Fix nan sign bug in cformat

2026-06-02 19:39:49 +09:00 · 2020-11-10 02:50:10 +09:00
parent 213a335bcf
commit 31d662eded
1 changed files with 4 additions and 3 deletions
--- a/vm/src/cformat.rs
+++ b/vm/src/cformat.rs
@@ -294,11 +294,12 @@ impl CFormatSpec {
    }

    pub(crate) fn format_float(&self, num: f64) -> String {
-        let sign_string = if num.is_sign_positive() {
-            self.flags.sign_string()
-        } else {
+        let sign_string = if num.is_sign_negative() && !num.is_nan() {
            "-"
+        } else {
+            self.flags.sign_string()
        };
+
        let precision = match self.precision {
            Some(CFormatQuantity::Amount(p)) => p,
            _ => 6,