From 3a75c9ef92dbc3736de5442036e0d4d46eea2e7b Mon Sep 17 00:00:00 2001
From: Hanno Braun <hanno@braun-odw.eu>
Date: Sat, 19 Feb 2022 10:37:26 +0100
Subject: [PATCH] Check that scalar is finite on construction

---
 src/math/scalar.rs | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/math/scalar.rs b/src/math/scalar.rs
index f350cf990..72a1df265 100644
--- a/src/math/scalar.rs
+++ b/src/math/scalar.rs
@@ -24,7 +24,12 @@ impl Scalar {
 
     /// Construct a `Scalar` from an `f64`
     pub fn from_f64(scalar: f64) -> Self {
-        Self(scalar)
+        if scalar.is_finite() {
+            // `scalar` is neither infinite, nor NaN
+            Self(scalar)
+        } else {
+            panic!("Invalid scalar value: {scalar}");
+        }
     }
 
     /// Construct a `Scalar` from a `u64`