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module top;
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reg pass = 1'b1;
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real in;
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wire [7:0] out = in;
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initial begin
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// $monitor(in,, out);
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in = sqrt(-1.0);
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#1;
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if (out !== 8'bxxxxxxxx) begin
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$display("Failed: nan expected 8'bxxxxxxxx, got %b", out);
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pass = 1'b0;
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end
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if (pass) $display("PASSED");
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end
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endmodule
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