ConvertToLUT.h

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#ifndef L1Trigger_L1TCommon_l1t_ConvertToLUT
#define L1Trigger_L1TCommon_l1t_ConvertToLUT

#include <vector>
#include <sstream>
#include "CondFormats/L1TObjects/interface/LUT.h"

namespace l1t {

l1t::LUT convertToLUT(const std::vector<uint64_t> &v, int padding=-1) noexcept {

    unsigned int addrWidth = ( 32 - __builtin_clz( uint32_t(v.size()-1) ) );
    std::stringstream oss;
    oss << "#<header> V1 " << addrWidth << " 31 </header> " << std::endl; // hardcode 32 bits for data
    for(unsigned int i=0; i<v.size(); i++) oss << i << " " << v[i] << std::endl;
    // add padding to 2^addrWidth rows
    if( padding >=0 )
        for(unsigned int i=v.size(); i<(size_t)(1<<addrWidth); i++)
            oss << i << " " << padding << std::endl;

    l1t::LUT lut;
    lut.read(oss);

    return lut;
}

l1t::LUT convertToLUT(const std::vector<char> &v, int padding=-1) noexcept {
    return convertToLUT(std::vector<uint64_t>(v.begin(),v.end()), padding);
}
l1t::LUT convertToLUT(const std::vector<short> &v, int padding=-1) noexcept {
    return convertToLUT(std::vector<uint64_t>(v.begin(),v.end()), padding);
}
l1t::LUT convertToLUT(const std::vector<int> &v, int padding=-1) noexcept {
    return convertToLUT(std::vector<uint64_t>(v.begin(),v.end()), padding);
}
l1t::LUT convertToLUT(const std::vector<long> &v, int padding=-1) noexcept {
    return convertToLUT(std::vector<uint64_t>(v.begin(),v.end()), padding);
}
l1t::LUT convertToLUT(const std::vector<long long> &v, int padding=-1) noexcept {
    return convertToLUT(std::vector<uint64_t>(v.begin(),v.end()), padding);
}
l1t::LUT convertToLUT(const std::vector<unsigned char> &v, int padding=-1) noexcept {
    return convertToLUT(std::vector<uint64_t>(v.begin(),v.end()), padding);
}
l1t::LUT convertToLUT(const std::vector<unsigned short> &v, int padding=-1) noexcept {
    return convertToLUT(std::vector<uint64_t>(v.begin(),v.end()), padding);
}
l1t::LUT convertToLUT(const std::vector<unsigned int> &v, int padding=-1) noexcept {
    return convertToLUT(std::vector<uint64_t>(v.begin(),v.end()), padding);
}
}

#endif