Upgrade extract.pl.

[loba.git] / cost_func.h

diff --git a/cost_func.h b/cost_func.h
index ed97dcf028b207de51e8e4d484081fe0470c0601..d7310d2d412bb789ee1638bba3f09e1e7a8b8d5e 100644 (file)
--- a/cost_func.h
+++ b/cost_func.h
@@ -4,6 +4,9 @@
 #include <iostream>
 #include <string>
 
+// Define a polynomial function
+// The factors are given at construction time, in a C-style string,
+// separated by commas (eg. "1, 2, 3" for x^2 + 2x +3).
 class cost_func {
 public:
     cost_func(const char* param);