test of COMPLEX 

x+y
1 + i 1
x-y
1 - i 1
x*y
0 + i 1
x/y
0 - i 1
arg(x)
0
module(x)
1
x^y
1 + i 0
conjugue(x)
1 + i 0
sin(x)
0.8414709848078965 + i 0
cos(x)
0.54030230586813977 + i 0
tan(x)
1.5574077246549021 + i 0
exp(x)
2.7182818284590451 + i 0
log(x)
0 + i 0
x+y
2 + i 4
x-y
2 - i 4
x*y
0 + i 8
x/y
0 - i 0.5
arg(x)
0
module(x)
2
x^y
-0.93268707683607111 + i 0.36068659068918102
conjugue(x)
2 + i 0
sin(x)
0.90929742682568171 + i 0
cos(x)
-0.41614683654714241 + i 0
tan(x)
-2.1850398632615193 + i 0
exp(x)
7.3890560989306504 + i 0
log(x)
0.69314718055994529 + i 0
x+y
-3 + i 7
x-y
-7 + i 1
x*y
-22 - i 7
x/y
0.15384615384615391 + i 1.7692307692307692
arg(x)
2.4668517113662407
module(x)
6.4031242374328485
x^y
-0.011821399482548255 - i 0.0220823345395211
conjugue(x)
-5 - i 4
sin(x)
26.186527364609208 + i 7.7411175532477401
cos(x)
7.7463130074030744 - i 26.168964053872838
tan(x)
0.00036520305451130409 + i 1.0005630461157933
exp(x)
-0.0044042160736693318 - i 0.005099295102160447
log(x)
1.856786033352154 + i 2.4668517113662407