From 0e53aafa8651ac9e9cd66016bbcf6afabaae510e Mon Sep 17 00:00:00 2001
From: wandererfan <wandererfan@gmail.com>
Date: Tue, 16 Jan 2024 21:00:53 -0500
Subject: [PATCH] [Import]fix rounding errors in dxf export

---
 src/Mod/Import/App/dxf/dxf.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/Mod/Import/App/dxf/dxf.cpp b/src/Mod/Import/App/dxf/dxf.cpp
index cbde2326a9..5d9920620a 100644
--- a/src/Mod/Import/App/dxf/dxf.cpp
+++ b/src/Mod/Import/App/dxf/dxf.cpp
@@ -63,6 +63,10 @@ CDxfWrite::CDxfWrite(const char* filepath)
         return;
     }
     m_ofs->imbue(std::locale("C"));
+
+    // use lots of digits to avoid rounding errors
+    m_ssEntity->setf(std::ios::fixed);
+    m_ssEntity->precision(9);
 }
 
 CDxfWrite::~CDxfWrite()