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diff --git a/math/fftpack/pkg-descr b/math/fftpack/pkg-descr
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@@ -1,5 +1,21 @@
-This package consists of programs which perform Fast Fourier Transforms
-for both complex and real periodic sequences and certain other symmetric
-sequences.
+/netlib/bihar
+ FFTPACK (double precision version)
- Paul Swarztrauber, NCAR.
+ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+
+ The routines in this directory are from netlib/bihar.
+ Although, they look like they are derivatives of the following
+ package.
+
+ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+
+ version 4 april 1985
+
+
+ This package consists of programs which perform Fast Fourier
+ Transforms for both complex and real periodic sequences and
+ certain other symmetric sequences.
+
+ Paul Swarztrauber, NCAR.
+
+ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *