From a24baa2b58e4a52ecb71174843a6718bc86ff70c Mon Sep 17 00:00:00 2001
From: "K. Lange" <klange@toaruos.org>
Date: Wed, 26 Oct 2022 17:39:35 +0900
Subject: [PATCH] libc: more useful stub pow() for aarch64 so Quake plays

---
 libc/arch/aarch64/bad.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/libc/arch/aarch64/bad.c b/libc/arch/aarch64/bad.c
index a10f53c2..cbfcc9d2 100644
--- a/libc/arch/aarch64/bad.c
+++ b/libc/arch/aarch64/bad.c
@@ -1,4 +1,6 @@
 /* bad math */
+#include <stdio.h>
+#include <stdlib.h>
 #include <math.h>
 
 double sqrt(double x) {
@@ -40,7 +42,10 @@ double atan2(double y, double x) {
 }
 
 double pow(double x, double y) {
-	return 0.0;
+	if (getenv("LIBM_DEBUG")) {
+		fprintf(stderr, "pow(%f, %f)\n", x, y);
+	}
+	return x;
 }
 
 double fmod(double x, double y) {