From e90ab055b9293843e544412947503024a3e5865a Mon Sep 17 00:00:00 2001
From: Tomasz Wlostowski <tomasz.wlostowski@cern.ch>
Date: Tue, 7 Jun 2022 23:22:01 +0200
Subject: [PATCH] router: remove unused LINE::Is45Degree()

---
 pcbnew/router/pns_line.cpp | 30 ------------------------------
 pcbnew/router/pns_line.h   |  2 --
 2 files changed, 32 deletions(-)

diff --git a/pcbnew/router/pns_line.cpp b/pcbnew/router/pns_line.cpp
index 8253943a4b..6ad97e7cb1 100644
--- a/pcbnew/router/pns_line.cpp
+++ b/pcbnew/router/pns_line.cpp
@@ -533,36 +533,6 @@ const SHAPE_LINE_CHAIN SEGMENT::Hull( int aClearance, int aWalkaroundThickness,
    return SegmentHull( m_seg, aClearance, aWalkaroundThickness );
 }
 
-
-bool LINE::Is45Degree() const
-{
-    for( int i = 0; i < m_line.SegmentCount(); i++ )
-    {
-        const SEG& s = m_line.CSegment( i );
-
-        if( m_line.IsArcSegment( i ) )
-            continue;
-
-        if( s.Length() < 10 )
-            continue;
-
-        double angle = 180.0 / M_PI *
-                       atan2( (double) s.B.y - (double) s.A.y,
-                              (double) s.B.x - (double) s.A.x );
-
-        if( angle < 0 )
-            angle += 360.0;
-
-        double angle_a = fabs( fmod( angle, 45.0 ) );
-
-        if( angle_a > 1.0 && angle_a < 44.0 )
-            return false;
-    }
-
-    return true;
-}
-
-
 const LINE LINE::ClipToNearestObstacle( NODE* aNode ) const
 {
     const int IterationLimit = 5;
diff --git a/pcbnew/router/pns_line.h b/pcbnew/router/pns_line.h
index 7003e03792..1a60c81869 100644
--- a/pcbnew/router/pns_line.h
+++ b/pcbnew/router/pns_line.h
@@ -183,8 +183,6 @@ public:
 
     bool Walkaround( const SHAPE_LINE_CHAIN& aObstacle, SHAPE_LINE_CHAIN& aPath, bool aCw ) const;
 
-    bool Is45Degree() const;
-
     ///< Print out all linked segments.
     void ShowLinks() const;