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https://github.com/steveicarus/iverilog.git
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Stephen Williams
cea237b407
By adding ivtest to the iverilog source tree, it is easier to keep the regression test synchronized with the source that is being tested. This should be especially helpful for PRs that add a new feature, and have a matching ivtest PR with the regression test for that feature.
28 lines
397 B
Verilog
28 lines
397 B
Verilog
module nested_func();
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function automatic real sum;
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input real a;
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input real b;
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begin
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sum = a + b;
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end
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endfunction
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real r1;
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real r2;
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real r3;
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initial begin
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r1 = sum(sum(2, 3), sum(4, 5));
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r2 = sum(3, sum(4, sum(5, 6)));
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r3 = sum(sum(sum(4, 5), 6), 7);
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$display("sum of 2 to 5 = %0d", r1);
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$display("sum of 3 to 6 = %0d", r2);
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$display("sum of 4 to 7 = %0d", r3);
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end
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endmodule
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