From 3d0e42f655b468bb33b13d1e898ee9139e04fe0f Mon Sep 17 00:00:00 2001
From: berak <px1704@web.de>
Date: Thu, 27 Jul 2017 14:23:18 +0200
Subject: [PATCH] ximgproc: change M_PI to CV_PI in structured_edge_detection

---
 modules/ximgproc/src/structured_edge_detection.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/modules/ximgproc/src/structured_edge_detection.cpp b/modules/ximgproc/src/structured_edge_detection.cpp
index 5bb45f17f..fa0851e5f 100644
--- a/modules/ximgproc/src/structured_edge_detection.cpp
+++ b/modules/ximgproc/src/structured_edge_detection.cpp
@@ -581,8 +581,8 @@ public:
       {
           int xysign = -((oxy[i] > 0) - (oxy[i] < 0));
           o[i] = (atan((oyy[i] * xysign / (oxx[i] + 1e-5))) > 0) ? (float) fmod(
-                  atan((oyy[i] * xysign / (oxx[i] + 1e-5))), M_PI) : (float) fmod(
-                  atan((oyy[i] * xysign / (oxx[i] + 1e-5))) + M_PI, M_PI);
+                  atan((oyy[i] * xysign / (oxx[i] + 1e-5))), CV_PI) : (float) fmod(
+                  atan((oyy[i] * xysign / (oxx[i] + 1e-5))) + CV_PI, CV_PI);
       }
     }