Initial revision

Author: mmaechler

Calling

@@ -0,0 +1,24 @@
+R Function	C Functions(s) called			SRC file
+~~~~~~~~~~	~~~~~~~~~~~~~~~~~~~~~			~~~~~~~~
+
+fracdiff()	fracdf	(main routine)			src/fdcore.c
+		 \--> fdcom(), dopt()
+
+		fdhpq	("hess")			src/fdhess.c
+		 \--> hesspq()
+
+		fdcov	("cov" and "cor" from hess etc)	   "
+		 \--> hesdpq(); dsvdc() & invsvd_()
+
+    {{TODO: how exactly are hesspq() and hessdpq() related ??? }}
+
+
+fracdiff.var	fdcom	(init common blocks)		src/fdhess.c
+		fdcov	 <see above >			   "
+
+fracdiff.sim	fdsim					src/fdsim.c
+
+
+---
+see also ./src/ftn-struc
+---	 ~~~~~~~~~~~~~~~