dsslib (dsslib-5.5.6) [xmmsas_20060628_1801-7.0.0]

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Tools are provided for converting a restricted set of **selectlib**
expressions into a data subspace specification (see the **selectlib**
documentation for details of the expression format). A parser reads the
selection expression and generates subspace filters and components as
appropriate. However, not all selection expressions can be expressed
as data subspace specifications. Those types of expressions which cannnot
be handled by the parser involve arithmetic operations on column values.
Arithmetic expressions of constants are allowed, however.

XMM-Newton SOC/SSC -- 2006-06-28