Coverpoint bins for fractional values

SystemVerilog
,
1

Hi,

I have a coverpoint cp and I have defined bins like below:

coverpoint cp{
bins b[4]={[1:2]}
}

My intention is to have 4 bins with values {1,1,25} {1.25,1.5} …

But I get following error when I compile:

Number of bins 4 is greater than total number of states (2) in the bin

What’s the best approach to resolve this?

Thank you

2

You don’t show enough information to reproduce your issue. What is the data type of cp?

Can you post a complete runnable example which reproduces your issue?

3

For example,

logic[63:0] cp

I want 4 bins between integer 1 and 2, but I guess bins can’t have fractional values. Looking for the best way to resolve this

4

A variable declared as logic[63:0] can only have integral values (1, 2, 3…). It can’t have a value of 1.5 or 1.25. You can use real variables and declare covergroups as you are describing.

5

Thanks, I will try this out.