when we don’t use any random variables at this time. if we want to write a constraint. for some pattern like 0 → 1 → 2 → 0. if 0 comes in the 1st randomization then in next randomization 1 will come and next 2 and next 0 like this the pattern is. i write this constraint. std::randomize(a) with…

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dave_59 December 30, 2024, 5:04pm 4

Hi , I was trying to understand working of const’() cast. LRM 6.24.1 mentions An expression may be changed to a constant with a const cast. const'(x) Consider the following code : class C; rand bit[2:0] a ; function void pre_randomize(); // 'a' could be assigned here endfunction constraint CONST { a == const'(a) + 1 ; } function void post_randomize(); // 'a' could be assigned here endfunction endclass C c1; module test; initial begin c1 = new(); r…

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