1 files changed, 63 insertions, 0 deletions
diff --git a/src/systemc/tests/systemc/misc/sim_tests/biquad/biquad3/biquad.cpp b/src/systemc/tests/systemc/misc/sim_tests/biquad/biquad3/biquad.cpp
new file mode 100644
index 000000000..dd23b001f
--- /dev/null
+++ b/src/systemc/tests/systemc/misc/sim_tests/biquad/biquad3/biquad.cpp
@@ -0,0 +1,63 @@
+/*****************************************************************************
+
+  Licensed to Accellera Systems Initiative Inc. (Accellera) under one or
+  more contributor license agreements.  See the NOTICE file distributed
+  with this work for additional information regarding copyright ownership.
+  Accellera licenses this file to you under the Apache License, Version 2.0
+  (the "License"); you may not use this file except in compliance with the
+  License.  You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+  implied.  See the License for the specific language governing
+  permissions and limitations under the License.
+
+ *****************************************************************************/
+
+/*****************************************************************************
+
+  biquad.cpp -- 
+
+  Original Author: Martin Janssen, Synopsys, Inc., 2002-02-15
+
+ *****************************************************************************/
+
+/*****************************************************************************
+
+  MODIFICATION LOG - modifiers, enter your name, affiliation, date and
+  changes you are making here.
+
+      Name, Affiliation, Date:
+  Description of Modification:
+
+ *****************************************************************************/
+
+/* Filename biquad.cc */
+/* This is the implementation file for synchronous process `biquad' */
+
+#include "biquad.h"
+
+void biquad::entry()
+{
+  float Acc; // Accumulator
+  float sample; // Input sample
+
+  if (reset.read() == true) {
+    Del[0] = Del[1] = Del[2] = Del[3] = 0.0;
+    out.write(0.0);
+  }
+  else {
+    sample = in.read();
+    Acc = Cte[0] * sample;
+    for (int i = 0; i < 4; i++) {
+      Acc += Cte[i+1] * Del[i];
+    }
+    Del[1] = Del[0]; Del[0] = sample;
+    Del[3] = Del[2]; Del[2] = Acc;
+    out.write(Acc);
+  }
+  
+} // end of entry function