User guide

24-74

SystemVerilog Testbench Constructs

All these values are equally probable.

In the following example, the inside operator is used to specify

possible values in an integer array:

program test;

class pkt;

integer bills[0:8] = { 1, 2, 5, 10, 20, 50, 100, 500,

1000 };

rand integer v;

constraint c4 { v inside bills; }

endclass

int result;

pkt Pkt=new();

initial

begin

repeat (10) begin

result = Pkt.randomize();

$display("v is %d\n",Pkt.v);

end

endprogram

The $display system task displays the following:

v is 1

v is 100

v is 1000

v is 500

v is 10

v is 1

v is 20

v is 1