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-rw-r--r--src/libs/7zip/unix/C/Ppmd.h85
1 files changed, 0 insertions, 85 deletions
diff --git a/src/libs/7zip/unix/C/Ppmd.h b/src/libs/7zip/unix/C/Ppmd.h
deleted file mode 100644
index 621d92703..000000000
--- a/src/libs/7zip/unix/C/Ppmd.h
+++ /dev/null
@@ -1,85 +0,0 @@
-/* Ppmd.h -- PPMD codec common code
-2010-03-12 : Igor Pavlov : Public domain
-This code is based on PPMd var.H (2001): Dmitry Shkarin : Public domain */
-
-#ifndef __PPMD_H
-#define __PPMD_H
-
-#include "Types.h"
-#include "CpuArch.h"
-
-EXTERN_C_BEGIN
-
-#ifdef MY_CPU_32BIT
- #define PPMD_32BIT
-#endif
-
-#define PPMD_INT_BITS 7
-#define PPMD_PERIOD_BITS 7
-#define PPMD_BIN_SCALE (1 << (PPMD_INT_BITS + PPMD_PERIOD_BITS))
-
-#define PPMD_GET_MEAN_SPEC(summ, shift, round) (((summ) + (1 << ((shift) - (round)))) >> (shift))
-#define PPMD_GET_MEAN(summ) PPMD_GET_MEAN_SPEC((summ), PPMD_PERIOD_BITS, 2)
-#define PPMD_UPDATE_PROB_0(prob) ((prob) + (1 << PPMD_INT_BITS) - PPMD_GET_MEAN(prob))
-#define PPMD_UPDATE_PROB_1(prob) ((prob) - PPMD_GET_MEAN(prob))
-
-#define PPMD_N1 4
-#define PPMD_N2 4
-#define PPMD_N3 4
-#define PPMD_N4 ((128 + 3 - 1 * PPMD_N1 - 2 * PPMD_N2 - 3 * PPMD_N3) / 4)
-#define PPMD_NUM_INDEXES (PPMD_N1 + PPMD_N2 + PPMD_N3 + PPMD_N4)
-
-#pragma pack(push,1)
-
-/* SEE-contexts for PPM-contexts with masked symbols */
-typedef struct
-{
- UInt16 Summ; /* Freq */
- Byte Shift; /* Speed of Freq change; low Shift is for fast change */
- Byte Count; /* Count to next change of Shift */
-} CPpmd_See;
-
-#define Ppmd_See_Update(p) if ((p)->Shift < PPMD_PERIOD_BITS && --(p)->Count == 0) \
- { (p)->Summ <<= 1; (p)->Count = (Byte)(3 << (p)->Shift++); }
-
-typedef struct
-{
- Byte Symbol;
- Byte Freq;
- UInt16 SuccessorLow;
- UInt16 SuccessorHigh;
-} CPpmd_State;
-
-#pragma pack(pop)
-
-typedef
- #ifdef PPMD_32BIT
- CPpmd_State *
- #else
- UInt32
- #endif
- CPpmd_State_Ref;
-
-typedef
- #ifdef PPMD_32BIT
- void *
- #else
- UInt32
- #endif
- CPpmd_Void_Ref;
-
-typedef
- #ifdef PPMD_32BIT
- Byte *
- #else
- UInt32
- #endif
- CPpmd_Byte_Ref;
-
-#define PPMD_SetAllBitsIn256Bytes(p) \
- { unsigned i; for (i = 0; i < 256 / sizeof(p[0]); i += 8) { \
- p[i+7] = p[i+6] = p[i+5] = p[i+4] = p[i+3] = p[i+2] = p[i+1] = p[i+0] = ~(size_t)0; }}
-
-EXTERN_C_END
-
-#endif