mirror of
https://github.com/luxfi/lattice.git
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zeekay
eaf864890e
- Update module path to github.com/luxfi/lattice/v7 - Add GPU acceleration with Metal (macOS) and CUDA backends - Enhance threshold FHE operations - Revert to vanilla Apache 2.0 license (remove tfhe) - Update Go version to 1.25.5 - Merge upstream lattigo improvements
37 lines
1.2 KiB
Go
37 lines
1.2 KiB
Go
// Package polynomial implements a homomorphic polynomial evaluator for the BFV/BGV schemes.
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package polynomial
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import (
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"github.com/luxfi/lattice/v7/circuits/common/polynomial"
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"github.com/luxfi/lattice/v7/schemes/bgv"
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"github.com/luxfi/lattice/v7/utils/bignum"
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)
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// Polynomial is a type wrapping the type [polynomial.Polynomial].
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type Polynomial polynomial.Polynomial
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// NewPolynomial creates a new Polynomial from a list of coefficients []T.
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func NewPolynomial[T bgv.Integer](coeffs []T) Polynomial {
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return Polynomial(polynomial.NewPolynomial(bignum.NewPolynomial(bignum.Monomial, coeffs, nil)))
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}
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// PolynomialVector is a type wrapping the type [polynomial.PolynomialVector].
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type PolynomialVector polynomial.PolynomialVector
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// Depth returns the depth of the target [PolynomialVector].
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func (p PolynomialVector) Depth() int {
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return p.Value[0].Depth()
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}
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func NewPolynomialVector[T bgv.Integer](polys [][]T, mapping map[int][]int) (PolynomialVector, error) {
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ps := make([]bignum.Polynomial, len(polys))
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for i := range ps {
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ps[i] = bignum.NewPolynomial(bignum.Monomial, polys[i], nil)
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}
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p, err := polynomial.NewPolynomialVector(ps, mapping)
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return PolynomialVector(p), err
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}
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