fre 0.000000e+00 ->  inf
fre inf -> 0.0e+00
fre -inf -> -0.0e+00
fre nan ->  nan
fre -nan -> -nan
fre -5.000000e+100 -> -2.0e-101
fre -5.000000e+20 -> -2.0e-21
fre -5.010000e+02 -> -2.0e-03
fre -6.000000e+00 -> -1.7e-01
fre -1.010000e+00 -> -9.9e-01
fre -2.000000e-20 -> -5.0e+19
fre -2.000000e-200 -> -5.0e+199
fre 2.000000e-200 -> 5.0e+199
fre 2.000000e-20 -> 5.0e+19
fre 1.010000e+00 -> 9.9e-01
fre 6.000000e+00 -> 1.7e-01
fre 5.010000e+02 -> 2.0e-03
fre 5.000000e+20 -> 2.0e-21
fre 5.000000e+100 -> 2.0e-101

fres 0.000000e+00 ->  inf
fres inf -> 0.0e+00
fres -inf -> -0.0e+00
fres nan ->  nan
fres -nan -> -nan
fres -5.000000e+100 -> -0.0e+00
fres -5.000000e+20 -> -2.0e-21
fres -5.010000e+02 -> -2.0e-03
fres -6.000000e+00 -> -1.7e-01
fres -1.010000e+00 -> -9.9e-01
fres -2.000000e-20 -> -5.0e+19
fres -2.000000e-200 -> -inf
fres 2.000000e-200 ->  inf
fres 2.000000e-20 -> 5.0e+19
fres 1.010000e+00 -> 9.9e-01
fres 6.000000e+00 -> 1.7e-01
fres 5.010000e+02 -> 2.0e-03
fres 5.000000e+20 -> 2.0e-21
fres 5.000000e+100 -> 0.0e+00

frsqrte 0.000000e+00 ->  inf
frsqrte inf -> 0.0e+00
frsqrte -inf ->  nan
frsqrte nan ->  nan
frsqrte -nan -> -nan
frsqrte -5.000000e+100 ->  nan
frsqrte -5.000000e+20 ->  nan
frsqrte -5.010000e+02 ->  nan
frsqrte -6.000000e+00 ->  nan
frsqrte -1.010000e+00 ->  nan
frsqrte -2.000000e-20 ->  nan
frsqrte -2.000000e-200 ->  nan
frsqrte 2.000000e-200 -> 7.1e+99
frsqrte 2.000000e-20 -> 7.1e+09
frsqrte 1.010000e+00 -> 1.0e+00
frsqrte 6.000000e+00 -> 4.1e-01
frsqrte 5.010000e+02 -> 4.5e-02
frsqrte 5.000000e+20 -> 4.5e-11
frsqrte 5.000000e+100 -> 4.5e-51

frsqrtes 0.000000e+00 ->  inf
frsqrtes inf -> 0.0e+00
frsqrtes -inf ->  nan
frsqrtes nan ->  nan
frsqrtes -nan -> -nan
frsqrtes -5.000000e+100 ->  nan
frsqrtes -5.000000e+20 ->  nan
frsqrtes -5.010000e+02 ->  nan
frsqrtes -6.000000e+00 ->  nan
frsqrtes -1.010000e+00 ->  nan
frsqrtes -2.000000e-20 ->  nan
frsqrtes -2.000000e-200 ->  nan
frsqrtes 2.000000e-200 -> 7.1e+99
frsqrtes 2.000000e-20 -> 7.1e+09
frsqrtes 1.010000e+00 -> 1.0e+00
frsqrtes 6.000000e+00 -> 4.1e-01
frsqrtes 5.010000e+02 -> 4.5e-02
frsqrtes 5.000000e+20 -> 4.5e-11
frsqrtes 5.000000e+100 -> 4.5e-51