From 095f2207822cc4b12590eac636f2cd7fd6dc840b Mon Sep 17 00:00:00 2001
From: Julian Weigt <juw@posteo.de>
Date: Sun, 21 Dec 2025 14:47:29 +0000
Subject: Add makefile.

---
 makefile | 12 ++++++++++++
 1 file changed, 12 insertions(+)
 create mode 100644 makefile

diff --git a/makefile b/makefile
new file mode 100644
index 0000000..f95b912
--- /dev/null
+++ b/makefile
@@ -0,0 +1,12 @@
+#!/bin/sh
+
+all: charf_approx charf_exact charf_error
+
+charf_approx: charf.c double.h double.c
+	gcc -o $@ -D MODE=0 $^ -lm -pthread
+
+charf_error: charf.c double-error.h double-error.c
+	gcc -o $@ -D MODE=1 $^ -lm -pthread
+
+charf_exact: charf.c ratio.h ratio.c
+	gcc -o $@ -D MODE=2 $^ -lm -pthread
-- 
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