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.

1 files changed, 21 insertions, 0 deletions

diff --git a/ext/dsent/libutil/MathUtil.h b/ext/dsent/libutil/MathUtil.h
new file mode 100644
index 000000000..1f3341ee1
--- /dev/null
+++ b/ext/dsent/libutil/MathUtil.h
@@ -0,0 +1,21 @@
+#ifndef __MATH_H__
+#define __MATH_H__
+
+#include <cmath>
+
+namespace LibUtil
+{
+    class Math
+    {
+        public:
+            static const double epsilon;
+
+            static inline bool isEqual(double value1_, double value2_)
+            {
+                return (std::fabs(value1_ - value2_) < epsilon);
+            }
+    };
+} // namespace LibUtil
+
+#endif // __MATH_H__
+