fromstring.hpp

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#pragma once
 
#include <sstream>
#include <string_view>
 
#include "NumCpp/NdArray.hpp"
 
namespace nc
{
    //============================================================================
    // Method Description:
    template<typename dtype>
    NdArray<dtype> fromstring(const std::string& inStr, const char inSep = ' ')
    {
        STATIC_ASSERT_ARITHMETIC(dtype);
 
        std::istringstream inputStream(inStr);
        auto               values = std::vector<dtype>{};
        dtype              value{};
        for (std::string segment; std::getline(inputStream, segment, inSep);)
        {
            if (!inputStream.fail())
            {
                std::istringstream segmentStream(segment);
                while (segmentStream >> value)
                {
                    if (!inputStream.fail())
                    {
                        values.push_back(value);
                    }
                }
            }
        }
 
        return NdArray<dtype>(values);
    }
} // namespace nc