From b28f5949172b941a72bf408137657521f6774fc7 Mon Sep 17 00:00:00 2001
From: Andrey Kamaev <andrey.kamaev@itseez.com>
Date: Sat, 30 Mar 2013 22:11:35 +0400
Subject: [PATCH] Drop fast_abs

---
 modules/core/include/opencv2/core/base.hpp       | 2 +-
 modules/core/include/opencv2/core/operations.hpp | 8 --------
 modules/core/src/stat.cpp                        | 4 ++--
 3 files changed, 3 insertions(+), 11 deletions(-)

diff --git a/modules/core/include/opencv2/core/base.hpp b/modules/core/include/opencv2/core/base.hpp
index 5257782d4f..f98b4c2ffb 100644
--- a/modules/core/include/opencv2/core/base.hpp
+++ b/modules/core/include/opencv2/core/base.hpp
@@ -333,7 +333,7 @@ _AccTp normL1(const _Tp* a, int n)
     }
 #endif
     for( ; i < n; i++ )
-        s += fast_abs(a[i]);
+        s += std::abs(a[i]);
     return s;
 }
 
diff --git a/modules/core/include/opencv2/core/operations.hpp b/modules/core/include/opencv2/core/operations.hpp
index bbfc0dc374..c27e7c915a 100644
--- a/modules/core/include/opencv2/core/operations.hpp
+++ b/modules/core/include/opencv2/core/operations.hpp
@@ -63,14 +63,6 @@
 namespace cv
 {
 
-inline int fast_abs(uchar v) { return v; }
-inline int fast_abs(schar v) { return std::abs((int)v); }
-inline int fast_abs(ushort v) { return v; }
-inline int fast_abs(short v) { return std::abs((int)v); }
-inline int fast_abs(int v) { return std::abs(v); }
-inline float fast_abs(float v) { return std::abs(v); }
-inline double fast_abs(double v) { return std::abs(v); }
-
 namespace internal
 {
 
diff --git a/modules/core/src/stat.cpp b/modules/core/src/stat.cpp
index b62f10a2a8..c5d63c3f8d 100644
--- a/modules/core/src/stat.cpp
+++ b/modules/core/src/stat.cpp
@@ -1111,7 +1111,7 @@ normInf_(const T* src, const uchar* mask, ST* _result, int len, int cn)
             if( mask[i] )
             {
                 for( int k = 0; k < cn; k++ )
-                    result = std::max(result, ST(fast_abs(src[k])));
+                    result = std::max(result, ST(std::abs(src[k])));
             }
     }
     *_result = result;
@@ -1132,7 +1132,7 @@ normL1_(const T* src, const uchar* mask, ST* _result, int len, int cn)
             if( mask[i] )
             {
                 for( int k = 0; k < cn; k++ )
-                    result += fast_abs(src[k]);
+                    result += std::abs(src[k]);
             }
     }
     *_result = result;