--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/rDiff/src/locfit/Source/tube.h	Thu Feb 14 23:38:36 2013 -0500
@@ -0,0 +1,53 @@
+/*
+ * Copyright 1996-2006 Catherine Loader.
+ */
+/*
+ *   Copyright (c) 1998-2006 Catherine Loader
+ *   See README file for details.
+ *
+ *
+ *   Headers for the tube library.
+ */
+
+#ifndef I_TUBE_H
+#define I_TUBE_H
+
+/*
+ * public functions needed by routines calling the tube library.
+ */
+extern double critval();
+extern double tailp(), taild();
+extern int tube_constants();
+extern int k0_reqd();
+
+/*
+ * stuff used internally.
+ */
+
+#include "stdlib.h"
+#include "mut.h"
+
+#define TUBE_MXDIM 10
+
+/*
+ * definitions for integration methods.
+ * these match locfit evaluation structures where applicable.
+ */
+
+#define ISIMPSON  4    /* grid */
+#define ISPHERIC 11    /* circle or sphere */
+#define IDERFREE 25    /* derivative free */
+#define IMONTE   30    /* monte carlo */
+
+#ifndef PI
+#define PI    3.141592653589793238462643
+
+#endif
+
+#define ONE_SIDED 1
+#define TWO_SIDED 2
+
+#define UNIF    400
+#define GAUSS   401
+#define TPROC   402
+#endif  /* define I_TUBE_H */