From 66de90437f64e532a51297dc233c57c2cda9a124 Mon Sep 17 00:00:00 2001
From: Laurenz <laurmaedje@gmail.com>
Date: Mon, 27 Mar 2023 20:23:37 +0200
Subject: Update fibonacci example and add `round` function

---
 library/src/math/delimited.rs | 18 ++++++++++++++++++
 library/src/math/mod.rs       |  1 +
 2 files changed, 19 insertions(+)

(limited to 'library')

diff --git a/library/src/math/delimited.rs b/library/src/math/delimited.rs
index 3be17eae..fe7d2d1e 100644
--- a/library/src/math/delimited.rs
+++ b/library/src/math/delimited.rs
@@ -141,6 +141,24 @@ pub fn ceil(
     delimited(body, '⌈', '⌉')
 }
 
+/// Round an expression.
+///
+/// ## Example
+/// ```example
+/// $ round(x/2) $
+/// ```
+///
+/// Display: Round
+/// Category: math
+/// Returns: content
+#[func]
+pub fn round(
+    /// The expression to round.
+    body: Content,
+) -> Value {
+    delimited(body, '⌊', '⌉')
+}
+
 /// Take the absolute value of an expression.
 ///
 /// ## Example
diff --git a/library/src/math/mod.rs b/library/src/math/mod.rs
index 4e91dd51..b4a5b156 100644
--- a/library/src/math/mod.rs
+++ b/library/src/math/mod.rs
@@ -57,6 +57,7 @@ pub fn module() -> Module {
     math.define("norm", norm);
     math.define("floor", floor);
     math.define("ceil", ceil);
+    math.define("round", round);
 
     // Attachments and accents.
     math.define("attach", AttachElem::func());
-- 
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