case FRQ_AFREQ | (ALPHA << 16): return compare_freq_alpha_a;
case FRQ_DFREQ | (NUMERIC << 16): return compare_freq_numeric_d;
case FRQ_DFREQ | (ALPHA << 16): return compare_freq_alpha_d;
case FRQ_AFREQ | (ALPHA << 16): return compare_freq_alpha_a;
case FRQ_DFREQ | (NUMERIC << 16): return compare_freq_numeric_d;
case FRQ_DFREQ | (ALPHA << 16): return compare_freq_alpha_d;