logspace.hpp

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#pragma once
 
#include "NumCpp/Core/Enums.hpp"
#include "NumCpp/Core/Internal/StaticAsserts.hpp"
#include "NumCpp/Core/Internal/StlAlgorithms.hpp"
#include "NumCpp/Functions/linspace.hpp"
#include "NumCpp/NdArray.hpp"
#include "NumCpp/Utils/powerf.hpp"
 
namespace nc
{
    //============================================================================
    // Method Description:
    template<typename dtype>
    NdArray<double>
        logspace(dtype start, dtype stop, uint32 num = 50, EndPoint endPoint = EndPoint::YES, double base = 10.)
    {
        STATIC_ASSERT_ARITHMETIC_OR_COMPLEX(dtype);
 
        auto spacedValues = linspace(static_cast<double>(start), static_cast<double>(stop), num, endPoint);
        stl_algorithms::for_each(spacedValues.begin(),
                                 spacedValues.end(),
                                 [base](auto& value) -> void { value = utils::powerf(base, value); });
 
        return spacedValues;
    }
} // namespace nc