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Showing results for tags 'inside'.
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How can I use "randomize() with" along with "inside", on the same line? Below is some code that solves the problem using >= and <=, but I'd like to use "inside". module top; class aclass; int index; function void get_latency; //assert (randomize(index) with {index inside {[1:5]}}) else begin //WHAT IS THE PROPER SYNTAX? //assert (randomize(index) inside {[1:5]}) else begin //WHAT IS THE PROPER SYNTAX? assert (randomize(index) with {index<=5; index>=1;}) else begin //WORKS $display("ERROR: We failed!"); $finish; end $display("RESULT: index=%0d",index); endfunction endclass initial begin aclass a_class=new(); a_class.get_latency(); $finish; end endmodule I often grapple with the "randomize with" syntax, getting confused with squiggly brackets and semicolons, and refer to the LRM. (Any tips that will stick in my head are welcome.)
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*, How can I randomize with a dist and specify a weight for values not being inside a range? class randclass; rand logic [3:0] randvalue; function void post_randomize(); $display("value: %0d",randvalue); endfunction constraint inside_practice { randvalue dist { [3:4] :/ 50, !(inside {[3:4]}) :/ 50 //<--- I try to have a sort of 'others' category here }; } endclass module top; randclass randclass; initial begin randclass = new(); repeat (10) begin randclass.randomize(); end $finish(); end endmodule Reference: https://www.edaplayground.com/x/cV5 shaking off the rust after a SystemVerilog hiatus, thanks
