2 files changed, 15 insertions, 20 deletions

diff --git a/ChangeLog b/ChangeLog
index 8599ae2667..67b3e0432b 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,6 +1,6 @@
-Sat Aug  3 01:40:33 2013  Tanaka Akira  <[email protected]>
+Sat Aug  3 02:22:05 2013  Tanaka Akira  <[email protected]>
 
-	* bignum.c (big2str_orig): Rename a local variable.
+	* bignum.c (big2str_orig): Refactored.
 
 Sat Aug  3 01:20:19 2013  Tanaka Akira  <[email protected]>
 
diff --git a/bignum.c b/bignum.c
index 2c650481fd..0c27d4defb 100644
--- a/bignum.c
+++ b/bignum.c
@@ -4251,7 +4251,6 @@ big2str_orig(struct big2str_struct *b2s, VALUE x, size_t taillen)
 {
     long i = RBIGNUM_LEN(x);
     size_t j;
-    int k;
     BDIGIT* ds = BDIGITS(x);
     BDIGIT_DBL num;
     char buf[SIZEOF_BDIGIT_DBL*CHAR_BIT], *p;
@@ -4271,27 +4270,23 @@ big2str_orig(struct big2str_struct *b2s, VALUE x, size_t taillen)
             return;
         p = buf;
         j = sizeof(buf);
-    }
-    else {
-        power_cache_get_power(b2s->base, 0, &len);
-        p = b2s->ptr;
-        j = len;
-    }
-
-    k = b2s->hbase2_numdigits;
-    while (k--) {
-        p[--j] = ruby_digitmap[num % b2s->base];
-        num /= b2s->base;
-        if (j <= 0) break;
-        if (beginning && num == 0) break;
-    }
-    if (beginning) {
-	while (j < sizeof(buf) && buf[j] == '0')
-            j++;
+        do {
+            p[--j] = ruby_digitmap[num % b2s->base];
+            num /= b2s->base;
+        } while (num);
         len = sizeof(buf) - j;
         big2str_alloc(b2s, len + taillen);
 	MEMCPY(b2s->ptr, buf + j, char, len);
     }
+    else {
+        p = b2s->ptr;
+        j = b2s->hbase2_numdigits;
+        do {
+            p[--j] = ruby_digitmap[num % b2s->base];
+            num /= b2s->base;
+        } while (j);
+        len = b2s->hbase2_numdigits;
+    }
     b2s->ptr += len;
 }