#

# Licensed to the Apache Software Foundation (ASF) under one or more

# contributor license agreements. See the NOTICE file distributed with

# this work for additional information regarding copyright ownership.

# The ASF licenses this file to You under the Apache License, Version 2.0

# (the "License"); you may not use this file except in compliance with

# the License. You may obtain a copy of the License at

#

# http://www.apache.org/licenses/LICENSE-2.0

#

# Unless required by applicable law or agreed to in writing, software

# distributed under the License is distributed on an "AS IS" BASIS,

# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

# See the License for the specific language governing permissions and

# limitations under the License.

#

cimport cython

from libc.stdint cimport int64_t, INT64_MIN, INT64_MAX

cdef double _NEG_INF, _POS_INF, _NAN

cdef class CountAccumulator(object):

cdef readonly int64_t value

cpdef add_input(self, unused_element)

@cython.locals(accumulator=CountAccumulator)

cpdef merge(self, accumulators)

cdef class SumInt64Accumulator(object):

cdef readonly int64_t value

cpdef add_input(self, int64_t element)

@cython.locals(accumulator=SumInt64Accumulator)

cpdef merge(self, accumulators)

cdef class MinInt64Accumulator(object):

cdef readonly int64_t value

cpdef add_input(self, int64_t element)

@cython.locals(accumulator=MinInt64Accumulator)

cpdef merge(self, accumulators)

cdef class MaxInt64Accumulator(object):

cdef readonly int64_t value

cpdef add_input(self, int64_t element)

@cython.locals(accumulator=MaxInt64Accumulator)

cpdef merge(self, accumulators)

cdef class MeanInt64Accumulator(object):

cdef readonly int64_t sum

cdef readonly int64_t count

cpdef add_input(self, int64_t element)

@cython.locals(accumulator=MeanInt64Accumulator)

cpdef merge(self, accumulators)

cdef class DistributionInt64Accumulator(object):

cdef readonly int64_t sum

cdef readonly int64_t count

cdef readonly int64_t min

cdef readonly int64_t max

cpdef add_input(self, int64_t element)

@cython.locals(accumulator=DistributionInt64Accumulator)

cpdef merge(self, accumulators)

cdef class SumDoubleAccumulator(object):

cdef readonly double value

cpdef add_input(self, double element)

@cython.locals(accumulator=SumDoubleAccumulator)

cpdef merge(self, accumulators)

cdef class MinDoubleAccumulator(object):

cdef readonly double value

cpdef add_input(self, double element)

@cython.locals(accumulator=MinDoubleAccumulator)

cpdef merge(self, accumulators)

cdef class MaxDoubleAccumulator(object):

cdef readonly double value

cpdef add_input(self, double element)

@cython.locals(accumulator=MaxDoubleAccumulator)

cpdef merge(self, accumulators)

cdef class MeanDoubleAccumulator(object):

cdef readonly double sum

cdef readonly int64_t count

cpdef add_input(self, double element)

@cython.locals(accumulator=MeanDoubleAccumulator)

cpdef merge(self, accumulators)

cdef class AllAccumulator(object):

cdef readonly bint value

cpdef add_input(self, bint element)

@cython.locals(accumulator=AllAccumulator)

cpdef merge(self, accumulators)

cdef class AnyAccumulator(object):

cdef readonly bint value

cpdef add_input(self, bint element)

@cython.locals(accumulator=AnyAccumulator)

cpdef merge(self, accumulators)

cdef class ComparableValue(object):

cdef readonly object value, _less_than_fn, _comparable_value

cdef readonly bint requires_hydration

cpdef hydrate(self, object less_than_fn, object key_fn)