From 15cb5ccbbee7abb8ce253632bc2c4febdfaedca5 Mon Sep 17 00:00:00 2001
From: Julian Weigt <juw@posteo.de>
Date: Mon, 9 Feb 2026 18:51:46 +0100
Subject: Add more comments to code.

---
 makefile | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'makefile')

diff --git a/makefile b/makefile
index a55b47f..fcdc6fa 100644
--- a/makefile
+++ b/makefile
@@ -3,14 +3,23 @@
 CFILES = charf.c misc.h misc.c
 CDEPS = $(CFILES) misc.h
 CFLAGS = -lm -pthread -O3 -march=native -pipe -pedantic -Wextra#-Wall
+# -lm: link math
+# -pthread: use multithreading
+# -O3: most aggressive optimization of binary
+# -pipe: use RAM instead of disk for temporary files
+# -pedantic:
+# -Wextra: more warnings
 
 all: charf_approx charf_exact charf_error
 
+# use floating point computations
 charf_approx: $(CDEPS) double.h double.c
 	gcc -o $@ -D MODE=0 $(CFILES) double.c $(CFLAGS)
 
+# use floating point computations with error bounds
 charf_error: $(CDEPS) double-error.h double-error.c
 	gcc -o $@ -D MODE=1 $(CFILES) double-error.c $(CFLAGS)
 
+# use fractions
 charf_exact: $(CDEPS) ratio.h ratio.c
 	gcc -o $@ -D MODE=2 $(CFILES) ratio.c $(CFLAGS)
-- 
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