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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)
fixed:   global function Mod(x) didn't set an ErrorCode object
fixed:   global function Round() didn't test a carry
         now it sets ErrorCode object
changed: function Sin(x) to Sin(x, ErrorCode * err=0)
         when x was very big the function returns zero
         now it sets ErrorCode object to err_overflow
         and the result is undefined
         the same is to Cos() function
changed: PrepareSin(x) is using Big::Mod() now when reducing 2PI period
         should be a little accurate especially on a very big 'x'



git-svn-id: svn://ttmath.org/publicrep/ttmath/trunk@143 e52654a7-88a9-db11-a3e9-0013d4bc506e
This commit is contained in:
Tomasz Sowa
2009-05-11 01:50:00 +00:00
parent 05b67e7103
commit 939d0f7519
5 changed files with 106 additions and 45 deletions
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14
CHANGELOG
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@@ -1,3 +1,17 @@
Version 0.8.5 (2009.05.11):
* fixed: Big::Mod(x) didn't correctly return a carry
and the result was sometimes very big (even greater than x)
* fixed: global function Mod(x) didn't set an ErrorCode object
* fixed: global function Round() didn't test a carry
now it sets ErrorCode object
* changed: function Sin(x) to Sin(x, ErrorCode * err=0)
when x was very big the function returns zero
now it sets ErrorCode object to err_overflow
and the result is undefined
the same is to Cos() function
* changed: PrepareSin(x) is using Big::Mod() now when reducing 2PI period
should be a little accurate especially on a very big 'x'
Version 0.8.4 (2009.05.08):
* fixed: UInt::DivInt() didn't check whether the divisor is zero
there was a hardware interruption when the divisor was zero