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	CC = gcc
	CFLAGS = -O3 -ftree-vectorize
	LDFLAGS = -lm

	all: code

	# This make file cut the compilation in 3 phases only for the purpose to show the phases

	# compilation : assembly to machine code
	code.o: code.s
	@echo ""; echo ""
	@echo " >> $(CC) -c $(CFLAGS) $< -o $@"
	@$(CC) -c $(CFLAGS) $< -o $@
	@objdump -d $@

	# compilation : code to assembly code
	code.s: code.i
	@echo ""; echo ""
	@echo " >> $(CC) -S $(CFLAGS) $< -o $@"
	@$(CC) -S $(CFLAGS) $< -o $@
	@cat $@

	# precompilation
	code.i: code.c
	@echo ""; echo ""
	@echo " >> $(CC) -E $(CFLAGS) $< -o $@"
	@$(CC) -E $(CFLAGS) $< -o $@
	@tail -n 12 $@

	# linking
	code: code.o
	@echo ""; echo ""
	@echo " >> $(CC) $(LDFLAGS) code.o -o $@"
	@$(CC) $(LDFLAGS) code.o -o $@

	clean:
	rm -f *.o code code.i code.s