F95 = gfortran
FFLAGS =
GNUPLOT = gnuplot

%.o: %.f95
	$(F95) $(FFLAGS) -c $*.f95

objfiles = kind_defs.o fft.o main.o

all: out.txt plot1.png plot2.png

out.txt: main
	./main > out.txt
	cat out.txt

main: $(objfiles) makefile
	$(F95) $(FFLAGS) $(objfiles) -o main

plot1.png: spectrum.dat spectrum.gnuplot
	$(GNUPLOT) spectrum.gnuplot

plot2.png: filtered.dat filter.gnuplot
	$(GNUPLOT) filter.gnuplot

clean:
	rm -f $(objfiles) core* main *.mod *.dat *~