refactor weighted-maxsat into separate files

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

src/opt/wmax.h

@@ -0,0 +1,30 @@
+/*++
+Copyright (c) 2014 Microsoft Corporation
+
+Module Name:
+
+    wmax.h
+
+Abstract:
+
+    Theory Solver based MaxSAT.
+
+Author:
+
+    Nikolaj Bjorner (nbjorner) 2014-4-17
+
+Notes:
+
+--*/
+
+#ifndef _WMAX_H_
+#define _WMAX_H_
+
+#include "maxsmt.h"
+
+namespace opt {
+    maxsmt_solver_base* mk_wmax(ast_manager& m, opt_solver* s, params_ref& p,
+                                vector<rational> const& ws, expr_ref_vector const& soft);
+
+}
+#endif