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[/] [ft816float/] [trunk/] [posit_test_bench/] [positToFp_tb.sv] - Rev 69
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`timescale 1ns / 1ps
module positToFp_tb;
function [31:0] log2;
input reg [31:0] value;
begin
value = value-1;
for (log2=0; value>0; log2=log2+1)
value = value>>1;
end
endfunction
parameter N=32;
parameter E=8;
parameter Bs=log2(N);
parameter es = 3;
reg [N-1:0] in;
reg clk;
wire [N-1:0] out;
// Instantiate the Unit Under Test (UUT)
positToFp #(.FPWID(N), .PSTWID(N), .es(es)) u1 (
.i(in),
.o(out)
);
initial begin
// Initialize Inputs
clk = 1;
// Wait 100 ns for global reset to finish
#101 in = 65535;
#655360
$fclose(outfile);
$finish;
end
always #5 clk=~clk;
always @(posedge clk) begin
if (in < 32'hffffffff)
in <= in + 65535;
end
integer outfile;
initial outfile = $fopen("d:/cores5/Gambit/v5/rtl/cpu/fpu/test_bench/positToFp_tvo32.txt", "wb");
always @(negedge clk) begin
$fwrite(outfile, "%h\t%h\n",in,out);
end
endmodule
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