mirror of
https://github.com/luxfi/lattice.git
synced 2026-09-24 00:25:44 +00:00
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
34 lines
647 B
Go
34 lines
647 B
Go
package rlwe
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import (
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"math"
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"github.com/luxfi/lattice/v7/ring"
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)
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type Distribution struct {
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ring.DistributionParameters
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Std float64
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AbsBound float64
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}
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func NewDistribution(params ring.DistributionParameters, logN int) (d Distribution) {
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d.DistributionParameters = params
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switch params := params.(type) {
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case ring.DiscreteGaussian:
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d.Std = params.Sigma
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d.AbsBound = params.Bound
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case ring.Ternary:
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if params.P != 0 {
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d.Std = math.Sqrt(1 - params.P)
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} else {
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d.Std = math.Sqrt(float64(params.H) / (math.Exp2(float64(logN)) - 1))
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}
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d.AbsBound = 1
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default:
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// Sanity check
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panic("invalid dist")
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}
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return
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}
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