diff options
-rw-r--r-- | ChangeLog | 5 | ||||
-rw-r--r-- | bignum.c | 12 |
2 files changed, 11 insertions, 6 deletions
@@ -1,3 +1,8 @@ +Sat Jun 1 00:19:50 2013 Tanaka Akira <akr@fsij.org> + + * bignum.c (calc_hbase): Make hbase the maximum power of base + representable in BDIGIT. + Fri May 31 23:56:13 2013 Tanaka Akira <akr@fsij.org> * bignum.c (calc_hbase): Extracted from rb_big2str0. @@ -1125,12 +1125,12 @@ calc_hbase(int base, long *hbase_p, int *hbase_numdigits_p) long hbase; int hbase_numdigits; - hbase = base*base; - hbase_numdigits = 2; -#if SIZEOF_BDIGITS > 2 - hbase *= hbase; - hbase_numdigits *= 2; -#endif + hbase = base; + hbase_numdigits = 1; + while (hbase <= (~(BDIGIT)0) / base) { + hbase *= base; + hbase_numdigits++; + } *hbase_p = hbase; *hbase_numdigits_p = hbase_numdigits; |