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Commits on Sep 16, 2018

• Refactored {PpmModel,PpmCompress,PpmDecompress} to interally store history symbols in reverse order, without changing file format, in all languages.

  nayuki

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• Corrected CheckedFrequencyTable.toString() in Java and Python, for display purposes only.

  nayuki

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• Refactored some bit arithmetic logic in ArithmeticCoderBase.update() to slightly streamline computations, in all languages.

  nayuki

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• Reformatted some code in ArithmeticCoderBase.update() to highlight similarity, in all languages.

  nayuki

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• Updated comments within method ArithmeticCoderBase.update(), in all languages.

  nayuki

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• Simplified a line of code in ArithmeticCodeBase constructor in all languages (related to commit 1dfa7a1).

  nayuki

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• Updated method-level comments for ArithmeticCoderBase.update(), slightly differently in each language version.

  nayuki

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• Added some comments to ArithmeticCoderBase, in all languages.

  nayuki

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• Renamed Arithmetic{CoderBase,Decoder,Encoder} constructor parameters, in all languages.

  nayuki

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• Renamed three fields in class ArithmeticCoderBase (including mentions in comments), in all languages.

  nayuki

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• Renamed two fields in class ArithmeticCoderBase, in all languages.

  nayuki

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• Renamed field ArithmeticCoderBase.MAX_RANGE to fullRange/full_range (including mentions in comments), in all languages.

  nayuki

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• Renamed field ArithmeticCoderBase.STATE_SIZE to numStateBits/num_state_bits (including mentions in comments), in all languages.

  nayuki

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Commits on Sep 10, 2018

• Rearranged the order of some fields in class ArithmeticCoderBase, in all languages.

  nayuki

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Commits on Aug 21, 2018

• *.cpp: Updated C++ code to use standard exception classes instead of bare C strings.

  nayuki

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Commits on Jul 13, 2018

• {ArithmeticDecoder,ArithmeticEncoder,BitInputStream,BitOutputStream,CheckedFrequencyTable}.java: Tweaked Java code to use Objects.requireNonNull() more idiomatically.

  nayuki

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Commits on Jul 11, 2018

• PpmModel.hpp: Tweaked constructors to be explicit.

  nayuki

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Commits on Jun 30, 2018

• ArithmeticCoder.{cpp,hpp}: Added virtual destructor to be more correct (related to commit 773305b).

  nayuki

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• Arithmetic{Compress,Decompress}.cpp: Added comments.

  nayuki

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• Arithmetic{Compress,Decompress}.cpp: Simplified code to modify frequency table directly instead of temporary vector.

  nayuki

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• AdaptiveArithmetic{Compress,Decompressed}.cpp: Removed unused #include (due to commit 279d21c).

  nayuki

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• Makefile, PpmCompress.cpp: Reordered names to be alphabetical, tweaked header comment punctuation for consistency.

  nayuki

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Commits on Jun 29, 2018

• PpmModel.{cpp,hpp}: Added space between '>>' in template types to avoid potential parsing problems.

  nayuki

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• FrequencyTable.{cpp,hpp}: Added virtual destructor to be more correct.

  nayuki

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• PpmModel.hpp: Added missing '#pragma once'.

  nayuki

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Commits on Jun 28, 2018

• {ArithmeticCoder,ArithmeticCompress,PpmModel}.cpp: Simplified small pieces of code.

  nayuki

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• Updated C++ ArithmeticCoderBase constructor to take stateSize as parameter instead of hard-coding, updated subclasses to pass the parameter, updated application classes to use the old hard-coded va…

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  nayuki

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• ArithmeticCoder.{cpp,hpp}: Moved code for initializing instance fields, without changing behavior.

  nayuki

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• ArithmeticCoder.hpp: Updated comments for ArithmeticCoderBase's configuration fields (similar to commit 1c9919e).

  nayuki

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• Updated Python ArithmeticCoderBase constructor to take statesize as parameter instead of hard-coding, updated subclasses to pass the parameter, updated application classes to use the old hard-coded…

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• arithmeticcoding.py: Updated comments for ArithmeticCoderBase's configuration fields (similar to commit 1c9919e).

  nayuki

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• arithmeticcoding.py: Converted ArithmeticCoderBase static variables into instance variables.

  nayuki

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• ArithmeticCoderBase: Updated field type and comment.

  nayuki

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• Arithmetic{CoderBase,Decoder,Encoder}.java: Added lines and reordered a line Javadoc comments.

  nayuki

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• Updated ArithmeticCoderBase.java fields and constructor to take stateSize as parameter instead of hard-coding, updated subclasses to pass the parameter, updated application classes to use the old h…

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