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-rw-r--r--filter.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/filter.h b/filter.h
new file mode 100644
index 0000000..a3b44a4
--- /dev/null
+++ b/filter.h
@@ -0,0 +1,2 @@
+double smooth (char *name, int period, double value);
+double damp (char *name, double value);