Channel analyzer: added display of channel power in dB. Changed minus radio button for a iconified toggle button

include/util/db.h

@@ -0,0 +1,28 @@
+///////////////////////////////////////////////////////////////////////////////////
+// Copyright (C) 2015 Edouard Griffiths, F4EXB                                   //
+//                                                                               //
+// 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 as version 3 of the License, or                  //
+//                                                                               //
+// 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 V3 for more details.                               //
+//                                                                               //
+// You should have received a copy of the GNU General Public License             //
+// along with this program. If not, see <http://www.gnu.org/licenses/>.          //
+///////////////////////////////////////////////////////////////////////////////////
+
+#ifndef INCLUDE_UTIL_DB_H_
+#define INCLUDE_UTIL_DB_H_
+
+#include "dsp/dsptypes.h"
+
+class CalcDb
+{
+public:
+	static Real dbPower(Real magsq);
+};
+
+#endif /* INCLUDE_UTIL_DB_H_ */

include/util/miniz.h

@@ -1,7 +0,0 @@
-#ifndef INCLUDE_MINIZ_H
-#define INCLUDE_MINIZ_H
-
-#define MINIZ_HEADER_FILE_ONLY
-#include "../../sdrapp/util/miniz.cpp"
-
-#endif // INCLUDE_MINIZ_H