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8bitworkshop/test/cli/verilog/t_vams_basic.v

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// DESCRIPTION: Verilator: Verilog Test module
//
// This file ONLY is placed under the Creative Commons Public Domain, for
// any use, without warranty, 2011 by Wilson Snyder.
// SPDX-License-Identifier: CC0-1.0
`begin_keywords "VAMS-2.3"
module t (/*AUTOARG*/
// Inputs
clk
);
input clk;
task check (integer line, real got, real expec);
real delta;
delta = got-expec;
if (delta > 0.001) begin
$display("Line%d: Got %g Exp %g\n", line, got, expec);
$stop;
end
endtask
wreal wr;
assign wr = 1.1;
sub sub (.*);
initial begin
check(`__LINE__, sqrt(2.0) , 1.414);
check(`__LINE__, pow(2.0,2.0) , 4.0);
check(`__LINE__, ln(2.0) , 0.693147);
check(`__LINE__, log(2.0) , 0.30103);
check(`__LINE__, floor(2.5) , 2.0);
check(`__LINE__, exp(2.0) , 7.38906);
check(`__LINE__, ceil(2.5) , 3.0);
$write("*-* All Finished *-*\n");
$finish;
end
endmodule
module sub (
input wreal wr
);
initial begin
if (wr != 1.1) $stop;
end
endmodule