github.com/rohankumardubey/aresdb@v0.0.2-0.20190517170215-e54e3ca06b9c/query/measure_transform.cu (about)

     1  //  Copyright (c) 2017-2018 Uber Technologies, Inc.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  #include <algorithm>
    16  #include "query/transform.hpp"
    17  
    18  namespace ares {
    19  
    20  template<int NInput, typename FunctorType>
    21  int OutputVectorBinder<NInput, FunctorType>::transformMeasureOutput(
    22      MeasureOutputVector output) {
    23    switch (output.DataType) {
    24      #define BIND_MEASURE_OUTPUT(dataType) \
    25      return transform( \
    26            ares::make_measure_output_iterator( \
    27                reinterpret_cast<dataType *>(output.Values), \
    28                indexVector, baseCounts, \
    29                output.AggFunc));
    30  
    31      case Int32:BIND_MEASURE_OUTPUT(int32_t)
    32      case Uint32:BIND_MEASURE_OUTPUT(uint32_t)
    33      case Float32:BIND_MEASURE_OUTPUT(float_t)
    34      case Int64:BIND_MEASURE_OUTPUT(int64_t)
    35      case Float64:BIND_MEASURE_OUTPUT(double_t)
    36      default:throw
    37        std::invalid_argument(
    38            "Unsupported data type for MeasureOutput");
    39    }
    40  }
    41  
    42  // explicit instantiations.
    43  template int OutputVectorBinder<1,
    44                                  UnaryFunctorType>::transformMeasureOutput(
    45      MeasureOutputVector output);
    46  
    47  template int OutputVectorBinder<2,
    48                                  BinaryFunctorType>::transformMeasureOutput(
    49      MeasureOutputVector output);
    50  
    51  }  // namespace ares