locale_facets.h (__num_base::_S_scale_hex): Add.

2001-12-09  Benjamin Kosnik  <bkoz@redhat.com>
	    Philip Martin <pmartin@uklinux.net>

	* include/bits/locale_facets.h (__num_base::_S_scale_hex): Add.
	(__num_base::_S_scale_oct): Add.
	* src/locale.cc: Add definitions.
	* testsuite/27_io/istream_extractor_arith.cc (main): Call test13.

	* testsuite/testsuite_hooks.h: Remove duplicate VERIFY define.

Co-Authored-By: Philip Martin <pmartin@uklinux.net>

From-SVN: r47837

6 files changed, 29 insertions, 7 deletions

diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index 71848d1..e2d7b7e 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,13 @@
+2001-12-09  Benjamin Kosnik  <bkoz@redhat.com>
+	    Philip Martin <pmartin@uklinux.net>
+	
+	* include/bits/locale_facets.h (__num_base::_S_scale_hex): Add.
+	(__num_base::_S_scale_oct): Add.
+	* src/locale.cc: Add definitions.
+	* testsuite/27_io/istream_extractor_arith.cc (main): Call test13.
+
+	* testsuite/testsuite_hooks.h: Remove duplicate VERIFY define.
+	
 2001-12-07  Nathan Myers  <ncm@cantrip.org>
 	    Loren Rittle <ljrittle@acm.org>
 
diff --git a/libstdc++-v3/include/bits/locale_facets.h b/libstdc++-v3/include/bits/locale_facets.h
index 27bd5b1..a992c45 100644
--- a/libstdc++-v3/include/bits/locale_facets.h
+++ b/libstdc++-v3/include/bits/locale_facets.h
@@ -439,6 +439,12 @@ namespace std
     // Construct and return valid scanf format for integer types.
     static void
     _S_format_int(const ios_base& __io, char* __fptr, char __mod, char __modl);
+
+    // Used to establish gating factor for base 16 input.
+    static const double _S_scale_hex;
+    
+    // Used to establish gating factor for base 8 input.
+    static const double _S_scale_oct;
   };
 
   template<typename _CharT>
diff --git a/libstdc++-v3/include/bits/locale_facets.tcc b/libstdc++-v3/include/bits/locale_facets.tcc
index 51bc9ed..5f22cde 100644
--- a/libstdc++-v3/include/bits/locale_facets.tcc
+++ b/libstdc++-v3/include/bits/locale_facets.tcc
@@ -35,7 +35,7 @@
 #include <bits/std_cerrno.h>
 #include <bits/std_clocale.h>   // For localeconv
 #include <bits/std_cstdlib.h>   // For strof, strtold
-#include <bits/std_cmath.h>   // For ceil
+#include <bits/std_cmath.h>     // For ceil
 #include <bits/std_limits.h>    // For numeric_limits
 #include <bits/std_memory.h>    // For auto_ptr
 #include <bits/streambuf_iterator.h>     // For streambuf_iterators
@@ -299,11 +299,13 @@ namespace std
       // Figure out the maximum number of digits that can be extracted
       // for the given type, using the determined base.
       int __max_digits;
-      if (__base != 10)
-	__max_digits = static_cast<int>(ceil(__max * log(10.0)
-					   /log(static_cast<double>(__base))));
-      else 
+      if (__base == 10)
 	__max_digits = __max;
+      else if (__base == 16)
+	__max_digits = static_cast<int>(ceil(__max * _S_scale_hex));
+      else if (__base == 8)
+      __max_digits = static_cast<int>(ceil(__max * _S_scale_oct));
+
       // Add in what's already been extracted.
       __max_digits += __pos;
 
diff --git a/libstdc++-v3/src/locale.cc b/libstdc++-v3/src/locale.cc
index 2a16a3a..92a8a5c 100644
--- a/libstdc++-v3/src/locale.cc
+++ b/libstdc++-v3/src/locale.cc
@@ -76,6 +76,10 @@ namespace std
 
   const char __num_base::_S_atoms[] = "0123456789eEabcdfABCDF";
 
+  const double __num_base::_S_scale_hex = log(10.0)/log(16.0);
+
+  const double __num_base::_S_scale_oct = log(10.0)/log(8.0);
+
   // Definitions for static const data members of locale::_Impl
   const locale::id* const
   locale::_Impl::_S_id_ctype[] =
diff --git a/libstdc++-v3/testsuite/27_io/istream_extractor_arith.cc b/libstdc++-v3/testsuite/27_io/istream_extractor_arith.cc
index 9a8537e..83b9302 100644
--- a/libstdc++-v3/testsuite/27_io/istream_extractor_arith.cc
+++ b/libstdc++-v3/testsuite/27_io/istream_extractor_arith.cc
@@ -579,7 +579,7 @@ void test13()
     digits += '1';
   istringstream iss2(digits);
   iss2 >> i;
-  VERIFY( iss2.good() );
+  VERIFY( !iss2.fail() );
 
   digits += '1';
   i = 0;
@@ -604,6 +604,7 @@ int main()
   
   test11();
   test12();
+  test13();
   return 0;
 }
 
diff --git a/libstdc++-v3/testsuite/testsuite_hooks.h b/libstdc++-v3/testsuite/testsuite_hooks.h
index f8bb87b..b7e96cb 100644
--- a/libstdc++-v3/testsuite/testsuite_hooks.h
+++ b/libstdc++-v3/testsuite/testsuite_hooks.h
@@ -49,7 +49,6 @@
 # define VERIFY(fn) assert(fn)
 #else
 # define VERIFY(fn) test &= (fn)
-# define VERIFY(fn) fn
 #endif
 
 #include <bits/c++config.h>