example 1
-5/3
-3.519610889660416666666666666666666666653e13
-3.51962e13
-2.002c@11

example 2
-1.42857142857142857214e15
-11702857142857142863/8192
0

example 3
f = -4.75
GMP_RNDD    : -5.0000000000
GMP_RNDU    : -4.0000000000
GMP_RNDZ    : -4.0000000000
GMP_RND_MAX : -5.0000000000
GMP_RNDN    : -5.0000000000
z = -4

example 4
10 random numbers, each 4 bits
uniformly distributed between 0<=f<1
(sorted after generating)
0
1.88e-1
2.50e-1
3.12e-1
3.12e-1
5.00e-1
5.00e-1
5.62e-1
7.50e-1
8.75e-1

example 5
t = 8.0000
sin(t), cos(t) = 9.8935824662338177780812359824507e-1  -1.4550003380861354e-1
sin(t), cos(t) = 9.8935824662338177780812359824507e-1  -1.4550003380861354e-1
9.9999999999999999999999999999921e-1
1.6956855320737799287917402938778e-31