T=d f ld
V=x
R=-3,3,0.5
F=1*(log10(abs(x))=log10(1)) + \
  2*(log10(abs(x))<log10(1)) + \
  4*(log10(abs(x))<=log10(1)) + \
  8*(log10(abs(x))>log10(1)) + \
  16*(log10(abs(x))>=log10(1)) + \
  32*(log10(abs(x))!=log10(1))
C=1*fp_equal(fp_log10(fp_abs(x)),fp_log10(1)) + \
  2*fp_less(fp_log10(fp_abs(x)),fp_log10(1)) + \
  4*fp_lessOrEq(fp_log10(fp_abs(x)),fp_log10(1)) + \
  8*fp_greater(fp_log10(fp_abs(x)),fp_log10(1)) + \
  16*fp_greaterOrEq(fp_log10(fp_abs(x)),fp_log10(1)) + \
  32*fp_nequal(fp_log10(fp_abs(x)),fp_log10(1))
