From b537d8e0263583825834edf9fbea74b6ff4025c4 Mon Sep 17 00:00:00 2001
From: Micfan <micfan@users.noreply.github.com>
Date: Thu, 28 Mar 2019 04:27:05 +0800
Subject: [PATCH] fix gcc link error of math library

---
 makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/makefile b/makefile
index 552d340..27781e8 100644
--- a/makefile
+++ b/makefile
@@ -8,7 +8,7 @@ test: $(TARGETS) $(OUTPUTS)
 diagram: $(DIAGRAMS)
 
 %: %.c
-	gcc -Wall -O3 -o $@ $<
+	gcc -lm -Wall -O3 -o $@ $<
 
 %.png: %
 	time ./$<