refs #396 move Blackmisc PQ classes into subfolder

src/blackmisc/pq/pq.h

@@ -0,0 +1,34 @@
+/* Copyright (C) 2013
+ * swift project Community / Contributors
+ *
+ * This file is part of swift project. It is subject to the license terms in the LICENSE file found in the top-level
+ * directory of this distribution and at http://www.swift-project.org/license.html. No part of swift project,
+ * including this file, may be copied, modified, propagated, or distributed except according to the terms
+ * contained in the LICENSE file.
+ */
+
+#ifndef BLACKMISC_PQ_PQ_H
+#define BLACKMISC_PQ_PQ_H
+
+/*!
+ * \namespace BlackMisc::PhysicalQuantities
+ * \brief Classes for physical quantities and units such as length, mass, speed.
+ */
+
+// All units / quantities, required for the instantiations of the template
+// especially as CRTP (Curiously recurring template pattern) is used.
+// http://www.parashift.com/c++-faq-lite/separate-template-fn-defn-from-decl.html
+// http://en.wikipedia.org/wiki/Curiously_recurring_template_pattern
+
+#include "blackmisc/pq/length.h"
+#include "blackmisc/pq/frequency.h"
+#include "blackmisc/pq/pressure.h"
+#include "blackmisc/pq/mass.h"
+#include "blackmisc/pq/speed.h"
+#include "blackmisc/pq/temperature.h"
+#include "blackmisc/pq/angle.h"
+#include "blackmisc/pq/time.h"
+#include "blackmisc/pq/acceleration.h"
+#include "blackmisc/pq/pqstring.h"
+
+#endif // guard