From 71478fd62d8483483abb34609cdabb7f9cbadfd6 Mon Sep 17 00:00:00 2001
From: root <root@lamia.panaceas.james.local>
Date: Sat, 19 Dec 2015 14:18:43 +0000
Subject: Add hostTools from https://github.com/Noltari/cfe_bcm63xx

---
 hostTools/lzma/compress/AriBitCoder.cpp | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
 create mode 100644 hostTools/lzma/compress/AriBitCoder.cpp

(limited to 'hostTools/lzma/compress/AriBitCoder.cpp')

diff --git a/hostTools/lzma/compress/AriBitCoder.cpp b/hostTools/lzma/compress/AriBitCoder.cpp
new file mode 100644
index 0000000..ade1888
--- /dev/null
+++ b/hostTools/lzma/compress/AriBitCoder.cpp
@@ -0,0 +1,21 @@
+#include "AriBitCoder.h"
+#include "AriPrice.h"
+
+#include <cmath>
+
+namespace NCompression {
+namespace NArithmetic {
+
+static const double kDummyMultMid = (1.0 / kBitPrice) / 2;
+
+CPriceTables::CPriceTables()
+{
+  double aLn2 = log(2);
+  double aLnAll = log(kBitModelTotal >> kNumMoveReducingBits);
+  for(UINT32 i = 1; i < (kBitModelTotal >> kNumMoveReducingBits) - 1; i++)
+    m_StatePrices[i] = UINT32((fabs(aLnAll - log(i)) / aLn2 + kDummyMultMid) * kBitPrice);
+}
+
+CPriceTables g_PriceTables;
+
+}}
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