1 files changed, 0 insertions, 71 deletions
diff --git a/tests/xilinx_ug901/cmult.v b/tests/xilinx_ug901/cmult.v
deleted file mode 100644
index d5d85a28c..000000000
--- a/tests/xilinx_ug901/cmult.v
+++ /dev/null
@@ -1,71 +0,0 @@
-//
-// Complex Multiplier (pr+i.pi) = (ar+i.ai)*(br+i.bi)
-// file: cmult.v
-
-module cmult # (parameter AWIDTH = 16, BWIDTH = 18)
-   (
-    input clk,
-    input signed [AWIDTH-1:0]      ar, ai,
-    input signed [BWIDTH-1:0]      br, bi,
-    output signed [AWIDTH+BWIDTH:0] pr, pi
-   );
-
-reg signed [AWIDTH-1:0] ai_d, ai_dd, ai_ddd, ai_dddd   ; 
-reg signed [AWIDTH-1:0] ar_d, ar_dd, ar_ddd, ar_dddd   ; 
-reg signed [BWIDTH-1:0] bi_d, bi_dd, bi_ddd, br_d, br_dd, br_ddd ; 
-reg signed [AWIDTH:0]  addcommon     ; 
-reg signed [BWIDTH:0]  addr, addi     ; 
-reg signed [AWIDTH+BWIDTH:0] mult0, multr, multi, pr_int, pi_int  ; 
-reg signed [AWIDTH+BWIDTH:0] common, commonr1, commonr2   ; 
-  
-always @(posedge clk)
- begin
-  ar_d   <= ar;
-  ar_dd  <= ar_d;
-  ai_d   <= ai;
-  ai_dd  <= ai_d;
-  br_d   <= br;
-  br_dd  <= br_d;
-  br_ddd <= br_dd;
-  bi_d   <= bi;
-  bi_dd  <= bi_d;
-  bi_ddd <= bi_dd;
- end
- 
-// Common factor (ar ai) x bi, shared for the calculations of the real and imaginary final products
-// 
-always @(posedge clk)
- begin
-  addcommon <= ar_d - ai_d;
-  mult0     <= addcommon * bi_dd;
-  common    <= mult0;
- end
-
-// Real product
-//
-always @(posedge clk)
- begin
-   ar_ddd   <= ar_dd;
-   ar_dddd  <= ar_ddd;
-   addr     <= br_ddd - bi_ddd;
-   multr    <= addr * ar_dddd;
-   commonr1 <= common;
-   pr_int   <= multr + commonr1;
- end
-
-// Imaginary product
-//
-always @(posedge clk)
- begin
-  ai_ddd   <= ai_dd;
-  ai_dddd  <= ai_ddd;
-  addi     <= br_ddd + bi_ddd;
-  multi    <= addi * ai_dddd;
-  commonr2 <= common;
-  pi_int   <= multi + commonr2;
- end
-
-assign pr = pr_int;
-assign pi = pi_int;
-   
-endmodule // cmult