allclose.hpp

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#pragma once
 
#include <cmath>
#include <string>
 
#include "NumCpp/Core/Internal/Error.hpp"
#include "NumCpp/Core/Internal/StaticAsserts.hpp"
#include "NumCpp/Functions/abs.hpp"
#include "NumCpp/Functions/all.hpp"
#include "NumCpp/NdArray.hpp"
 
namespace nc
{
    //============================================================================
    // Method Description:
    template<typename dtype>
    bool allclose(const NdArray<dtype>& inArray1, const NdArray<dtype>& inArray2, double inTolerance = 1e-5)
    {
        STATIC_ASSERT_ARITHMETIC(dtype);
 
        if (inArray1.shape() != inArray2.shape())
        {
            THROW_INVALID_ARGUMENT_ERROR("input array dimensions are not consistant.");
        }
 
        for (uint32 i = 0; i < inArray1.size(); ++i)
        {
            if (std::abs(inArray1[i] - inArray2[i]) > inTolerance)
            {
                return false;
            }
        }
 
        return true;
    }
} // namespace nc