[CMake] Real arithmetic in CMake

[David Vowles]

Does CMake provide facilities to perform real arithmetic?

My attempts using the MATH command fail - for example:

math(EXPR R "5.2")

yields the error:

math cannot parse the expression: "5.2": syntax error, unexpected
exp_NUMBER, expecting $end (3)

----------------------------------------------------------------------------

Has any thought been given to or are there plans by the CMake developers 
to implement their program in a modern scripting language like Python or 
Perl? This would have many advantages including providing a fully 
fledged regular expression language, comprehensive math functions, a 
comprehensive suite of data-structures, etc. Such scripting languages 
have implementations on many platforms.

Many thanks,
David.