28 lines
397 B
Coq
28 lines
397 B
Coq
|
module nested_func();
|
||
|
|
|
||
|
|
function automatic real sum;
|
||
|
|
|
||
|
|
input real a;
|
||
|
|
input real b;
|
||
|
|
|
||
|
|
begin
|
||
|
|
sum = a + b;
|
||
|
|
end
|
||
|
|
|
||
|
|
endfunction
|
||
|
|
|
||
|
|
real r1;
|
||
|
|
real r2;
|
||
|
|
real r3;
|
||
|
|
|
||
|
|
initial begin
|
||
|
|
r1 = sum(sum(2, 3), sum(4, 5));
|
||
|
|
r2 = sum(3, sum(4, sum(5, 6)));
|
||
|
|
r3 = sum(sum(sum(4, 5), 6), 7);
|
||
|
|
$display("sum of 2 to 5 = %0d", r1);
|
||
|
|
$display("sum of 3 to 6 = %0d", r2);
|
||
|
|
$display("sum of 4 to 7 = %0d", r3);
|
||
|
|
end
|
||
|
|
|
||
|
|
endmodule
|