supports FP16, FP32 and FP64. It is a general-purpose unit that
may be used in any project (not limited to one specific processor).
+# Requirements
+
+* nmigen
+* yosys (latest git repository, required by nmigen)
+* sfpy (running unit tests). provides python bindings to berkeley softfloat-3
+
# Useful resources
* https://en.wikipedia.org/wiki/IEEE_754-1985