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XLR: Extensible Language and Runtime
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The bandwidth measures how much of the problem space is covered by a particular representation of a concept. For instance, one can say that the bandwidth of the + operator in C is larger than the bandwidth of the add instruction in assembly language, because the C operator applies to floating-point values as well. Since C++ adds operator overloading, you can use the same notation for matrices or complex numbers. Consequently, the bandwidth of the + operator in C++ is larger than in C.
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Copyright 2006 Christophe de Dinechin (Blog)
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