[PATCH] libstdc++/5045: wrong numeric_limits::digits10 forinteger types

[Paolo Carlini]

Benjamin Kosnik wrote:

> > May I apply the following patch?
>
> Please wait for Gaby to ok and make a test case please.

Ok.

In case Gaby ok the patch this is what I propose for the testsuite.

Cheers,
Paolo.

//////////////

--- numeric_limits.cc.orig Sat Dec  8 01:25:59 2001
+++ numeric_limits.cc Sat Dec  8 01:32:11 2001
@@ -155,10 +155,31 @@ void test02()
   const bool* pb1 = &b_nl_type::traps;
 }

+// libstdc++/5045
+bool test03()
+{
+  bool test = true;
+
+  VERIFY( __glibcpp_s8_digits10 == 2 );
+  VERIFY( __glibcpp_u8_digits10 == 2 );
+  VERIFY( __glibcpp_s16_digits10 == 4 );
+  VERIFY( __glibcpp_u16_digits10 == 4 );
+  VERIFY( __glibcpp_s32_digits10 == 9 );
+  VERIFY( __glibcpp_u32_digits10 == 9 );
+  VERIFY( __glibcpp_s64_digits10 == 18 );
+
+#ifdef DEBUG_ASSERT
+  assert(test);
+#endif
+
+  return test;
+}
+
 int main()
 {
   test01();
   test02();
+  test03();

   test_extrema<char>();
   test_extrema<signed char>();