Approximation for n >= 1000
Factorial
Actual Value (truncated)
Approximation
1000!
4.0238726007709377354370243392300398571937E2567
4.0238726007709377354370243392307 E2567
10000!
2.8462596809170545189064132121198688901480E35659
2.8462596809170545189064132121197 E35659
100000!
2.824229407960347874293421578024535518477E456573
2.824229407960347874293421578024 E456573
Close enough!
instead or additionally to string.h, in preparation for functions move.
* moves str[n]casecmp() functions and others to strings.h.
* strings.h doesn't include string.h anymore.
* this solves #10949
The main point of this commit is to fix this line:
temp << (char)type << "' got '" << token.string << "'";
which gets printed when DeskCalc encounters a parse error.
Specifically the (char)type part needed fixing.
This code would try to print the char equivalent of a token which got
converted to lower ascii character between 0 and 15. This would at
best result in a newline and never anything helpful.
I took the germ of idea and expanded upon it reassigning the TOKENs to the
numeric values of the printable characters they represent where applicable.
For instance TOKEN_STAR now has a value of 42 which is ascii for '*'. By
using implicit char -> int conversion the numeric value is avoided in the code.
So now (char)type will, in many cases get you the equivalent ascii char
represented by that type. Those that don't such as TOKEN_IDENTIFIER and
TOKEN_CONSTANT are special cased.
Once the TOKEN's values correspond to their ASCII equivalents some other
simplifications became possible interchanging the TOKEN and the character
it represents.
No functional change.
* Surround email addresses in angle brackets.
* Add myself to ExpressionParser.cpp and .h
* Remove myself from ExpressionTextView.cpp and .h
* Alphatetize authors by last name.
Thanks Ingo and Axel.
Default is radian mode, You set the option in the right click menu
like the other options.
Note: degree mode does not affect hyperbolic trigonometric functions.
This is how Mac Calculator, Windows Calculator, and Google Calculator
work.
Deskcalc already contains support for all the functions in scientific mode
but up until now you had to know what they were called and type them in to
figure them out. Scientific mode gives you access to most of the available
functions via buttons.
Pushing one of the the scientific mode buttons inserts the function name
along with an innertube () at the current cursor location. If you have some
text highlighted when you push a scientific mode button it will put that
text inside the innertube. So you can type 0.5, then highlight the text with
the mouse, and then push the sin button and you will get sin(0.5).
The contextual menu has been altered to support the new mode.
Instead of having a single show keypad option in the contextual menu there
are 3 new options instead. Compact mode, Basic mode, and Scientific mode.
Basic mode is the default mode showing the basic keypad. Compact mode is the
same as show keypad turned off, showing just a bare text field. Scientific
mode is the new mode which adds buttons for the different transcendental
functions and constants that Deskcalc supports. You can also use Alt+0, Alt+1,
and Alt+2 keyboard modifiers to switch between the modes.
In addition to accepting the word 'pi' for the circumference of the unit
circle, Deskcalc now also recognizes the UTF-8 character π which has a
dedicated button in scientific mode. I also changed the parser so that
lowercase 'e' always means Euler's number and uppercase 'E' always means
'times 10 to the' so 1E5 means 1 times 10 to the 5th.
Another small tweak I did was to adjust the minimum basic mode width so that
the window is flush with the tab.
I also renamed fColums to fColumns, took out some spaces and other style
changes and bumped the version to 2.2.0.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@43199 a95241bf-73f2-0310-859d-f6bbb57e9c96
for some MAPM functions, since they will otherwise
just return 0, instead of indicating an error.
Thanks! Fixes ticket #6398.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@39889 a95241bf-73f2-0310-859d-f6bbb57e9c96
ln and log, which is hopefully more in line with expectations of users.
Thanks a lot!
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@36463 a95241bf-73f2-0310-859d-f6bbb57e9c96
actual digits. Therefore the buffer was always too small leading to memory
corruption. Use the version that allocates the string for us instead, then trim
it and assign it to the result.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@33566 a95241bf-73f2-0310-859d-f6bbb57e9c96
* Moved the ExpressionParser class to shared. It's now built into its own
static library.
* Added hexadecimal number support to the expression parser as well as
Evaluation*() methods to get a number instead of a string.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@31298 a95241bf-73f2-0310-859d-f6bbb57e9c96
