From e8ed7b1d1b5bef31e9874f679a5797c2e00d06f1 Mon Sep 17 00:00:00 2001
From: Nilay Vaish <nilay@cs.wisc.edu>
Date: Sat, 11 Oct 2014 15:02:23 -0500
Subject: ext: add the source code for DSENT This patch adds a tool called
 DSENT to the ext/ directory.  DSENT is a tool that models power and area for
 on-chip networks.  The next patch adds a script for using the tool.

---
 ext/dsent/model/optical_graph/OpticalFilter.cc | 65 ++++++++++++++++++++++++++
 1 file changed, 65 insertions(+)
 create mode 100644 ext/dsent/model/optical_graph/OpticalFilter.cc

(limited to 'ext/dsent/model/optical_graph/OpticalFilter.cc')

diff --git a/ext/dsent/model/optical_graph/OpticalFilter.cc b/ext/dsent/model/optical_graph/OpticalFilter.cc
new file mode 100644
index 000000000..1bac9a8c9
--- /dev/null
+++ b/ext/dsent/model/optical_graph/OpticalFilter.cc
@@ -0,0 +1,65 @@
+
+#include "model/optical_graph/OpticalFilter.h"
+
+namespace DSENT
+{
+    OpticalFilter::OpticalFilter(const String& instance_name_, OpticalModel* model_, const WavelengthGroup& wavelengths_, bool drop_all_, const WavelengthGroup& drop_wavelengths_)
+        : OpticalNode(OpticalNode::FILTER, instance_name_, model_, wavelengths_), m_drop_all_(drop_all_), m_drop_wavelengths_(drop_wavelengths_)
+    {
+        m_drop_loss_ = 0.0;
+        m_drop_port_ = NULL;
+    }
+
+    OpticalFilter::~OpticalFilter()
+    {
+
+    }
+    
+    bool OpticalFilter::getDropAll() const
+    {
+        return m_drop_all_;
+    }
+
+    WavelengthGroup OpticalFilter::getDropWavelengths() const
+    {
+        return m_drop_wavelengths_;
+    }
+
+    void OpticalFilter::setDropLoss(double drop_loss_)
+    {
+        m_drop_loss_ = drop_loss_;
+        return;
+    }
+    
+    double OpticalFilter::getDropLoss() const
+    {
+        return m_drop_loss_;
+    }
+
+    void OpticalFilter::setDropPort(OpticalNode* drop_port_)
+    {
+        m_drop_port_ = drop_port_;
+    }
+    
+    OpticalNode* OpticalFilter::getDropPort()
+    {
+        return m_drop_port_;
+    }
+    
+    bool OpticalFilter::isDropped(const WavelengthGroup& wavelengths_) const
+    {
+        // Check that the lower limits are within bounds
+        bool lower_match = (wavelengths_.first >= getDropWavelengths().first);
+        // Check that the upper limits are within bounds
+        bool upper_match = (wavelengths_.second <= getDropWavelengths().second);
+        // Assert that there are no misalignments
+        ASSERT(lower_match == upper_match, "[Error] " + getInstanceName() +
+            " -> Wavelength group misalignment!" + 
+            " InWavelength" + toString(wavelengths_) + 
+            ", DropWavelength" + toString(getDropWavelengths()));
+        // Both upper and lower bounds must match
+        return (upper_match && lower_match);
+    }
+} // namespace DSENT
+
+
-- 
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