usa	2008-02-25 15:34:38 +0900 (Mon, 25 Feb 2008)

  New Revision: 15598

  Modified files:
    trunk/ChangeLog
    trunk/bignum.c

  Log:
    * bignum.c (big2str_karatsuba): initialize cache if not initialized.
    
    * bignum.c (Init_Bignum): delayed initializing cache.
    


  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi/trunk/ChangeLog?r1=15598&r2=15597&diff_format=u
  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi/trunk/bignum.c?r1=15598&r2=15597&diff_format=u

Index: ChangeLog
===================================================================
--- ChangeLog	(revision 15597)
+++ ChangeLog	(revision 15598)
@@ -1,3 +1,9 @@
+Mon Feb 25 15:33:29 2008  NAKAMURA Usaku  <usa@r...>
+
+	* bignum.c (big2str_karatsuba): initialize cache if not initialized.
+
+	* bignum.c (Init_Bignum): delayed initializing cache.
+
 Mon Feb 25 13:40:03 2008  Tanaka Akira  <akr@f...>
 
 	* process.c (Init_process): share bignum objects for RLIM_INFINITY,
Index: bignum.c
===================================================================
--- bignum.c	(revision 15597)
+++ bignum.c	(revision 15598)
@@ -737,6 +737,7 @@
 #define MAX_BIG2STR_TABLE_ENTRIES 64
 
 static VALUE big2str_power_cache[35][MAX_BIG2STR_TABLE_ENTRIES];
+static int power_cache_initialized = 0;
 
 static void
 power_cache_init(void)
@@ -901,6 +902,10 @@
         return big2str_orig(x, base, ptr, len, hbase, trim);
     }
 
+    if (!power_cache_initialized) {
+	power_cache_init();
+	power_cache_initialized = 1;
+    }
     b = power_cache_get_power(base, n1, &m1);
     bigdivmod(x, b, &q, &r);
     lh = big2str_karatsuba(q, base, ptr,      (len - m1)/2,
@@ -2605,6 +2610,4 @@
     rb_define_method(rb_cBignum, "size", rb_big_size, 0);
     rb_define_method(rb_cBignum, "odd?", rb_big_odd_p, 0);
     rb_define_method(rb_cBignum, "even?", rb_big_even_p, 0);
-
-    power_cache_init();
 }

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