From 76b5adb72c108cb3c879f7da3dba37a33437b85c Mon Sep 17 00:00:00 2001
From: Erik Kooistra <kooistra@astron.nl>
Date: Tue, 20 Oct 2015 07:52:22 +0000
Subject: [PATCH] Added usage comment.

---
 libraries/base/common/tb/vhdl/tb_common_complex_mult.vhd | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/libraries/base/common/tb/vhdl/tb_common_complex_mult.vhd b/libraries/base/common/tb/vhdl/tb_common_complex_mult.vhd
index c3dd86ab5a..c81f6e8b38 100644
--- a/libraries/base/common/tb/vhdl/tb_common_complex_mult.vhd
+++ b/libraries/base/common/tb/vhdl/tb_common_complex_mult.vhd
@@ -18,6 +18,13 @@
 -- along with this program.  If not, see <http://www.gnu.org/licenses/>.
 --
 -------------------------------------------------------------------------------
+-- Purpose: Verify different architectures of common_complex_mult
+-- Description:
+--   p_verify verifies that the instances of common_complex_mult all yield the
+--   expected results and ASSERTs an ERROR in case they differ.
+-- Usage:
+-- > as 10
+-- > run -all  -- signal tb_end will stop the simulation by stopping the clk
 
 LIBRARY IEEE;
 USE IEEE.std_logic_1164.ALL;
-- 
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