minimum.hpp

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#pragma once
 
#include <cmath>
#include <complex>
#include <string>
 
#include "NumCpp/Core/Internal/Error.hpp"
#include "NumCpp/Core/Internal/StaticAsserts.hpp"
#include "NumCpp/Core/Internal/StlAlgorithms.hpp"
#include "NumCpp/NdArray.hpp"
#include "NumCpp/NdArray/NdArrayBroadcast.hpp"
 
namespace nc
{
    //============================================================================
    // Method Description:
    template<typename dtype>
    NdArray<dtype> minimum(const NdArray<dtype>& inArray1, const NdArray<dtype>& inArray2)
    {
        STATIC_ASSERT_ARITHMETIC_OR_COMPLEX(dtype);
 
        const auto comparitor = [](const dtype& lhs, const dtype& rhs) noexcept -> bool { return lhs < rhs; };
        return broadcast::broadcaster<dtype>(inArray1,
                                             inArray2,
                                             [&comparitor](const dtype& value1, const dtype& value2)
                                             { return std::min(value1, value2, comparitor); });
    }
 
    //============================================================================
    // Method Description:
    template<typename dtype>
    NdArray<dtype> minimum(const NdArray<dtype>& inArray, const dtype& inScalar)
    {
        const NdArray<dtype> inArray2 = { inScalar };
        return minimum(inArray, inArray2);
    }
 
    //============================================================================
    // Method Description:
    template<typename dtype>
    NdArray<dtype> minimum(const dtype& inScalar, const NdArray<dtype>& inArray)
    {
        return minimum(inArray, inScalar);
    }
} // namespace nc