diag.hpp

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#pragma once
 
#include "NumCpp/Core/Types.hpp"
#include "NumCpp/Functions/diagflat.hpp"
#include "NumCpp/Functions/diagonal.hpp"
#include "NumCpp/NdArray.hpp"
 
namespace nc
{
    //============================================================================
    // Method Description:
    template<typename dtype>
    NdArray<dtype> diag(const NdArray<dtype>& inArray, int32 k = 0)
    {
        if (inArray.isflat())
        {
            return diagflat(inArray, k);
        }
 
        return diagonal(inArray, k, Axis::ROW);
    }
} // namespace nc