From 850ca98e7b35a9cd4243d7e2206739876cd32558 Mon Sep 17 00:00:00 2001
From: Seth Hillbrand <seth@kipro-pcb.com>
Date: Mon, 6 Jan 2020 05:15:14 -0800
Subject: [PATCH] Remove outdated RoundTo0

With internal units in 100nm, there are no rounding errors when
representing mm coordinates in eeschema.
---
 common/common.cpp           | 23 -----------------------
 eeschema/sch_base_frame.cpp | 12 ------------
 include/common.h            | 10 ----------
 3 files changed, 45 deletions(-)

diff --git a/common/common.cpp b/common/common.cpp
index 175134ffaa..94fe167ba2 100644
--- a/common/common.cpp
+++ b/common/common.cpp
@@ -230,29 +230,6 @@ timestamp_t GetNewTimeStamp()
 }
 
 
-double RoundTo0( double x, double precision )
-{
-    assert( precision != 0 );
-
-    long long ix = KiROUND( x * precision );
-
-    if ( x < 0.0 )
-        ix = -ix;
-
-    int remainder = ix % 10;   // remainder is in precision mm
-
-    if( remainder <= 2 )
-        ix -= remainder;       // truncate to the near number
-    else if( remainder >= 8 )
-        ix += 10 - remainder;  // round to near number
-
-    if ( x < 0 )
-        ix = -ix;
-
-    return (double) ix / precision;
-}
-
-
 std::unique_ptr<wxConfigBase> GetNewConfig( const wxString& aProgName )
 {
     wxFileName configname;
diff --git a/eeschema/sch_base_frame.cpp b/eeschema/sch_base_frame.cpp
index da71a7b358..8f2d474855 100644
--- a/eeschema/sch_base_frame.cpp
+++ b/eeschema/sch_base_frame.cpp
@@ -185,12 +185,6 @@ void SCH_BASE_FRAME::UpdateStatusBar()
     double   dXpos = To_User_Unit( GetUserUnits(), cursorPos.x );
     double   dYpos = To_User_Unit( GetUserUnits(), cursorPos.y );
 
-    if( GetUserUnits() == EDA_UNITS::MILLIMETRES )
-    {
-        dXpos = RoundTo0( dXpos, 100.0 );
-        dYpos = RoundTo0( dYpos, 100.0 );
-    }
-
     wxString absformatter;
     wxString locformatter;
 
@@ -226,12 +220,6 @@ void SCH_BASE_FRAME::UpdateStatusBar()
     dXpos = To_User_Unit( GetUserUnits(), dx );
     dYpos = To_User_Unit( GetUserUnits(), dy );
 
-    if( GetUserUnits() == EDA_UNITS::MILLIMETRES )
-    {
-        dXpos = RoundTo0( dXpos, 100.0 );
-        dYpos = RoundTo0( dYpos, 100.0 );
-    }
-
     // We already decided the formatter above
     line.Printf( locformatter, dXpos, dYpos, hypot( dXpos, dYpos ) );
     SetStatusText( line, 3 );
diff --git a/include/common.h b/include/common.h
index 1703000835..fd8049c6c5 100644
--- a/include/common.h
+++ b/include/common.h
@@ -217,16 +217,6 @@ int GetCommandOptions( const int argc, const char** argv,
                        const char* stringtst, const char** optarg,
                        int* optind );
 
-/**
- * Round to the nearest precision.
- *
- * Try to approximate a coordinate using a given precision to prevent
- * rounding errors when converting from inches to mm.
- *
- * ie round the unit value to 0 if unit is 1 or 2, or 8 or 9
- */
-double RoundTo0( double x, double precision );
-
 /**
  * Split \a aString to a string list separated at \a aSplitter.
  *