From ddd7a392ba3ed7bc13f4a8ca24757102a69773a8 Mon Sep 17 00:00:00 2001
From: Hanno Braun <hello@hannobraun.com>
Date: Tue, 6 Aug 2024 19:33:53 +0200
Subject: [PATCH] Add default tolerance to `Core`

As per its documentation, this can be used when computing the new
uniform intermediate geometry representation. I'm working on that right
now, so it's hopefully going to see some use soon.
---
 crates/fj-core/src/core.rs | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

diff --git a/crates/fj-core/src/core.rs b/crates/fj-core/src/core.rs
index 47336abcc..e1e65fc7d 100644
--- a/crates/fj-core/src/core.rs
+++ b/crates/fj-core/src/core.rs
@@ -2,7 +2,9 @@
 //!
 //! See [`Core`].
 
-use crate::{layers::Layers, validation::ValidationConfig};
+use crate::{
+    algorithms::approx::Tolerance, layers::Layers, validation::ValidationConfig,
+};
 
 /// An instance of the Fornjot core
 ///
@@ -10,6 +12,9 @@ use crate::{layers::Layers, validation::ValidationConfig};
 pub struct Core {
     /// The layers of data that make up the state of a core instance
     pub layers: Layers,
+
+    /// Default tolerance used for intermediate geometry representation
+    pub default_tolerance: Tolerance,
 }
 
 impl Core {
@@ -25,7 +30,13 @@ impl Core {
     }
 
     fn from_layers(layers: Layers) -> Self {
-        Self { layers }
+        let default_tolerance = Tolerance::from_scalar(0.001)
+            .expect("Tolerance provided is larger than zero");
+
+        Self {
+            layers,
+            default_tolerance,
+        }
     }
 }