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Delayed evaluation solves this problem, and can be implemented in C++ by letting operator+ return an object of an auxiliary type, say VecSum, that represents the unevaluated sum of two Vecs, or a vector with a VecSum, etc. Larger expressions then effectively build expression trees that are evaluated only when assigned to an actual Vec variable ...
The template can be repeatedly nested 6 or 7 levels, one inside the other, because the outer-most is completed before running either the then/else inner levels. This template can be substituted, when the expression or comparison will not change. Functionally, a lead-space character is stored, internally, as a simple blank character.
The Matrix Template Library (MTL) is a linear algebra library for C++ programs. The MTL uses template programming , which considerably reduces the code length. All matrices and vectors are available in all classical numerical formats: float , double , complex<float> or complex<double> .
A class template is instantiated by passing a given set of types to it as template arguments. [5] The C++ Standard Library contains many class templates, in particular the containers adapted from the Standard Template Library, such as vector.
The entire "instead of" clause will not appear if this is blank (i.e., the template will end with the wording of |error= or its default value). |section= (optional) By default, this display "article" in an article and "page" on all other pages.
The template can be repeatedly nested 6 or 7 levels, one inside the other, because the outer-most is completed before running either the then/else inner levels. This template can be substituted, when the expression or comparison will not change. Functionally, a lead-space character is stored, internally, as a simple blank character.
This is the template test cases page for the sandbox of Template:Contains special characters to update the examples. If there are many examples of a complicated template, later ones may break due to limits in MediaWiki; see the HTML comment "NewPP limit report" in the rendered page.
Note on special characters: if the value to be highlighted contains an equal sign, it must be escaped: use {{=}} instead of a bare equal sign character. Examples [ edit ] {{param value|2blanks between}} yields: 2blanks between