CFLAGS = -Wall -std=gnu99
LDLIBS = -lm

all : figure.pdf figure.png

figure.png: figure.pdf
	convert -density 200 $< $@

figure.pdf: figure.ps
	ps2pdf $<

figure.ps : figure.gp data
	gnuplot $<

data: main
	./$< > $@

clean:
	$(RM) data main figure.pdf figure.ps figure.png

pwd = a string
test:
	@echo pwd
	@echo `pwd`
	@echo $(pwd)
	@echo $$(pwd)