From 169daa11155988a210fac949297381743f3cb400 Mon Sep 17 00:00:00 2001
From: Kacper <kacper@mail.openlinux.dev>
Date: Tue, 9 Dec 2025 23:14:53 +0100
Subject: feat: clang-tidy fixes

---
 lib/libm/tgammal.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

(limited to 'lib/libm/tgammal.c')

diff --git a/lib/libm/tgammal.c b/lib/libm/tgammal.c
index 1ebbfab8..54270091 100644
--- a/lib/libm/tgammal.c
+++ b/lib/libm/tgammal.c
@@ -48,7 +48,10 @@
  *
  */
 
-#include "libm.h"
+#include "libm.h" // for __polevll
+
+#include <float.h> // for LDBL_MANT_DIG, LDBL_MAX_EXP
+#include <math.h>  // for fabsl, floorl, powl, expl, sinl, tgammal, INFINITY
 
 #if LDBL_MANT_DIG == 53 && LDBL_MAX_EXP == 1024
 long double tgammal(long double x)
@@ -250,7 +253,7 @@ long double tgammal(long double x)
 small:
 	/* z==1 if x was originally +-0 */
 	if (x == 0 && z != 1)
-		return x / x;
+		return NAN;
 	if (x < 0.0) {
 		x = -x;
 		q = z / (x * __polevll(x, SN, 8));
-- 
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