1 files changed, 71 insertions, 0 deletions
diff --git a/include/gf_w32.h b/include/gf_w32.h
new file mode 100644
index 0000000..3396402
--- /dev/null
+++ b/include/gf_w32.h
@@ -0,0 +1,71 @@
+/*
+ * 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_w32.h
+ *
+ * Defines and data structures for 32-bit Galois fields
+ */
+
+#ifndef GF_COMPLETE_GF_W32_H
+#define GF_COMPLETE_GF_W32_H
+
+#include <stdint.h>
+
+#define GF_FIELD_WIDTH (32)
+#define GF_FIRST_BIT (1 << 31)
+
+#define GF_BASE_FIELD_WIDTH (16)
+#define GF_BASE_FIELD_SIZE       (1 << GF_BASE_FIELD_WIDTH)
+#define GF_BASE_FIELD_GROUP_SIZE  GF_BASE_FIELD_SIZE-1
+#define GF_MULTBY_TWO(p) (((p) & GF_FIRST_BIT) ? (((p) << 1) ^ h->prim_poly) : (p) << 1)
+
+struct gf_split_2_32_lazy_data {
+    uint32_t      tables[16][4];
+    uint32_t      last_value;
+};
+
+struct gf_w32_split_8_8_data {
+    uint32_t      tables[7][256][256];
+    uint32_t      region_tables[4][256];
+    uint32_t      last_value;
+};
+
+struct gf_w32_group_data {
+    uint32_t *reduce;
+    uint32_t *shift;
+    int      tshift;
+    uint64_t rmask;
+    uint32_t *memory;
+};
+
+struct gf_split_16_32_lazy_data {
+    uint32_t      tables[2][(1<<16)];
+    uint32_t      last_value;
+};
+
+struct gf_split_8_32_lazy_data {
+    uint32_t      tables[4][256];
+    uint32_t      last_value;
+};
+
+struct gf_split_4_32_lazy_data {
+    uint32_t      tables[8][16];
+    uint32_t      last_value;
+};
+
+struct gf_w32_bytwo_data {
+    uint64_t prim_poly;
+    uint64_t mask1;
+    uint64_t mask2;
+};
+
+struct gf_w32_composite_data {
+  uint16_t *log;
+  uint16_t *alog;
+};
+
+void gf_w32_neon_split_init(gf_t *gf);
+
+#endif /* GF_COMPLETE_GF_W32_H */