2014-08-03 19:52:23 +02:00
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math
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----
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Mathematical expressions.
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::
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2018-10-28 12:09:07 +01:00
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math(EXPR <output-variable> <math-expression> [OUTPUT_FORMAT <format>])
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2014-08-03 19:52:23 +02:00
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2015-11-17 17:22:37 +01:00
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``EXPR`` evaluates mathematical expression and returns result in the
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2016-10-30 18:24:19 +01:00
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output variable. Example mathematical expression is ``5 * (10 + 13)``.
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Supported operators are ``+``, ``-``, ``*``, ``/``, ``%``, ``|``, ``&``,
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``^``, ``~``, ``<<``, ``>>``, and ``(...)``. They have the same meaning
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as they do in C code.
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2018-10-28 12:09:07 +01:00
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Numeric constants are evaluated in decimal or hexadecimal representation.
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The result is formatted according to the option "OUTPUT_FORMAT" ,
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where ``<format>`` is one of:
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::
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HEXADECIMAL = Result in output variable will be formatted in C code
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Hexadecimal notation.
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DECIMAL = Result in output variable will be formatted in decimal notation.
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For example::
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math(EXPR value "100 * 0xA" DECIMAL) results in value is set to "1000"
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math(EXPR value "100 * 0xA" HEXADECIMAL) results in value is set to "0x3e8"
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