Merge branch 'master' into lilypond/translation

[lilypond.git] / flower / polynomial.cc

diff --git a/flower/polynomial.cc b/flower/polynomial.cc
index f6f229128074b8a5f8413a24149d3dc734cf05d6..5dc1f01db19359257b900364883449472e0bc6fd 100644 (file)
--- a/flower/polynomial.cc
+++ b/flower/polynomial.cc
@@ -1,12 +1,29 @@
 /*
-  poly.cc -- routines for manipulation of polynomials in one var
+  This file is part of LilyPond, the GNU music typesetter.
 
-  (c) 1993--2006 Han-Wen Nienhuys <hanwen@xs4all.nl>
+  Copyright (C) 1993--2010 Han-Wen Nienhuys <hanwen@xs4all.nl>
+
+  LilyPond is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  LilyPond is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with LilyPond.  If not, see <http://www.gnu.org/licenses/>.
 */
 
 #include "polynomial.hh"
 
+#include "warn.hh"
+
 #include <cmath>
+
+
 using namespace std;
 
 /*
@@ -167,10 +184,7 @@ Polynomial::check_sol (Real x) const
   Real d = p.eval (x);
 
   if (abs (f) > abs (d) * FUDGE)
-    ;
-  /*
-    warning ("x=%f is not a root of polynomial\n"
-    "f (x)=%f, f' (x)=%f \n", x, f, d);        */
+    programming_error ("not a root of polynomial\n");
 }
 
 void