منابع مشابه
Compiling Exceptions Correctly
An exception compilation scheme that dynamically creates and removes exception handler entries on the stack. A formalization of an article of the same name by Hutton and Wright [1]. 1 Compiling exception handling theory Exceptions imports Main begin 1.1 The source language datatype expr = Val int | Add expr expr | Throw | Catch expr expr consts eval :: "expr ⇒ int option" primrec "eval (Val i) ...
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Exceptions are an important feature of modern programming languages, but their compilation has traditionally been viewed as an advanced topic. In this article we show that the basic method of compiling exceptions using stack unwinding can be explained and verified both simply and precisely, using elementary functional programming techniques. In particular, we develop a compiler for a small lang...
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The definitions and rules associated with plagiarism and copyright infringement can be difficult to interpret. In fact, it is possible to plagiarize or commit copyright infringement unknowingly simply because an author does not understand how to properly cite another person’s original idea or credit someone’s photograph. Authors can avoid these critical writing pitfalls by familiarizing themsel...
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Lagrange multipliers offer a way to find the extrema of an objective function f(x1, x2, . . . , xn) subject to a constraint function g(x1, x2, . . . , xn) = 0; for example, we may wish to maximize a+ b+ c subject to a2 + b2 + c2 = 1. However, there are lots of tiny details that need to be checked in order to completely solve a problem with Lagrange multipliers. On an olympiad the use of Lagrang...
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The Table Maker’s Dilemma is the problem of always getting correctly rounded results when computing the elementary functions. After a brief presentation of this problem, we present new developments that have helped us to solve this problem for the double-precision exponential function in a small domain. These new results show that this problem can be solved, at least for the double-precision fo...
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ژورنال
عنوان ژورنال: Accreditation and Quality Assurance
سال: 2020
ISSN: 0949-1775,1432-0517
DOI: 10.1007/s00769-020-01444-6