nanmin.hpp

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#pragma once
 
#include <cmath>
 
#include "NumCpp/Core/DtypeInfo.hpp"
#include "NumCpp/Core/Internal/StaticAsserts.hpp"
#include "NumCpp/Core/Internal/StlAlgorithms.hpp"
#include "NumCpp/Core/Types.hpp"
#include "NumCpp/Functions/min.hpp"
#include "NumCpp/NdArray.hpp"
 
namespace nc
{
    //============================================================================
    // Method Description:
    template<typename dtype>
    NdArray<dtype> nanmin(const NdArray<dtype>& inArray, Axis inAxis = Axis::NONE)
    {
        STATIC_ASSERT_FLOAT(dtype);
 
        NdArray<dtype> arrayCopy(inArray);
        stl_algorithms::for_each(arrayCopy.begin(),
                                 arrayCopy.end(),
                                 [](dtype& value) noexcept -> void
                                 {
                                     if (std::isnan(value))
                                     {
                                         value = DtypeInfo<dtype>::max();
                                     };
                                 });
 
        return min(arrayCopy, inAxis);
    }
} // namespace nc