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* added: global Gamma() function

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* added:   gamma() function to the parser
* added:   Big::IsInteger() method
           returns true if the value is integer
* added:   CGamma<ValueType> class
           is used with Gamma() and Factorial() in multithreaded environment
* changed: Factorial() is using the Gamma() function now
* removed: Parser<>::SetFactorialMax() method
           the factorial() is such a fast now that we don't need the method longer
* removed: ErrorCode::err_too_big_factorial



git-svn-id: svn://ttmath.org/publicrep/ttmath/trunk@178 e52654a7-88a9-db11-a3e9-0013d4bc506e
This commit is contained in:
Tomasz Sowa
2009-07-16 03:22:29 +00:00
parent d3a64b79ca
commit 53547cfab5
6 changed files with 864 additions and 189 deletions
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CHANGELOG
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@@ -1,3 +1,28 @@
Version 0.9.0 prerelease (2009.07.16):
* added: support for wide characters (wchar_t)
wide characters are used when macro TTMATH_USE_WCHAR is defined
this macro is defined automatically when there is macro UNICODE or _UNICODE defined
some types have been changed
char -> tt_char
std::string -> tt_string
std::ostringstream -> tt_ostringstream
std::ostream -> tt_ostream
std::istream -> tt_istream
normally tt_char is equal char but when you are using wide characters then tt_char will be wchar_t (and so on)
(all typedef's are in ttmathtypes.h)
* added: Big::IsInteger()
returns true if the value is integer (without fraction)
(NaN flag is not checked)
* added: global Gamma() function
* added: gamma() function to the parser
* added: CGamma<ValueType> class
is used with Gamma() and Factorial() in multithreaded environment
* changed: Factorial() is using the Gamma() function now
* removed: Parser<>::SetFactorialMax() method
the factorial() is such a fast now that we don't need the method longer
* removed: ErrorCode::err_too_big_factorial
Version 0.8.5 (2009.06.16):
* fixed: Big::Mod(x) didn't correctly return a carry
and the result was sometimes very big (even greater than x)