Function scalar_to_option

src/backend/opencl/traits.hpp:83–87

template<typename T>
inline std::string scalar_to_option(const T &val) {
    using namespace arrayfire::common;
    using std::to_string;
    return to_string(+val);
}

template<>
inline std::string scalar_to_option<cl_float2>(const cl_float2 &val) {