var.hpp

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#pragma once
 
#include <algorithm>
#include <complex>
 
#include "NumCpp/Core/Internal/StaticAsserts.hpp"
#include "NumCpp/Functions/stdev.hpp"
#include "NumCpp/NdArray.hpp"
 
namespace nc
{
    //============================================================================
    // Method Description:
    template<typename dtype>
    NdArray<double> var(const NdArray<dtype>& inArray, Axis inAxis = Axis::NONE)
    {
        STATIC_ASSERT_ARITHMETIC(dtype);
 
        NdArray<double> stdValues = stdev(inArray, inAxis);
        const auto      function  = [](double& value) -> void { value *= value; };
 
        stl_algorithms::for_each(stdValues.begin(), stdValues.end(), function);
        return stdValues;
    }
    NdArray<double> var(const NdArray<dtype>& inArray, Axis inAxis = Axis::NONE) {…}
 
    //============================================================================
    // Method Description:
    template<typename dtype>
    NdArray<std::complex<double>> var(const NdArray<std::complex<dtype>>& inArray, Axis inAxis = Axis::NONE)
    {
        STATIC_ASSERT_ARITHMETIC(dtype);
 
        NdArray<std::complex<double>> stdValues = stdev(inArray, inAxis);
        const auto                    function  = [](std::complex<double>& value) -> void { value *= value; };
 
        stl_algorithms::for_each(stdValues.begin(), stdValues.end(), function);
        return stdValues;
    }
    NdArray<std::complex<double>> var(const NdArray<std::complex<dtype>>& inArray, Axis inAxis = Axis::NONE) {…}
} // namespace nc