static public EncryptedSealBfvVector DenseMatrixBySparseVectorMultiply(EncryptedSealBfvVector[] denses, EncryptedSealBfvVector sparse, EncryptedSealBfvEnvironment env)
{
var res = new EncryptedSealBfvVector()
{
Scale = denses[0].Scale * sparse.Scale,
eVectors = denses[0].ForEveryEncryptedVector(i => AtomicSealBfvEncryptedVector.DenseMatrixBySparseVectorMultiplyTask(denses.Select(d => d.eVectors[i]).ToArray(), sparse.eVectors[i], env.Environments[i]))
};
return(res);
}
static public EncryptedSealBfvVector Stack(EncryptedSealBfvVector[] vecs, EncryptedSealBfvEnvironment env)
{
var res = new EncryptedSealBfvVector()
{
eVectors = vecs[0].ForEveryEncryptedVector(i => AtomicSealBfvEncryptedVector.StackTask(vecs.Select(v => v.eVectors[i]).ToArray(), env.Environments[i])),
Scale = vecs[0].Scale
};
return(res);
}
public EncryptedSealBfvVector(IEnumerable <BigInteger> v, IComputationEnvironment env, bool EncryptData = true, EVectorFormat Format = EVectorFormat.dense)
{
this.Scale = Scale;
var leenv = env as EncryptedSealBfvEnvironment;
var splits = SplitBigNumbers(v, leenv);
eVectors = new AtomicSealBfvEncryptedVector[leenv.Environments.Length];
Parallel.For(0, eVectors.Length, i =>
{
eVectors[i] = new AtomicSealBfvEncryptedVector(splits[i], leenv.Environments[i], Scale: 1, SignedNumbers: false, EncryptData: EncryptData, Format: Format);
});
}
public static IVector GenerateSpareOfArray(IVector[] SparseVectors, IComputationEnvironment env)
{
var lenv = env as EncryptedSealBfvEnvironment;
var res = new EncryptedSealBfvVector()
{
Scale = SparseVectors[0].Scale,
eVectors = new AtomicSealBfvEncryptedVector[((EncryptedSealBfvVector)(SparseVectors[0])).eVectors.Length]
};
for (int i = 0; i < res.eVectors.Length; i++)
{
res.eVectors[i] = AtomicSealBfvEncryptedVector.GenerateSparseOfArray(SparseVectors.Select(v => ((EncryptedSealBfvVector)v).eVectors[i]).ToArray(), lenv.Environments[i]);
}
return(res);
}
public static EncryptedSealBfvVector Read(StreamReader str, EncryptedSealBfvEnvironment env)
{
var vct = new EncryptedSealBfvVector();
var line = str.ReadLine();
if (line != "<Start LargeEncryptedVector>")
{
throw new Exception("Bad stream format.");
}
vct.Scale = double.Parse(str.ReadLine());
vct.eVectors = new AtomicSealBfvEncryptedVector[int.Parse(str.ReadLine())];
for (int i = 0; i < vct.eVectors.Length; i++)
{
vct.eVectors[i] = AtomicSealBfvEncryptedVector.Read(str, env.Environments[i]);
}
line = str.ReadLine();
if (line != "<End LargeEncryptedVector>")
{
throw new Exception("Bad stream format.");
}
return(vct);
}
