T=d f ld
V=x
R=-1,1,0.25
F=(sin(x) > 1) + \
  2*(1 < sin(x)) + \
  4*(sin(x) < 1) + \
  8*(1 > sin(x))
C=fp_greater(fp_sin(x), 1) + \
  2*fp_less(1, fp_sin(x)) + \
  4*fp_less(fp_sin(x), 1) + \
  8*fp_greater(1, fp_sin(x))
