), hi);
assert_eq!(Some(len), hi);

let mut sum = *start.value();
let cells = iter::once(start).chain(a.flat_map(|a| {
Expand Down Expand Up @@ -320,7 +320,7 @@ pub trait GateInstructions<F: ScalarField> {
return Box::new(iter::once(ctx.assign_region_last([start], [])));
}
let (len, hi) = a.size_hint();
debug_assert_eq!(Some(len), hi);
assert_eq!(Some(len), hi);

let mut sum = *start.value();
let cells = iter::once(start).chain(a.flat_map(|a| {
Expand Down Expand Up @@ -532,7 +532,7 @@ pub trait GateInstructions<F: ScalarField> {
let mut sum = F::zero();
let a = a.into_iter();
let (len, hi) = a.size_hint();
debug_assert_eq!(Some(len), hi);
assert_eq!(Some(len), hi);

let cells = std::iter::once(Constant(F::zero())).chain(
a.zip(indicator.into_iter()).flat_map(|(a, ind)| {
Expand All @@ -555,7 +555,7 @@ pub trait GateInstructions<F: ScalarField> {
{
let cells = cells.into_iter();
let (len, hi) = cells.size_hint();
debug_assert_eq!(Some(len), hi);
assert_eq!(Some(len), hi);

let ind = self.idx_to_indicator(ctx, idx, len);
self.select_by_indicator(ctx, cells, ind)
Expand Down Expand Up @@ -706,15 +706,14 @@ impl<F: ScalarField> GateChip<F> {
[a, b, Witness(sum)]
}));

let gate_offsets = if ctx.witness_gen_only() {
vec![]
if ctx.witness_gen_only() {
ctx.assign_region(cells, vec![]);
} else {
let (lo, hi) = cells.size_hint();
debug_assert_eq!(Some(lo), hi);
let cells = cells.collect::<Vec<_>>();
let lo = cells.len();
let len = lo / 3;
(0..len).map(|i| 3 * i as isize).collect()
ctx.assign_region(cells, (0..len).map(|i| 3 * i as isize));
};
ctx.assign_region(cells, gate_offsets);
b_starts_with_one
}
}
Expand Down Expand Up @@ -899,8 +898,7 @@ impl<F: ScalarField> GateInstructions<F> for GateChip<F> {
.iter()
.flat_map(|byte| (0..8).map(|i| (*byte as u64 >> i) & 1))
.map(|x| Witness(F::from(x)))
.take(range_bits)
.collect::<Vec<_>>();
.take(range_bits);

let mut bit_cells = Vec::with_capacity(range_bits);
let row_offset = ctx.advice.len();
Expand Down