void ECLFilesComparator::resultsForKeyword(const std::string keyword) {
    std::cout << "\nKeyword " << keyword << ":\n\n";
    const unsigned int occurrences1 = ecl_file_get_num_named_kw(ecl_file1, keyword.c_str());
    const unsigned int occurrences2 = ecl_file_get_num_named_kw(ecl_file2, keyword.c_str());
    if (occurrences1 != occurrences2) {
        std::cout << "For keyword " << keyword << ":\n";
        OPM_THROW(std::runtime_error, "Number of keyword occurrences are not equal.");
    }
    if (!keywordValidForComparing(keyword)) {
        return;
    }
    for (unsigned int occurence = 0; occurence < occurrences1; ++occurence) {
        deviationsForOccurence(keyword, occurence);
    }
    printResultsForKeyword(keyword);
    absDeviation.clear();
    relDeviation.clear();
}
void RegressionTest::resultsForKeyword(const std::string keyword) {
    keywordValidForComparing(keyword);
    const unsigned int occurrences1 = ecl_file_get_num_named_kw(ecl_file1, keyword.c_str());
    const unsigned int occurrences2 = ecl_file_get_num_named_kw(ecl_file2, keyword.c_str());
    if (!onlyLastOccurrence && occurrences1 != occurrences2) {
        OPM_THROW(std::runtime_error, "For keyword " << keyword << ":"
                << "\nKeyword occurrences in first file: "  << occurrences1
                << "\nKeyword occurrences in second file: " << occurrences2
                << "\nThe number of occurrences differ.");
    }
    // Assuming keyword type is constant for every occurrence:
    const ecl_type_enum kw_type = ecl_file_iget_named_type(ecl_file1, keyword.c_str(), 0);
    switch(kw_type) {
        case ECL_DOUBLE_TYPE:
        case ECL_FLOAT_TYPE:
            std::cout << "Comparing " << keyword << "...";
            if (onlyLastOccurrence) {
                doubleComparisonForOccurrence(keyword, occurrences1 - 1, occurrences2 - 1);
            }
            else {
                for (unsigned int occurrence = 0; occurrence < occurrences1; ++occurrence) {
                    doubleComparisonForOccurrence(keyword, occurrence, occurrence);
                }
            }
            std::cout << "done." << std::endl;
            printResultsForKeyword(keyword);
            absDeviation.clear();
            relDeviation.clear();
            return;
        case ECL_INT_TYPE:
            std::cout << "Comparing " << keyword << "...";
            if (onlyLastOccurrence) {
                intComparisonForOccurrence(keyword, occurrences1 - 1, occurrences2 - 1);
            }
            else {
                for (unsigned int occurrence = 0; occurrence < occurrences1; ++occurrence) {
                    intComparisonForOccurrence(keyword, occurrence, occurrence);
                }
            }
            break;
        case ECL_CHAR_TYPE:
            std::cout << "Comparing " << keyword << "...";
            if (onlyLastOccurrence) {
                charComparisonForOccurrence(keyword, occurrences1 - 1, occurrences2 - 1);
            }
            else {
                for (unsigned int occurrence = 0; occurrence < occurrences1; ++occurrence) {
                    charComparisonForOccurrence(keyword, occurrence, occurrence);
                }
            }
            break;
        case ECL_BOOL_TYPE:
            std::cout << "Comparing " << keyword << "...";
            if (onlyLastOccurrence) {
                boolComparisonForOccurrence(keyword, occurrences1 - 1, occurrences2 - 1);
            }
            else {
                for (unsigned int occurrence = 0; occurrence < occurrences1; ++occurrence) {
                    boolComparisonForOccurrence(keyword, occurrence, occurrence);
                }
            }
            break;
        case ECL_MESS_TYPE:
            std::cout << "\nKeyword " << keyword << " is of type "
                << ecl_util_get_type_name(kw_type)
                << ", which is not supported in regression test." << "\n\n";
            return;
        default:
            std::cout << "\nKeyword " << keyword << "has undefined type." << std::endl;
            return;
    }
    std::cout << "done." << std::endl;
}