testing komplex_add...
a= 1 + 2i
b= 1 + 2i
a+b should=     2 + 4i
a+b actually=   2 + 4i
test passed

testing komplex_conjugate...
a= 1 + 2i
a* should=    1 + -2i
a* actually=  1 + -2i
test passed

testing komplex_exp...
a= 1 + 2i
exp(a) should=    -1.1312 + 2.47173i
exp(a) actually=  -1.1312 + 2.47173i
test passed