From 67b4af049be6ce4e2006aec99e7628a8ab53ce57 Mon Sep 17 00:00:00 2001
From: Zeno Rogue <zeno@attnam.com>
Date: Mon, 18 Aug 2025 14:23:07 +0200
Subject: [PATCH] arcm:: in prepare_basics do compute_geometry first so that
 geuclid and ghyperbolic and correct

---
 geometry.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/geometry.cpp b/geometry.cpp
index a9bb2841..ce672da9 100644
--- a/geometry.cpp
+++ b/geometry.cpp
@@ -632,6 +632,12 @@ void geometry_information::prepare_basics() {
   heptshape = nullptr;
 
   xp_order = 0;
+
+  if(arcm::in()) {
+    auto& ac = arcm::current_or_fake();
+    if(fake::in_ext()) ac = arcm::current;
+    ac.compute_geometry();
+    }
   
   emb = make_embed();
   bool geuclid = euclid;