akr	2013-06-20 22:40:09 +0900 (Thu, 20 Jun 2013)

  New Revision: 41498

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=rev&revision=41498

  Log:
    * bignum.c (rb_uint2big): Refactored.

  Modified files:
    trunk/ChangeLog
    trunk/bignum.c

Index: ChangeLog
===================================================================
--- ChangeLog	(revision 41497)
+++ ChangeLog	(revision 41498)
@@ -1,3 +1,7 @@ https://github.com/ruby/ruby/blob/trunk/ChangeLog#L1
+Thu Jun 20 22:29:42 2013  Tanaka Akira  <akr@f...>
+
+	* bignum.c (rb_uint2big): Refactored.
+
 Thu Jun 20 22:24:41 2013  Tanaka Akira  <akr@f...>
 
 	* bignum.c (dump_bignum): Use SIZEOF_BDIGITS.
Index: bignum.c
===================================================================
--- bignum.c	(revision 41497)
+++ bignum.c	(revision 41498)
@@ -336,21 +336,17 @@ rb_big_norm(VALUE x) https://github.com/ruby/ruby/blob/trunk/bignum.c#L336
 VALUE
 rb_uint2big(VALUE n)
 {
-    long i = 0;
-    BDIGIT *digits;
-    VALUE big;
+    long i;
+    VALUE big = bignew(bdigit_roomof(SIZEOF_VALUE), 1);
+    BDIGIT *digits = BDIGITS(big);
 
 #if SIZEOF_BDIGITS >= SIZEOF_VALUE
-    big = bignew(1, 1);
-    digits = BDIGITS(big);
     digits[0] = n;
 #else
-    BDIGIT_DBL num = n;
-    big = bignew(bdigit_roomof(SIZEOF_VALUE), 1);
-    digits = BDIGITS(big);
-    while (i < bdigit_roomof(SIZEOF_VALUE)) {
-	digits[i++] = BIGLO(num);
-	num = BIGDN(num);
+    i = 0;
+    for (i = 0; i < bdigit_roomof(SIZEOF_VALUE); i++) {
+	digits[i] = BIGLO(n);
+	n = BIGDN(n);
     }
 #endif
 

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