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author | akr <akr@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2013-08-01 22:49:12 +0000 |
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committer | akr <akr@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2013-08-01 22:49:12 +0000 |
commit | 474dc1e816cd84c9d6c16a023f66850da1d5cbdb (patch) | |
tree | 0c356339187861589eab85670b618f289d99151b /bignum.c | |
parent | 1e3a29082bd4e3616682d46112b42af7055e12f4 (diff) | |
download | ruby-474dc1e816cd84c9d6c16a023f66850da1d5cbdb.tar.gz |
* bignum.c (big2str_orig): Remove len argument.
(big2str_karatsuba): Ditto.
(rb_big2str1): Follow above change.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@42319 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'bignum.c')
-rw-r--r-- | bignum.c | 24 |
1 files changed, 14 insertions, 10 deletions
@@ -4240,7 +4240,7 @@ big2str_alloc(struct big2str_struct *b2s, size_t len) } static void -big2str_orig(struct big2str_struct *b2s, VALUE x, size_t len, size_t taillen) +big2str_orig(struct big2str_struct *b2s, VALUE x, size_t taillen) { long i = RBIGNUM_LEN(x); size_t j; @@ -4249,6 +4249,7 @@ big2str_orig(struct big2str_struct *b2s, VALUE x, size_t len, size_t taillen) BDIGIT_DBL num; char buf[SIZEOF_BDIGIT_DBL*CHAR_BIT], *p; int trim = !b2s->ptr; + size_t len = 0; assert(i <= 2); @@ -4258,14 +4259,14 @@ big2str_orig(struct big2str_struct *b2s, VALUE x, size_t len, size_t taillen) if (1 < i) num |= BIGUP(ds[1]); - if (num == 0) - return; - if (trim) { + if (num == 0) + return; p = buf; j = sizeof(buf); } else { + power_cache_get_power(b2s->base, 0, &len); p = b2s->ptr; j = len; } @@ -4289,13 +4290,15 @@ big2str_orig(struct big2str_struct *b2s, VALUE x, size_t len, size_t taillen) static void big2str_karatsuba(struct big2str_struct *b2s, VALUE x, - int power_level, size_t len, size_t taillen) + int power_level, size_t taillen) { size_t m1; VALUE b, q, r; + size_t len; if (BIGZEROP(x)) { if (b2s->ptr) { + power_cache_get_power(b2s->base, power_level+1, &len); memset(b2s->ptr, '0', len); b2s->ptr += len; } @@ -4303,17 +4306,18 @@ big2str_karatsuba(struct big2str_struct *b2s, VALUE x, } if (power_level < 0) { - big2str_orig(b2s, x, len, taillen); + big2str_orig(b2s, x, taillen); return; } b = power_cache_get_power(b2s->base, power_level, &m1); + bigdivmod(x, b, &q, &r); rb_obj_hide(q); rb_obj_hide(r); - big2str_karatsuba(b2s, q, power_level-1, len ? len-m1 : 0, m1+taillen); + big2str_karatsuba(b2s, q, power_level-1, m1+taillen); rb_big_resize(q, 0); - big2str_karatsuba(b2s, r, power_level-1, m1, taillen); + big2str_karatsuba(b2s, r, power_level-1, taillen); rb_big_resize(r, 0); } @@ -4404,10 +4408,10 @@ rb_big2str1(VALUE x, int base) xx = rb_big_clone(x); RBIGNUM_SET_SIGN(xx, 1); if (power_level < 0) { - big2str_orig(&b2s_data, xx, 0, 0); + big2str_orig(&b2s_data, xx, 0); } else { - big2str_karatsuba(&b2s_data, xx, power_level, 0, 0); + big2str_karatsuba(&b2s_data, xx, power_level, 0); } rb_big_resize(xx, 0); |