FIX: Issues with SIGN and EXP

Fixes #563
2025-11-19 02:31:41 +01:00
parent 8e15c623dd
commit 7676efca44
4 changed files with 41 additions and 40 deletions
--- a/base/src/functions/mathematical.rs
+++ b/base/src/functions/mathematical.rs
@@ -1336,7 +1336,13 @@ impl Model {
        }
        Ok(acc)
    });
-    single_number_fn!(fn_sign, |f| Ok(f64::signum(f)));
+    single_number_fn!(fn_sign, |f| {
+        if f == 0.0 {
+            Ok(0.0)
+        } else {
+            Ok(f64::signum(f))
+        }
+    });
    single_number_fn!(fn_degrees, |f| Ok(f * (180.0 / PI)));
    single_number_fn!(fn_radians, |f| Ok(f * (PI / 180.0)));
    single_number_fn!(fn_odd, |f| {