fix sign/1 (#2157)

2023-11-15 20:38:24 +01:00
parent 4be320abc8
commit bcb68fcc3d
1 changed files with 5 additions and 1 deletions
--- a/src/forms.rs
+++ b/src/forms.rs
@@ -744,7 +744,11 @@ impl Number {
            Number::Float(f) => Number::Float(OrderedFloat(f.signum())),
            _ => {
                if self.is_positive() {
-                    Number::Fixnum(Fixnum::build_with(1))
+		    if self.is_zero() {
+			Number::Fixnum(Fixnum::build_with(0))
+		    } else {
+			Number::Fixnum(Fixnum::build_with(1))
+		    }
                } else if self.is_negative() {
                    Number::Fixnum(Fixnum::build_with(-1))
                } else {