Function parse_ppm_header

utils/Utils.cpp:201–230

}

std::tuple<unsigned int, unsigned int, int> parse_ppm_header(std::ifstream &fs)
{
    // Check the PPM magic number is valid
    std::array<char, 2> magic_number{{0}};
    fs >> magic_number[0] >> magic_number[1];
    ARM_COMPUTE_ERROR_ON_MSG(magic_number[0] != 'P' || magic_number[1] != '6', "Invalid file type");
    ARM_COMPUTE_UNUSED(magic_number);

    discard_comments_and_spaces(fs);

    unsigned int width = 0;
    fs >> width;

    discard_comments_and_spaces(fs);

    unsigned int height = 0;
    fs >> height;

    discard_comments_and_spaces(fs);

    int max_val = 0;
    fs >> max_val;

    discard_comments(fs);

    ARM_COMPUTE_ERROR_ON_MSG(isspace(fs.peek()) == 0, "Invalid PPM header");
    fs.ignore(1);

    return std::make_tuple(width, height, max_val);
}

npy::header_t parse_npy_header(std::ifstream &fs) //NOLINT
{