Hi, I can’t understand how covergroup sample works In my transaction I randomize the values. For example, // inputs rand bit[7:0] a; rand bit[7:0] b; rand bit[3:0] opcode; //outputs logic [15:0] res; bit error; constraint c_a {a >=0 ; a <=255;} constraint c_b {b >=0 ; b <=255;…

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alexd555 June 14, 2019, 7:52am 5

Could you give me an example ?
I want that b = 0 at least for example

Can't understand how covergroup sample works