Files
iverilog/ivtest/ivltests/constfunc1.v
T
Stephen Williams cea237b407 Add ivtest to the iverilog source tree
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.
2022-01-15 10:18:50 -08:00

54 lines
1000 B
Verilog

module constfunc1();
function integer median;
input integer a;
input integer b;
input integer c;
begin
if (a < b)
begin
if (a < c)
median = (b < c) ? b : c;
else
median = a;
end
else
begin
if (a < c)
median = a;
else
median = (b < c) ? c : b;
end
end
endfunction
localparam value1 = median(1, 2, 3);
localparam value2 = median(1, 3, 2);
localparam value3 = median(2, 1, 3);
localparam value4 = median(2, 3, 1);
localparam value5 = median(3, 1, 2);
localparam value6 = median(3, 2, 1);
initial begin
$display("value 1 = %0d", value1);
$display("value 2 = %0d", value2);
$display("value 3 = %0d", value3);
$display("value 4 = %0d", value4);
$display("value 5 = %0d", value5);
$display("value 6 = %0d", value6);
if ((value1 === 2)
&& (value2 === 2)
&& (value3 === 2)
&& (value4 === 2)
&& (value5 === 2)
&& (value6 === 2))
$display("PASSED");
else
$display("FAILED");
end
endmodule