* bignum.c (rb_big2str0): round up for the most significant digit.

  [ruby-core:10686]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@12116 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 4 insertions, 4 deletions

diff --git a/bignum.c b/bignum.c
index f0c3a0f63a..aec25c13d9 100644
--- a/bignum.c
+++ b/bignum.c
@@ -601,10 +601,10 @@ rb_big2str0(VALUE x, int base, int trim)
 	j = j * 53L / 84 + 1;
 	break;
       case 4: case 5: case 6: case 7:
-	j /= 2;
+	j = (j + 1) / 2;
 	break;
       case 8: case 9:
-	j /= 3;
+	j = (j + 2) / 3;
 	break;
       case 10: case 11: case 12: case 13: case 14: case 15:
 	j = j * 28L / 93 + 1;
@@ -612,10 +612,10 @@ rb_big2str0(VALUE x, int base, int trim)
       case 16: case 17: case 18: case 19: case 20: case 21:
       case 22: case 23: case 24: case 25: case 26: case 27:
       case 28: case 29: case 30: case 31:
-	j /= 4;
+	j = (j + 3) / 4;
 	break;
       case 32: case 33: case 34: case 35: case 36:
-	j /= 5;
+	j = (j + 4) / 5;
 	break;
       default:
 	rb_raise(rb_eArgError, "illegal radix %d", base);