Concepts inProgram analysis with partial transfer functions
Program analysis
In computer science, program analysis is the process of automatically analysing the behavior of computer programs. Two main approaches in program analysis are static program analysis and dynamic program analysis. Main applications of program analysis are program correctness and program optimization. Techniques related to program analysis include: control-flow and data-flow analysis constraint-based analysis abstract interpretation, type and effect systems.
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Transfer function
A transfer function (also known as the system function or network function) is a mathematical representation, in terms of spatial or temporal frequency, of the relation between the input and output of a linear time-invariant system. With optical imaging devices, for example, it is the Fourier transform of the point spread function (hence a function of spatial frequency) i.e. the intensity distribution caused by a point object in the field of view.
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Alias analysis
Alias analysis is a technique in compiler theory, used to determine if a storage location may be accessed in more than one way. Two pointers are said to be aliased if they point to the same location. Alias analysis techniques are usually classified by flow-sensitivity and context-sensitivity. They may determine may-alias or must-alias information. The term alias analysis is often used interchangeably with term points-to analysis, a specific case.
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Higher-order function
In mathematics and computer science, a higher-order function (also functional form, functional or functor) is a function that does at least one of the following: take one or more functions as an input output a function All other functions are first order functions. In mathematics higher-order functions are also known as operators or functionals. The derivative in calculus is a common example, since it maps a function to another function.
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Pointer (computer programming)
for both pointers and non-pointers; this need not be the case. ]] In computer science, a pointer is a programming language data type whose value refers directly to (or "points to") another value stored elsewhere in the computer memory using its address. For high-level programming languages, pointers effectively take the place of general purpose registers in low-level languages such as assembly language or machine code, but may be in available memory.
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Dataflow
Dataflow is a term used in computing, and may have various shades of meaning. It is closely related to message passing.
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Compiler
A compiler is a computer program (or set of programs) that transforms source code written in a programming language (the source language) into another computer language (the target language, often having a binary form known as object code). The most common reason for wanting to transform source code is to create an executable program. The name "compiler" is primarily used for programs that translate source code from a high-level programming language to a lower level language.
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Limit (mathematics)
In mathematics, the concept of a "limit" is used to describe the value that a function or sequence "approaches" as the input or index approaches some value. Limits are essential to calculus (and mathematical analysis in general) and are used to define continuity, derivatives, and integrals. The concept of a limit of a sequence is further generalized to the concept of a limit of a topological net, and is closely related to limit and direct limit in category theory.
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