[cfe-commits] [libcxx] r132342 - /libcxx/trunk/include/ratio

[Howard Hinnant]

Author: hhinnant
Date: Tue May 31 11:55:36 2011
New Revision: 132342

URL: http://llvm.org/viewvc/llvm-project?rev=132342&view=rev
Log:
Upgrade <ratio> to use template aliases when available.

Modified:
    libcxx/trunk/include/ratio

Modified: libcxx/trunk/include/ratio
URL: http://llvm.org/viewvc/llvm-project/libcxx/trunk/include/ratio?rev=132342&r1=132341&r2=132342&view=diff
==============================================================================
--- libcxx/trunk/include/ratio (original)
+++ libcxx/trunk/include/ratio Tue May 31 11:55:36 2011
@@ -274,10 +274,19 @@
         >::type type;
 };
 
+#ifndef _LIBCPP_HAS_NO_TEMPLATE_ALIASES
+
+template <class _R1, class _R2> using ratio_multiply
+                                    = typename __ratio_multiply<_R1, _R2>::type;
+
+#else  // _LIBCPP_HAS_NO_TEMPLATE_ALIASES
+
 template <class _R1, class _R2>
 struct _LIBCPP_VISIBLE ratio_multiply
     : public __ratio_multiply<_R1, _R2>::type {};
 
+#endif  // _LIBCPP_HAS_NO_TEMPLATE_ALIASES
+
 template <class _R1, class _R2>
 struct __ratio_divide
 {
@@ -292,10 +301,19 @@
         >::type type;
 };
 
+#ifndef _LIBCPP_HAS_NO_TEMPLATE_ALIASES
+
+template <class _R1, class _R2> using ratio_divide
+                                      = typename __ratio_divide<_R1, _R2>::type;
+
+#else  // _LIBCPP_HAS_NO_TEMPLATE_ALIASES
+
 template <class _R1, class _R2>
 struct _LIBCPP_VISIBLE ratio_divide
     : public __ratio_divide<_R1, _R2>::type {};
 
+#endif  // _LIBCPP_HAS_NO_TEMPLATE_ALIASES
+
 template <class _R1, class _R2>
 struct __ratio_add
 {
@@ -318,10 +336,19 @@
         >::type type;
 };
 
+#ifndef _LIBCPP_HAS_NO_TEMPLATE_ALIASES
+
+template <class _R1, class _R2> using ratio_add
+                                         = typename __ratio_add<_R1, _R2>::type;
+
+#else  // _LIBCPP_HAS_NO_TEMPLATE_ALIASES
+
 template <class _R1, class _R2>
 struct _LIBCPP_VISIBLE ratio_add
     : public __ratio_add<_R1, _R2>::type {};
 
+#endif  // _LIBCPP_HAS_NO_TEMPLATE_ALIASES
+
 template <class _R1, class _R2>
 struct __ratio_subtract
 {
@@ -344,10 +371,19 @@
         >::type type;
 };
 
+#ifndef _LIBCPP_HAS_NO_TEMPLATE_ALIASES
+
+template <class _R1, class _R2> using ratio_subtract
+                                    = typename __ratio_subtract<_R1, _R2>::type;
+
+#else  // _LIBCPP_HAS_NO_TEMPLATE_ALIASES
+
 template <class _R1, class _R2>
 struct _LIBCPP_VISIBLE ratio_subtract
     : public __ratio_subtract<_R1, _R2>::type {};
 
+#endif  // _LIBCPP_HAS_NO_TEMPLATE_ALIASES
+
 // ratio_equal
 
 template <class _R1, class _R2>