all: straighten
	echo All up to date

straighten: straighten.c
	cc -g -o straighten straighten.c -lm -lnetpbm
	ctohtml straighten.c < straighten.c > straighten.c.html

test:	straightened.png
	./straighten test.pnm
	pnmtopng straightened.pnm > straightened.png
	pnmtopng unstraightened.pnm > unstraightened.png