Tristan Carel wrote:
> Hi,
>
> Does CMake performs arithmetic expansion?
> Do we have to use an external tool? (like bc, or expr)
>
> I don't find anything about it on the bug tracker.
>
> I would be fantastic to be able to write something like this:
> SET(Foo 2)
> SET(Bar $EVAL{0x101000 + ${Foo}})
>
> To avoid complexity growth of the parser but still be
> platform-independant, maybe you could add a command available with
> CMake -E.
> ==> CMAKE -E EVAL "0x101000 + ${Foo}"
>
> The worst case would be a module FindBc.cmake which provides a macro Bc_EVAL
>
> my 2 cents.
cmake version 2.5-20061010
MATH
Mathematical expressions.
MATH(EXPR <output variable> <math expression>)
EXPR evaluates mathematical expression and return result in the output
variable. Example mathematical expression is '5 * ( 10 + 13 )'.
--
Filipe Sousa
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