SHELL=bash
all : tri.exe tri.dat

tri.exe: tri.c
	gcc -Wall -g tri.c -o tri.exe

tri.dat: tri.exe
	for ((n=1 ; n<500; n+=5));\
	do ./tri.exe $$n ;             \
	done > tri.dat



tri.png : tri.dat tri.plt
	gnuplot tri.plt
	eog tri.png

joli :
	indent -kr *.c

clean :
	rm *.dat *.png *.exe