Index: trunk/Ohana/src/opihi/include/data.h
===================================================================
--- trunk/Ohana/src/opihi/include/data.h	(revision 41891)
+++ trunk/Ohana/src/opihi/include/data.h	(revision 42332)
@@ -133,7 +133,7 @@
 
 /* in spline.c */
-void spline_construct_flt (float *x, float *y, int N, float *y2);
+void spline_construct_flt (float *x, float *y, int N, float *y2, float dyLower, float dyUpper);
 float spline_apply_flt (float *x, float *y, float *y2, int N, float X);
-void spline_construct_dbl (opihi_flt *x, opihi_flt *y, int N, opihi_flt *y2);
+void spline_construct_dbl (opihi_flt *x, opihi_flt *y, int N, opihi_flt *y2, opihi_flt dyLower, opihi_flt dyUpper);
 opihi_flt spline_apply_dbl (opihi_flt *x, opihi_flt *y, opihi_flt *y2, int N, opihi_flt X);