Index: trunk/Ohana/src/opihi/scripts/test.pro
===================================================================
--- trunk/Ohana/src/opihi/scripts/test.pro	(revision 2598)
+++ trunk/Ohana/src/opihi/scripts/test.pro	(revision 3689)
@@ -1,2 +1,39 @@
+
+macro testfit
+ create x 0 1000
+ set y = 3 + 5*x
+ set dy = 10*(rnd(x) - 0.5)
+ set yr = y + dy
+ fit x yr 1
+ echo $Cn, $Cnv
+ echo $dC
+
+ yr[100] = yr[100] + 50
+ yr[200] = yr[200] - 50
+ yr[300] = yr[300] + 100
+ yr[400] = yr[400] - 500
+ yr[500] = yr[500] + 30
+
+ fit x yr 1
+ echo $Cn, $Cnv
+ echo $dC
+
+ fit x yr 1 -clip 3 3
+ echo $Cn, $Cnv
+ echo $dC
+end
+# expected output:
+# y = 3.013781 x^0 5.000005 x^1
+#     0.063198     0.000110
+# 1, 1000
+# 2.91071543189
+# y = 2.495040 x^0 5.000303 x^1
+#     0.063198     0.000110
+# 1, 1000
+# 16.5928919554
+# y = 3.021974 x^0 4.999991 x^1
+#     0.063419     0.000110
+# 1, 995
+# 2.90820510001
 
 macro testloops