1 files changed, 0 insertions, 42 deletions
diff --git a/tests/xilinx_ug901/squarediffmult.v b/tests/xilinx_ug901/squarediffmult.v
deleted file mode 100644
index 0f41b67bc..000000000
--- a/tests/xilinx_ug901/squarediffmult.v
+++ /dev/null
@@ -1,42 +0,0 @@
-// Squarer support for DSP block (DSP48E2) with 
-// pre-adder configured
-// as subtractor
-// File: squarediffmult.v
-
-module squarediffmult # (parameter SIZEIN = 16)
-                        (
-                          input clk, ce, rst,
-                          input  signed [SIZEIN-1:0]   a, b,
-                          output signed [2*SIZEIN+1:0] square_out
-                        );
-
-   // Declare registers for intermediate values
-reg signed [SIZEIN-1:0]   a_reg, b_reg;
-reg signed [SIZEIN:0]     diff_reg;
-reg signed [2*SIZEIN+1:0] m_reg, p_reg;
-
-always @(posedge clk)
-begin
- if (rst)
-  begin
-   a_reg    <= 0;
-   b_reg    <= 0;
-   diff_reg <= 0;   
-   m_reg    <= 0;
-   p_reg    <= 0;
-  end
- else
-  if (ce)
-  begin
-    a_reg     <= a;
-    b_reg     <= b;
-    diff_reg <= a_reg - b_reg;
-    m_reg  <= diff_reg * diff_reg;
-    p_reg  <= m_reg;     
- end
-end
-
-// Output result
-assign square_out = p_reg;
-   
-endmodule // squarediffmult