TARGETS1 = sum.o

TARGETS2 = OFL.o 

TARGETS3 = UFL.o 

TARGETS4 = eps.o 


# -fPIC  ... warning: variable is never used
#FFLAGS=  -fPIC -fdefault-real-8  -w

## optimize for computations
FFLAGS=  -fPIC -fdefault-real-8 -fopenmp -O2 -w -ffpe-trap=invalid,zero,overflow

# for debugging of the code
#FFLAGS= -fPIC -fdefault-real-8 -g -fbacktrace -fbounds-check -w -Wall -finit-real=nan -finit-integer=-999999 -fno-align-commons -ffpe-trap=invalid,zero,overflow,denormal

FXX=gfortran


all: sum OFL UFL eps


sum: $(TARGETS1)
	$(FXX) $(FFLAGS) -o sum $^ 

OFL: $(TARGETS2)
	$(FXX) $(FFLAGS) -o OFL $^ 

UFL: $(TARGETS3)
	$(FXX) $(FFLAGS) -o UFL $^ 

eps: $(TARGETS4)
	$(FXX) $(FFLAGS) -o eps $^ 


clean:
	rm -f *.o

%.o:%.f90
	$(FXX) $(FFLAGS) -c $?