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exduckdb

0.9.0
0.9.0

An Elixir DuckDB library

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exduckdb c_src duckdb src function aggregate algebraic stddev.cpp
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c_src/duckdb/src/function/aggregate/algebraic/stddev.cpp 

#include "duckdb/function/aggregate/algebraic_functions.hpp"

#include "duckdb/common/vector_operations/vector_operations.hpp"

#include "duckdb/function/function_set.hpp"

#include "duckdb/function/aggregate/algebraic/stddev.hpp"

#include <cmath>



namespace duckdb {



void StdDevSampFun::RegisterFunction(BuiltinFunctions &set) {

	AggregateFunctionSet stddev_samp("stddev_samp");

	stddev_samp.AddFunction(AggregateFunction::UnaryAggregate<StddevState, double, double, STDDevSampOperation>(

	    LogicalType::DOUBLE, LogicalType::DOUBLE));

	set.AddFunction(stddev_samp);

	AggregateFunctionSet stddev("stddev");

	stddev.AddFunction(AggregateFunction::UnaryAggregate<StddevState, double, double, STDDevSampOperation>(

	    LogicalType::DOUBLE, LogicalType::DOUBLE));

	set.AddFunction(stddev);

}



void StdDevPopFun::RegisterFunction(BuiltinFunctions &set) {

	AggregateFunctionSet stddev_pop("stddev_pop");

	stddev_pop.AddFunction(AggregateFunction::UnaryAggregate<StddevState, double, double, STDDevPopOperation>(

	    LogicalType::DOUBLE, LogicalType::DOUBLE));

	set.AddFunction(stddev_pop);

}



void VarPopFun::RegisterFunction(BuiltinFunctions &set) {

	AggregateFunctionSet var_pop("var_pop");

	var_pop.AddFunction(AggregateFunction::UnaryAggregate<StddevState, double, double, VarPopOperation>(

	    LogicalType::DOUBLE, LogicalType::DOUBLE));

	set.AddFunction(var_pop);

}



void VarSampFun::RegisterFunction(BuiltinFunctions &set) {

	AggregateFunctionSet var_samp("var_samp");

	var_samp.AddFunction(AggregateFunction::UnaryAggregate<StddevState, double, double, VarSampOperation>(

	    LogicalType::DOUBLE, LogicalType::DOUBLE));

	set.AddFunction(var_samp);

}

void VarianceFun::RegisterFunction(BuiltinFunctions &set) {

	AggregateFunctionSet var_samp("variance");

	var_samp.AddFunction(AggregateFunction::UnaryAggregate<StddevState, double, double, VarSampOperation>(

	    LogicalType::DOUBLE, LogicalType::DOUBLE));

	set.AddFunction(var_samp);

}



} // namespace duckdb