From 7008d7ec552f55388a9009acb143c7e9511b5a30 Mon Sep 17 00:00:00 2001
From: Masashi Mizuno <29035331+unageek@users.noreply.github.com>
Date: Thu, 15 Apr 2021 01:59:04 +0900
Subject: [PATCH] ceil was missing for rationals

---
 src/ast.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/ast.rs b/src/ast.rs
index 03694271..8f559ceb 100644
--- a/src/ast.rs
+++ b/src/ast.rs
@@ -171,7 +171,7 @@ impl Expr {
             Unary(Asinh, x) => x.eval1(|x| x.asinh()),
             Unary(Atan, x) => x.eval1(|x| x.atan()),
             Unary(Atanh, x) => x.eval1(|x| x.atanh()),
-            Unary(Ceil, x) => x.eval1(|x| x.ceil(None)),
+            Unary(Ceil, x) => x.eval1r(|x| x.ceil(None), |x| Some(x.ceil())),
             Unary(Chi, x) => x.eval1(|x| x.chi()),
             Unary(Ci, x) => x.eval1(|x| x.ci()),
             Unary(Cos, x) => x.eval1(|x| x.cos()),