non supported functions in hdl coder

Hi everyone!I'm working with HDL Coder and i'm having a problem with the fixed point step.It is mentionned that the functions rand,randn,kron are not supported.Could you please tell me how to replace them or is there a trick to overcome this error??

Answer 1

[Walter Roberson]

http://vhdlguru.blogspot.ca/2010/03/random-number-generator-in-vhdl.html

http://stackoverflow.com/questions/14497877/how-to-implement-a-pseudo-hardware-random-number-generator