added mathfix.h from ardour1

git-svn-id: svn://localhost/trunk/ardour2@147 d708f5d6-7413-0410-9779-e7cbd77b26cf

libs/pbd3/pbd/mathfix.h

@@ -0,0 +1,34 @@
+/*
+    Copyright (C) 2005 Paul Davis
+ 
+    This program 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 2 of the License, or
+    (at your option) any later version.
+
+    This program 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 this program; if not, write to the Free Software
+    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+    $Id$
+*/
+
+#ifndef __pbd_mathfix_h__
+#define __pbd_mathfix_h__
+
+/* this is necessary to support older releases of OSX where
+   they moved around some of the standard math functions
+*/
+
+#ifdef __APPLE__
+#define powf pow
+#define sqrtf sqrt
+#endif
+
+
+#endif