From d453a598f86be055745024c54f1d2d0b31cff62e Mon Sep 17 00:00:00 2001
From: Ilya Lavrenov <ilya.lavrenov@itseez.com>
Date: Sun, 13 Apr 2014 15:59:32 +0400
Subject: [PATCH] cv::min/cv::max CV_64F

---
 modules/core/src/arithm.cpp | 34 ++++++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)

diff --git a/modules/core/src/arithm.cpp b/modules/core/src/arithm.cpp
index 966db7106b..d9e1eadf5e 100644
--- a/modules/core/src/arithm.cpp
+++ b/modules/core/src/arithm.cpp
@@ -705,6 +705,23 @@ static void max64f( const double* src1, size_t step1,
                     const double* src2, size_t step2,
                     double* dst, size_t step, Size sz, void* )
 {
+#if ARITHM_USE_IPP == 1
+    double* s1 = (double*)src1;
+    double* s2 = (double*)src2;
+    double* d  = dst;
+    fixSteps(sz, sizeof(dst[0]), step1, step2, step);
+    int i = 0;
+    for(; i < sz.height; i++)
+    {
+        if (0 > ippsMaxEvery_64f(s1, s2, d, sz.width))
+            break;
+        s1 = (double*)((uchar*)s1 + step1);
+        s2 = (double*)((uchar*)s2 + step2);
+        d  = (double*)((uchar*)d + step);
+    }
+    if (i == sz.height)
+        return;
+#endif
     vBinOp64<double, OpMax<double>, IF_SIMD(VMax<double>)>(src1, step1, src2, step2, dst, step, sz);
 }
 
@@ -808,6 +825,23 @@ static void min64f( const double* src1, size_t step1,
                     const double* src2, size_t step2,
                     double* dst, size_t step, Size sz, void* )
 {
+#if ARITHM_USE_IPP == 1
+    double* s1 = (double*)src1;
+    double* s2 = (double*)src2;
+    double* d  = dst;
+    fixSteps(sz, sizeof(dst[0]), step1, step2, step);
+    int i = 0;
+    for(; i < sz.height; i++)
+    {
+        if (0 > ippsMinEvery_64f(s1, s2, d, sz.width))
+            break;
+        s1 = (double*)((uchar*)s1 + step1);
+        s2 = (double*)((uchar*)s2 + step2);
+        d  = (double*)((uchar*)d + step);
+    }
+    if (i == sz.height)
+        return;
+#endif
     vBinOp64<double, OpMin<double>, IF_SIMD(VMin<double>)>(src1, step1, src2, step2, dst, step, sz);
 }