From f07a529b7768f56f45503a3f54a58d01f2def52c Mon Sep 17 00:00:00 2001
From: Howard Hinnant <hhinnant@apple.com>
Date: Thu, 3 May 2012 14:58:34 +0000
Subject: [PATCH] Change std::abs from a template function to three overloads
 for float, double and long double.

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@156064 91177308-0d34-0410-b5e6-96231b3b80d8
---
 include/cmath | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

diff --git a/include/cmath b/include/cmath
index 026889f81..76d7a821a 100644
--- a/include/cmath
+++ b/include/cmath
@@ -648,10 +648,17 @@ using ::double_t;
 
 // abs
 
-template <class _A1>
 inline _LIBCPP_INLINE_VISIBILITY
-typename enable_if<is_floating_point<_A1>::value, _A1>::type
-abs(_A1 __x) {return fabs(__x);}
+float
+abs(float __x) {return fabsf(__x);}
+
+inline _LIBCPP_INLINE_VISIBILITY
+double
+abs(double __x) {return fabs(__x);}
+
+inline _LIBCPP_INLINE_VISIBILITY
+long double
+abs(long double __x) {return fabsl(__x);}
 
 #ifndef __sun__