Class quantile::detail::TDigest

template<typename RealType, typename IndexType = size_t>
class TDigest

Public Types

template<>
using Memory = CentroidsMemory<RealType, IndexType>

Public Functions

TDigest()

DEVICE TDigest(Memory &mem)

DEVICE TDigest(RealType q, SimpleAllocator *simple_allocator, IndexType buf_allocate, IndexType centroids_allocate)

DEVICE Centroids<RealType, IndexType>& quantile::detail::TDigest::centroids()

DEVICE void quantile::detail::TDigest::add(RealType value)

DEVICE void quantile::detail::TDigest::allocate()

DEVICE void quantile::detail::TDigest::mergeBuffer()

DEVICE void quantile::detail::TDigest::mergeSorted(RealType * sums, IndexType * counts, IndexType size)

DEVICE void quantile::detail::TDigest::mergeTDigest(TDigest & t_digest)

DEVICE RealType quantile::detail::TDigest::quantile(IndexType * buf, RealType const q)

DEVICE RealType quantile::detail::TDigest::quantile(RealType const q)

DEVICE RealType quantile::detail::TDigest::quantile()

DEVICE void quantile::detail::TDigest::setBuffer(Memory & mem)

DEVICE void quantile::detail::TDigest::setCentroids(Memory & mem)

DEVICE void quantile::detail::TDigest::setCentroids(VectorView < RealType > const sums, VectorView < IndexType > const counts)

DEVICE IndexType quantile::detail::TDigest::totalWeight() const

Private Functions

DEVICE RealType quantile::detail::TDigest::max() const

DEVICE RealType quantile::detail::TDigest::min() const

DEVICE IndexType quantile::detail::TDigest::maxCardinality(IndexType const sum, IndexType const total_weight, RealType const c)

DEVICE void quantile::detail::TDigest::mergeCentroids(Centroids < RealType, IndexType > & buf)

DEVICE RealType quantile::detail::TDigest::firstCentroid(RealType const x)

DEVICE RealType quantile::detail::TDigest::interiorCentroid(RealType const x, IndexType const idx1, IndexType const prefix_sum)

DEVICE RealType quantile::detail::TDigest::lastCentroid(RealType const x, IndexType const N)

DEVICE RealType quantile::detail::TDigest::oneCentroid(RealType const x)

DEVICE RealType quantile::detail::TDigest::slope(IndexType const idx1, IndexType const idx2)

Private Members

Centroids<RealType, IndexType> buf_

Centroids<RealType, IndexType> centroids_

bool forward_ = {true}

std::optional<RealType> const q_ = {std::nullopt}

bool const use_linear_scaling_function_ = {false}

SimpleAllocator *const simple_allocator_ = {nullptr}

IndexType const buf_allocate_ = {0}

IndexType const centroids_allocate_ = {0}