CMake/Help/command/math.rst

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math
----
Mathematical expressions.
::
math(EXPR <output variable> <math expression>)
EXPR evaluates mathematical expression and returns result in the
output variable. Example mathematical expression is '5 * ( 10 + 13
)'. Supported operators are + - * / % | & ^ ~ << >> * / %. They have
the same meaning as they do in C code.