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Shallowcopy everything in bootstrapping

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This commit is contained in:
lehugueni
2024-09-03 17:37:04 +02:00
parent e9e04b1445
commit e2fa172775
1 changed files with 19 additions and 3 deletions
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22
circuits/ckks/bootstrapping/evaluator.go
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@@ -129,14 +129,30 @@ func NewEvaluator(btpParams Parameters, evk *EvaluationKeys) (eval *Evaluator, e
// Evaluator can be used concurrently.
func (eval Evaluator) ShallowCopy() *Evaluator {
heEvaluator := eval.Evaluator.ShallowCopy()
params := eval.BootstrappingParameters
paramsN1 := eval.ResidualParameters
var DomainSwitcher ckks.DomainSwitcher
if paramsN1.RingType() == ring.ConjugateInvariant {
var err error
if DomainSwitcher, err = ckks.NewDomainSwitcher(eval.Parameters.BootstrappingParameters, eval.EvkCmplxToReal, eval.EvkRealToCmplx); err != nil {
panic(fmt.Errorf("cannot NewBootstrapper: ckks.NewDomainSwitcher: %w", err))
}
}
return &Evaluator{
Parameters: eval.Parameters,
EvaluationKeys: eval.EvaluationKeys,
Mod1Parameters: eval.Mod1Parameters,
S2CDFTMatrix: eval.S2CDFTMatrix,
C2SDFTMatrix: eval.C2SDFTMatrix,
Evaluator: heEvaluator,
DFTEvaluator: dft.NewEvaluator(params, heEvaluator),
Mod1Evaluator: mod1.NewEvaluator(heEvaluator, polynomial.NewEvaluator(params, heEvaluator), eval.Mod1Parameters),
xPow2N1: eval.xPow2N1,
xPow2N2: eval.xPow2N2,
xPow2InvN2: eval.xPow2InvN2,
DomainSwitcher: DomainSwitcher,
DFTEvaluator: dft.NewEvaluator(paramsN1, heEvaluator),
Mod1Evaluator: mod1.NewEvaluator(heEvaluator, polynomial.NewEvaluator(paramsN1, heEvaluator), eval.Mod1Parameters),
SkDebug: eval.SkDebug,
}
}