8/14/21 Write a function, my-sum, that given a list of numbers, will return its sum. (defun my-sum (L) (cond ((null L) 0) (t (+ (car L) (my-sum (cdr L)))))) 1 Write a function odd-L which given a list of numbers will identify all the odd numbers in it. Ø (odd-L ‘(1 2 3 4 5)) […]
Functional Programming The key idea: Solving problems using functions But, don’t all programming languages allow you to write functions? Yes, but they provide only calls for functions and not a functional paradigm. What is the difference? 1 Functional Programming So, what is functional programming? • Like mathematical functions, the functions we write should depend only
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8/25/21 Key topics discussed so far Lecture 1: General ideas about PLs Abstraction: Examples? Empowerment: Examples? PLs need to be compiled: Why? There are many PLs: Why? Lecture 2: Computability – TM and l-calculus We are not interested in what are computable functions and what are not. Instead, we ask: Can we guarantee that all
SOFT3410 Tutorial 2 Standard Library, Files and Function Pointers Question 1: Files We are able to access files on your system using the file api functions and types. The FILE type is a portable abstraction for interacting with files and streams on your system. Once opened, you can use functionslikefwrite, fgets, fread, fputs, …toreadorwrite. int
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7/13/21 COMP712 Programming Languages Lecture 1: Introduction Albert Yeap WT410 AUT University 2021 What is this course about? 1 COMP712: Programming Languages Your paper descriptor shows: • Foundations of programming languages • Principles of compilers and interpreters • Runtimes and virtual machines • Programming paradigms What make languages tick! 2 12 A programming language is
COMP273 McGill 1 Decisions in MIPS Assembly Language if else . .. Assembly in Matrix Reloaded COMP273 McGill 3 Assembly in Matrix Reloaded • • addi $s1, $s0, 4 lw $s6, 0($s1) these 2 are the same thing All instructions we’ve seen so far allow us to manipulate data. To build a computer we must
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8/11/21 Hints for drawing an FSM. Consider Q6 in the tutorial: Construct a deterministic FSM that recognizes the set of all bit strings that contain the string 101. 1. See what the input values are – in this case 0 and 1. In the previous example, it is the alphabets 1 2. See what the
9/29/21 Compilation COMP712 Programming Languages AUT 1 Program words symbols Every statement turns into a tree, Sn tokens Syntax Analyser A list of trees A program is transformed into a list of trees 2 Lexical Analyser, so far Program …… S1 S2…. 12 Program words tokens symbols Syntax Analyser A list of trees An Example
SOFT3410 Tutorial 3 Dynamic Memory and Data Structures Today’s lab will involve constructing a few common data structures and getting familiar with dynamic memory Question 1: Malloc and Free Unlike Java, C’s heap allocation is explicit and depends on standard library functions. The functions we will be using for heap allocation are malloc and free.
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COMP712 Tutorial #2: - Calculus & Turing Machines 1. What is the number on this tape? 0 1 1 1 1 1 1 1 1 1 1 0 9 2. What is the role of a state table in a Turing machine?. It is equivalent to your modern day program – it is an effective
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