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some progress

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This commit is contained in:
Nicholas Ward 2021-06-30 21:31:17 -07:00
parent 80758da0f4
commit cad7dc6904
1 changed files with 17 additions and 2 deletions
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19
src/gadgets/insert.rs
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@ -2,11 +2,26 @@ use crate::circuit_builder::CircuitBuilder;
use crate::field::extension_field::target::ExtensionTarget;
use crate::field::extension_field::Extendable;
use crate::target::Target;
use crate::generator::EqualityGenerator;
impl<F: Extendable<D>, const D: usize> CircuitBuilder<F, D> {
/// Evaluates to 1 if `x` equals zero, 0 otherwise.
pub fn is_zero(&mut self, x: Target) -> Target {
let m = todo!();
let y = todo!();
self.add_generator(EqualityGenerator {
x,
m,
y,
});
y
}
/// Evaluates to 1 if `x` and `y` are equal, 0 otherwise.
pub fn is_equal(&mut self, _x: Target, _y: Target) -> Target {
todo!()
pub fn is_equal(&mut self, x: Target, y: Target) -> Target {
self.is_zero(self.sub(x, y))
}
/// Inserts a `Target` in a vector at a non-deterministic index. This is done by rotating to the