From 7dd16046034ca43dc555141b1d3a57da2a57f04d Mon Sep 17 00:00:00 2001
From: akr <akr@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Sun, 1 Sep 2013 11:35:57 +0000
Subject: * bignum.c (big2str_base_poweroftwo): Renamed from  
 big2str_base_powerof2.   (rb_big2str_poweroftwo): New function for test.  
 (big2str_generic): Extracted from rb_big2str1.   (rb_big2str_generic): New
 function for test.

* internal.h (rb_big2str_poweroftwo): Declared.
  (rb_big2str_generic): Ditto.

* ext/-test-/bignum/big2str.c: New file.

* test/-ext-/bignum/test_big2str.rb: New file.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@42758 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ext/-test-/bignum/big2str.c | 40 ++++++++++++++++++++++++++++++++++++++++
 ext/-test-/bignum/depend    |  1 +
 2 files changed, 41 insertions(+)
 create mode 100644 ext/-test-/bignum/big2str.c

(limited to 'ext')

diff --git a/ext/-test-/bignum/big2str.c b/ext/-test-/bignum/big2str.c
new file mode 100644
index 0000000000..2c5df6a656
--- /dev/null
+++ b/ext/-test-/bignum/big2str.c
@@ -0,0 +1,40 @@
+#include "ruby.h"
+#include "internal.h"
+
+static VALUE
+big(VALUE x)
+{
+    if (FIXNUM_P(x))
+        return rb_int2big(FIX2LONG(x));
+    if (RB_TYPE_P(x, T_BIGNUM))
+        return x;
+    rb_raise(rb_eTypeError, "can't convert %s to Bignum",
+            rb_obj_classname(x));
+}
+
+static VALUE
+big2str_generic(VALUE x, VALUE vbase)
+{
+    int base = NUM2INT(vbase);
+    if (base < 2 || 36 < base)
+        rb_raise(rb_eArgError, "invalid radix %d", base);
+    return rb_big2str_generic(big(x), NUM2INT(vbase));
+}
+
+#define POW2_P(x) (((x)&((x)-1))==0)
+
+static VALUE
+big2str_poweroftwo(VALUE x, VALUE vbase)
+{
+    int base = NUM2INT(vbase);
+    if (base < 2 || 36 < base || !POW2_P(base))
+        rb_raise(rb_eArgError, "invalid radix %d", base);
+    return rb_big2str_poweroftwo(big(x), NUM2INT(vbase));
+}
+
+void
+Init_big2str(VALUE klass)
+{
+    rb_define_method(rb_cInteger, "big2str_generic", big2str_generic, 1);
+    rb_define_method(rb_cInteger, "big2str_poweroftwo", big2str_poweroftwo, 1);
+}
diff --git a/ext/-test-/bignum/depend b/ext/-test-/bignum/depend
index 947441064c..cac4d52a12 100644
--- a/ext/-test-/bignum/depend
+++ b/ext/-test-/bignum/depend
@@ -2,3 +2,4 @@ $(OBJS): $(HDRS) $(ruby_headers)
 
 intpack.o: intpack.c $(top_srcdir)/internal.h
 mul.o: mul.c $(top_srcdir)/internal.h
+big2str.o: big2str.c $(top_srcdir)/internal.h
-- 
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