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removed duplicate functions

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Nicholas Ward 2021-06-30 16:58:13 -07:00
parent 77d942f0e9
commit 80758da0f4
1 changed files with 0 additions and 167 deletions
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167
src/field/extension_field/target.rs
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@ -109,173 +109,6 @@ impl<F: Extendable<D>, const D: usize> CircuitBuilder<F, D> {
self.constant_ext_algebra(ExtensionAlgebra::ZERO)
}
pub fn add_extension(
&mut self,
mut a: ExtensionTarget<D>,
b: ExtensionTarget<D>,
) -> ExtensionTarget<D> {
for i in 0..D {
a.0[i] = self.add(a.0[i], b.0[i]);
}
a
}
pub fn add_ext_algebra(
&mut self,
mut a: ExtensionAlgebraTarget<D>,
b: ExtensionAlgebraTarget<D>,
) -> ExtensionAlgebraTarget<D> {
for i in 0..D {
a.0[i] = self.add_extension(a.0[i], b.0[i]);
}
a
}
pub fn add_many_extension(&mut self, terms: &[ExtensionTarget<D>]) -> ExtensionTarget<D> {
let mut sum = self.zero_extension();
for term in terms {
sum = self.add_extension(sum, *term);
}
sum
}
/// TODO: Change this to using an `arithmetic_extension` function once `MulExtensionGate` supports addend.
pub fn sub_extension(
&mut self,
mut a: ExtensionTarget<D>,
b: ExtensionTarget<D>,
) -> ExtensionTarget<D> {
for i in 0..D {
a.0[i] = self.sub(a.0[i], b.0[i]);
}
a
}
pub fn sub_ext_algebra(
&mut self,
mut a: ExtensionAlgebraTarget<D>,
b: ExtensionAlgebraTarget<D>,
) -> ExtensionAlgebraTarget<D> {
for i in 0..D {
a.0[i] = self.sub_extension(a.0[i], b.0[i]);
}
a
}
pub fn mul_extension_with_const(
&mut self,
const_0: F,
multiplicand_0: ExtensionTarget<D>,
multiplicand_1: ExtensionTarget<D>,
) -> ExtensionTarget<D> {
let gate = self.add_gate(MulExtensionGate::new(), vec![const_0]);
let wire_multiplicand_0 =
ExtensionTarget::from_range(gate, MulExtensionGate::<D>::wires_multiplicand_0());
let wire_multiplicand_1 =
ExtensionTarget::from_range(gate, MulExtensionGate::<D>::wires_multiplicand_1());
let wire_output = ExtensionTarget::from_range(gate, MulExtensionGate::<D>::wires_output());
self.route_extension(multiplicand_0, wire_multiplicand_0);
self.route_extension(multiplicand_1, wire_multiplicand_1);
wire_output
}
pub fn mul_extension(
&mut self,
multiplicand_0: ExtensionTarget<D>,
multiplicand_1: ExtensionTarget<D>,
) -> ExtensionTarget<D> {
self.mul_extension_with_const(F::ONE, multiplicand_0, multiplicand_1)
}
pub fn mul_ext_algebra(
&mut self,
a: ExtensionAlgebraTarget<D>,
b: ExtensionAlgebraTarget<D>,
) -> ExtensionAlgebraTarget<D> {
let mut res = [self.zero_extension(); D];
let w = self.constant(F::Extension::W);
for i in 0..D {
for j in 0..D {
let ai_bi = self.mul_extension(a.0[i], b.0[j]);
res[(i + j) % D] = if i + j < D {
self.add_extension(ai_bi, res[(i + j) % D])
} else {
let w_ai_bi = self.scalar_mul_ext(w, ai_bi);
self.add_extension(w_ai_bi, res[(i + j) % D])
}
}
}
ExtensionAlgebraTarget(res)
}
pub fn mul_many_extension(&mut self, terms: &[ExtensionTarget<D>]) -> ExtensionTarget<D> {
let mut product = self.one_extension();
for term in terms {
product = self.mul_extension(product, *term);
}
product
}
/// Like `mul_add`, but for `ExtensionTarget`s. Note that, unlike `mul_add`, this has no
/// performance benefit over separate muls and adds.
/// TODO: Change this to using an `arithmetic_extension` function once `MulExtensionGate` supports addend.
pub fn mul_add_extension(
&mut self,
a: ExtensionTarget<D>,
b: ExtensionTarget<D>,
c: ExtensionTarget<D>,
) -> ExtensionTarget<D> {
let product = self.mul_extension(a, b);
self.add_extension(product, c)
}
/// Like `mul_add`, but for `ExtensionTarget`s. Note that, unlike `mul_add`, this has no
/// performance benefit over separate muls and subs.
/// TODO: Change this to using an `arithmetic_extension` function once `MulExtensionGate` supports addend.
pub fn scalar_mul_add_extension(
&mut self,
a: Target,
b: ExtensionTarget<D>,
c: ExtensionTarget<D>,
) -> ExtensionTarget<D> {
let product = self.scalar_mul_ext(a, b);
self.add_extension(product, c)
}
/// Like `mul_sub`, but for `ExtensionTarget`s. Note that, unlike `mul_sub`, this has no
/// performance benefit over separate muls and subs.
/// TODO: Change this to using an `arithmetic_extension` function once `MulExtensionGate` supports addend.
pub fn scalar_mul_sub_extension(
&mut self,
a: Target,
b: ExtensionTarget<D>,
c: ExtensionTarget<D>,
) -> ExtensionTarget<D> {
let product = self.scalar_mul_ext(a, b);
self.sub_extension(product, c)
}
/// Returns `a * b`, where `b` is in the extension field and `a` is in the base field.
pub fn scalar_mul_ext(&mut self, a: Target, b: ExtensionTarget<D>) -> ExtensionTarget<D> {
let a_ext = self.convert_to_ext(a);
self.mul_extension(a_ext, b)
}
/// Returns `a * b`, where `b` is in the extension of the extension field, and `a` is in the
/// extension field.
pub fn scalar_mul_ext_algebra(
&mut self,
a: ExtensionTarget<D>,
mut b: ExtensionAlgebraTarget<D>,
) -> ExtensionAlgebraTarget<D> {
for i in 0..D {
b.0[i] = self.mul_extension(a, b.0[i]);
}
b
}
pub fn convert_to_ext(&mut self, t: Target) -> ExtensionTarget<D> {
let zero = self.zero();
let mut arr = [zero; D];