1 files changed, 66 insertions, 0 deletions
diff --git a/include/gf_w16.h b/include/gf_w16.h
new file mode 100644
index 0000000..fb4c0e9
--- /dev/null
+++ b/include/gf_w16.h
@@ -0,0 +1,66 @@
+/*
+ * GF-Complete: A Comprehensive Open Source Library for Galois Field Arithmetic
+ * James S. Plank, Ethan L. Miller, Kevin M. Greenan,
+ * Benjamin A. Arnold, John A. Burnum, Adam W. Disney, Allen C. McBride.
+ *
+ * gf_w16.h
+ *
+ * Defines and data structures for 16-bit Galois fields
+ */
+
+#ifndef GF_COMPLETE_GF_W16_H
+#define GF_COMPLETE_GF_W16_H
+
+#include <stdint.h>
+
+#define GF_FIELD_WIDTH (16)
+#define GF_FIELD_SIZE (1 << GF_FIELD_WIDTH)
+#define GF_MULT_GROUP_SIZE GF_FIELD_SIZE-1
+
+#define GF_BASE_FIELD_WIDTH (8)
+#define GF_BASE_FIELD_SIZE       (1 << GF_BASE_FIELD_WIDTH)
+
+struct gf_w16_logtable_data {
+    uint16_t      log_tbl[GF_FIELD_SIZE];
+    uint16_t      antilog_tbl[GF_FIELD_SIZE * 2];
+    uint16_t      inv_tbl[GF_FIELD_SIZE];
+    uint16_t      *d_antilog;
+};
+
+struct gf_w16_zero_logtable_data {
+    int           log_tbl[GF_FIELD_SIZE];
+    uint16_t      _antilog_tbl[GF_FIELD_SIZE * 4];
+    uint16_t      *antilog_tbl;
+    uint16_t      inv_tbl[GF_FIELD_SIZE];
+};
+
+struct gf_w16_lazytable_data {
+    uint16_t      log_tbl[GF_FIELD_SIZE];
+    uint16_t      antilog_tbl[GF_FIELD_SIZE * 2];
+    uint16_t      inv_tbl[GF_FIELD_SIZE];
+    uint16_t      *d_antilog;
+    uint16_t      lazytable[GF_FIELD_SIZE];
+};
+
+struct gf_w16_bytwo_data {
+    uint64_t prim_poly;
+    uint64_t mask1;
+    uint64_t mask2;
+};
+
+struct gf_w16_split_8_8_data {
+    uint16_t      tables[3][256][256];
+};
+
+struct gf_w16_group_4_4_data {
+    uint16_t reduce[16];
+    uint16_t shift[16];
+};
+
+struct gf_w16_composite_data {
+  uint8_t *mult_table;
+};
+
+void gf_w16_neon_split_init(gf_t *gf);
+
+#endif /* GF_COMPLETE_GF_W16_H */