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* bignum.c (calc_hbase): Make hbase the maximum power of base

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representable in BDIGIT.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@41006 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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akr 2013-05-31 15:24:47 +00:00
parent 2a38d9043e
commit 25e5a75863
2 changed files with 11 additions and 6 deletions
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ChangeLog
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@ -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> Fri May 31 23:56:13 2013 Tanaka Akira <akr@fsij.org>
* bignum.c (calc_hbase): Extracted from rb_big2str0. * bignum.c (calc_hbase): Extracted from rb_big2str0.

12
bignum.c
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@ -1125,12 +1125,12 @@ calc_hbase(int base, long *hbase_p, int *hbase_numdigits_p)
long hbase; long hbase;
int hbase_numdigits; int hbase_numdigits;
hbase = base*base; hbase = base;
hbase_numdigits = 2; hbase_numdigits = 1;
#if SIZEOF_BDIGITS > 2 while (hbase <= (~(BDIGIT)0) / base) {
hbase *= hbase; hbase *= base;
hbase_numdigits *= 2; hbase_numdigits++;
#endif }
*hbase_p = hbase; *hbase_p = hbase;
*hbase_numdigits_p = hbase_numdigits; *hbase_numdigits_p = hbase_numdigits;