Add files via upload

source/par2j/gf16.h

@@ -0,0 +1,72 @@
+#ifndef _GF16_H_
+#define _GF16_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+extern unsigned short *galois_log_table;
+extern unsigned int cpu_flag;
+
+int galois_create_table(void);	// Returns 0 on success, -1 on failure
+
+unsigned short galois_multiply(int x, int y);
+unsigned short galois_multiply_fix(int x, int log_y);
+unsigned short galois_divide(int x, int y);
+
+unsigned short galois_power(int x, int y);	// 乗数計算用に追加
+unsigned short galois_reciprocal(int x);	// 逆数計算用に追加
+void galois_free_table(void);	// 解放用に追加
+
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+
+extern int sse_unit;
+
+void galois_region_multiply(
+	unsigned short *r1,	// Region to multiply
+	unsigned short *r2,	// Products go here
+	unsigned int count,	// Count of number in short
+	int factor);		// Number to multiply by
+
+void galois_region_divide(
+	unsigned short *r1,	// Region to divide. products go here
+	unsigned int count,	// Count of number in short
+	int factor);		// Number to divide by
+
+void galois_align_xor(
+	unsigned char *r1,	// Region to multiply
+	unsigned char *r2,	// Products go here
+	unsigned int len);	// Byte length
+
+// 領域掛け算用の関数定義
+typedef void (* REGION_MULTIPLY) (
+	unsigned char *r1,	// Region to multiply
+	unsigned char *r2,	// Products go here
+	unsigned int len,	// Byte length
+	int factor);		// Number to multiply by
+REGION_MULTIPLY galois_align_multiply;
+
+// 領域並び替え用の関数定義
+typedef void (* REGION_ALTMAP) (unsigned char *data, unsigned int bsize);
+REGION_ALTMAP galois_altmap_change;
+REGION_ALTMAP galois_altmap_return;
+
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+
+#define HASH_SIZE 16
+#define HASH_RANGE 128
+
+void checksum16(unsigned char *data, unsigned char *hash, int byte_size);
+
+// 領域並び替えとチェックサム計算の関数定義
+typedef void (* region_checksum) (unsigned char *data, unsigned char *hash, int byte_size);
+region_checksum checksum16_altmap;
+region_checksum checksum16_return;
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif