From d062ec4da926b68972be882c68d4181f8c9eff2f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Marek=20Ne=C4=8Dada?= <marek@necada.org>
Date: Sun, 29 May 2022 14:36:32 +0300
Subject: [PATCH] Forgotten header lattice_types.h

---
 qpms/lattices_types.h | 37 +++++++++++++++++++++++++++++++++++++
 1 file changed, 37 insertions(+)
 create mode 100644 qpms/lattices_types.h

diff --git a/qpms/lattices_types.h b/qpms/lattices_types.h
new file mode 100644
index 0000000..4254798
--- /dev/null
+++ b/qpms/lattices_types.h
@@ -0,0 +1,37 @@
+/*! \file lattices_types.h
+ * \brief Auxiliary lattice point generator and related enum declarations.
+ *
+ * This file contains necessary declarations needed in other header files.
+ * In contrast to lattices.h, this one is C++ compatible.
+ *
+ * \see lattices.h
+ */
+#ifndef LATTICES_TYPES_H
+#define LATTICES_TYPES_H
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef enum LatticeDimensionality {
+	LAT1D = 1,
+	LAT2D = 2,
+	LAT3D = 4,
+	SPACE1D = 8,
+	SPACE2D = 16,
+	SPACE3D = 32,
+	LAT_1D_IN_3D = 33,
+	LAT_2D_IN_3D = 34,
+	LAT_3D_IN_3D = 40,
+	// special coordinate arrangements (indicating possible optimisations)
+	LAT_ZONLY = 64,
+	LAT_XYONLY = 128,
+	LAT_1D_IN_3D_ZONLY = 97, // LAT1D | SPACE3D | 64
+	LAT_2D_IN_3D_XYONLY = 162 // LAT2D | SPACE3D | 128
+} LatticeDimensionality;
+
+struct PGen;
+
+#ifdef __cplusplus
+}
+#endif
+#endif // LATTICES_TYPES_H