updated: CHANGELOG and README
git-svn-id: svn://ttmath.org/publicrep/ttmath/trunk@224 e52654a7-88a9-db11-a3e9-0013d4bc506emaster
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CHANGELOG
38
CHANGELOG
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Version 0.9.0 prerelease (2009.10.18):
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* fixed: Big::operator>>(std::istream&, Big<> &) didn't recognize values
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in scientific mode (with 'e' character)
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* fixed: UInt::SetBitInWord(uint & value, uint bit) set 1 if the bit was
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equal 1 (should be set 2)
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this affected only no-asm parts - when macro TTMATH_NOASM was defined
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* fixed: UInt<value_size>::MulInt(uint ss2)
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there was a buffer overflow when value_size was equal 1
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* fixed: UInt::AddVector() and UInt::SubVector() didn't want to compile
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when macro TTMATH_NOASM was defined
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* fixed: buffer overflow in Big::ToInt(Int<int_size> & result)
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* fixed: powering algorithm in:
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UInt::Pow(UInt<value_size> pow)
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Big::Pow(UInt<pow_size> pow)
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Big::PowUInt(Big<exp, man> pow)
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when 'pow' was sufficient large the algorithm returned carry
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but the result could have been calculated correctly
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Version 0.9.0 prerelease (2009.10.25):
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* added: support for wide characters (wchar_t, std::wstring)
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* added: Big::IsInteger()
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returns true if the value is integer (without fraction)
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@ -54,6 +38,26 @@ Version 0.9.0 prerelease (2009.10.18):
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* removed: ErrorCode::err_too_big_factorial
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Version 0.8.6 (2009.10.25):
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* fixed: UInt::SetBitInWord(uint & value, uint bit) set 1 if the bit was
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equal 1 (should be set 2)
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this affected only no-asm parts - when macro TTMATH_NOASM was defined
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* fixed: UInt<value_size>::MulInt(uint ss2)
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there was a buffer overflow when value_size was equal 1
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* fixed: UInt::AddVector() and UInt::SubVector() didn't want to compile
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when macro TTMATH_NOASM was defined
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* fixed: Big::operator>> didn't correctly recognize values in scientific mode (with 'e' character)
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* fixed: Int::FromString(const tt_string & s, uint b = 10)
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didn't use 'b' (always was '10')
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* fixed: buffer overflow in Big::ToInt(Int<int_size> & result)
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* fixed: powering algorithm in:
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UInt::Pow(UInt<value_size> pow)
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Big::Pow(UInt<pow_size> pow)
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Big::PowUInt(Big<exp, man> pow)
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when 'pow' was sufficient large the algorithm returned carry
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but the result could have been calculated correctly
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Version 0.8.5 (2009.06.16):
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* fixed: Big::Mod(x) didn't correctly return a carry
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and the result was sometimes very big (even greater than x)
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35
README
35
README
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@ -1,26 +1,23 @@
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TTMath - a bignum library for C++
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A bignum library for C++
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TTMath is a small library which allows one to perform arithmetic operations
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with big unsigned integer, big signed integer and big floating point
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numbers. It provides standard mathematical operations like adding,
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subtracting, multiplying, dividing etc. With the library also goes
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a mathematical parser which helps you solving input formulas read directly
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from a user.
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with big unsigned integer, big signed integer and big floating point numbers.
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It provides standard mathematical operations like adding, subtracting,
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multiplying, dividing. With the library also goes a mathematical parser to
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help you solving mathematical expressions.
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TTMath is developed under the BSD licence which means that it is free
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for both personal and commercial use.
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The library has some technical limitations:
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* there are only two platforms that are supported: x86 and x86_64,
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* you can use this library only with the C++ programming language.
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TTMath is developed under the BSD licence which means that it is free for
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both personal and commercial use.
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The main goal of the library is to allow one to use big values in the same
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way as the standard types like int, float, etc. It does not need to be
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compiled first because the whole library is written as the C++ templates.
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This means only C++ developers can use this library and one thing they have
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to do is to use 'include' directive of the preprocessor. How big the
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values can be is set directly in the source code by the programmer.
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way as the standard types like int or float. It does not need to be compiled
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first because the whole library is written as the C++ templates. This means
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only C++ developers can use this library and one thing they have to do is
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to use 'include' directive of the preprocessor. How big the values can be
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is set at compile time.
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Author: Tomasz Sowa <t.sowa@ttmath.org>
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Project pages: http://www.ttmath.org
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http://sourceforge.net/projects/ttmath
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WWW: http://www.ttmath.org
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Contributors:
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Christian Kaiser <chk@online.de>
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