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author | matz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2008-09-11 02:40:52 +0000 |
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committer | matz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2008-09-11 02:40:52 +0000 |
commit | ba75344338a54c9faf4dd5663df6698998142a62 (patch) | |
tree | db353b0805a1092e5742de17c138f434dfa1a536 /bignum.c | |
parent | 5cebd7135d7c733160cfde84c92bec8adcac5048 (diff) | |
download | ruby-ba75344338a54c9faf4dd5663df6698998142a62.tar.gz |
* bignum.c (big2str_karatsuba): remove unnecessary fixnum code. a
patch from TOYOFUKU Chikanobu <nobu_toyofuku at nifty.com> in
[ruby-dev:36217].
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@19292 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'bignum.c')
-rw-r--r-- | bignum.c | 19 |
1 files changed, 2 insertions, 17 deletions
@@ -893,21 +893,6 @@ big2str_karatsuba(VALUE x, int base, char* ptr, long lh, ll, m1; VALUE b, q, r; - if (FIXNUM_P(x)) { - VALUE str = rb_fix2str(x, base); - char* str_ptr = RSTRING_PTR(str); - long str_len = RSTRING_LEN(str); - if (trim) { - if (FIX2INT(x) == 0) return 0; - MEMCPY(ptr, str_ptr, char, str_len); - return str_len; - } - else { - memset(ptr, '0', len - str_len); - MEMCPY(ptr + len - str_len, str_ptr, char, str_len); - return len; - } - } if (BIGZEROP(x)) { if (trim) return 0; else { @@ -922,10 +907,10 @@ big2str_karatsuba(VALUE x, int base, char* ptr, b = power_cache_get_power(base, n1, &m1); bigdivmod(x, b, &q, &r); - lh = big2str_karatsuba(q, base, ptr, (len - m1)/2, + lh = big2str_karatsuba(q, base, ptr, (len - m1)/2, len - m1, hbase, trim); ll = big2str_karatsuba(r, base, ptr + lh, m1/2, - m1, hbase, !lh && trim); + m1, hbase, !lh && trim); return lh + ll; } |