CFLAGS = -Wall -Werror -std=c99 -O
CFLAGS += `gsl-config --cflags`
LDLIBS += `gsl-config --libs`
ECHO = /bin/echo

mysin.png: plot.gpi data Makefile
	$(ECHO) 'set term png; OUT="$@"; DATA="$(word 2,$^)"' | cat - $< | gnuplot

data: main
	./$< > $@

clean:
	$(RM) plot.png data main