std.fmt.parseFloat: fix hex-float negative inf

Closes #24111.
2025-06-08 14:32:16 +12:00
parent 201c0f54a5
commit cffa98eef5
2 changed files with 4 additions and 1 deletions
--- a/lib/std/fmt/parse_float/convert_hex.zig
+++ b/lib/std/fmt/parse_float/convert_hex.zig
@@ -78,7 +78,7 @@ pub fn convertHex(comptime T: type, n_: Number(T)) T {

    // Infinity and range error
    if (n.exponent > max_exp) {
-        return math.inf(T);
+        return if (n.negative) -math.inf(T) else math.inf(T);
    }

    var bits = n.mantissa & ((1 << mantissa_bits) - 1);