1 files changed, 30 insertions, 0 deletions
diff --git a/math/nlfit/nllist.x b/math/nlfit/nllist.x
new file mode 100644
index 00000000..d96351c9
--- /dev/null
+++ b/math/nlfit/nllist.x
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+# NL_LIST -- Procedure to order the list used when the NLFIT structure
+# is initialized.
+
+procedure nl_list (list, nlist, nfit)
+
+int	list[ARB]		# list
+int	nlist			# number of elements in the list
+int	nfit			# number of active list elments
+
+int	i, j, nfitp1, ifound
+
+begin
+	nfitp1 = nfit + 1
+
+	do i = 1, nlist {
+	    ifound = 0
+	    do j = 1, nfit {
+		if (list[j] == i)
+		    ifound = ifound + 1
+	    }
+	    if (ifound == 0) {
+		list[nfitp1] = i
+		nfitp1 = nfitp1 + 1
+	    } else if (ifound > 1)
+	        call error (0, "Incorrect parameter ordering in plist")
+	}
+
+	if (nfitp1 != (nlist + 1))
+	    call error (0, "Incorrect parameter ordering in plist")
+end