Topic: Concepts of programming Language Compute the weakest precondition for the following selection construct and the postconditions. b = 5 * (2 * a + b); a = 3 * b + 1 {a > 10}
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Topic: Concepts of
Compute the weakest precondition for the following selection construct and
the postconditions.
b = 5 * (2 * a + b);
a = 3 * b + 1 {a > 10}
Step by step
Solved in 2 steps with 1 images
- Explain how coercion rules can weaken the beneficial effect of strong typing.Compute the weakest precondition for each of the following sequencesof assignment statements and their postconditions:1. a = 2 * b + 1;b = a - 3{b < 0}2. a = 3 * (2 * b + a);b = 2 * a - 1{b > 5}Compute the weakest precondition for the following assignment statements and postconditions. (i) a : = a + 2*b - 1 {a'> 1} (ii) b: = (c + 10)/3 {b > 6}.
- Objective: The objective of this discussion is to be aware of various control structures. Problem Statement: Feel free to answer one of the following questions: 1. Discuss the selection constructs. Give an illustrative example for each one of them. 2. Discuss the repetition constructs. Give an illustrative example for each one of them.True or False. In a statically-scoped functional language, a function must be represented at run time as a pair of pointers, a pointer to the environment in which the function was defined.Recursive Descent subprogram with EBNF rule, using C or Java syntax (syntax) Type (Recursive-Descent Subprogram): -> while () ; The lex method to be used reads a single lexeme, and the lexemes' token code is in the nextToken variable is to the left. Suppose that the defined tokens are respectively: while - WHILE_CODE left parantex - LEFTPAREN_CODE right parenthesis - RIGHTPAREN_CODE semicolon - SEMICOLON_CODE If any error is caught, create the function that calls the error function.
- A(n) ------------- declaration imports one static member.Haskell - Using the definition for a Term as: data Term = Var String | Application Term Term | Lambda String Term Construct a Beta-Reduction Haskell function as per the definition below: betaReduce :: Term -> Term -> Term It can assume its first argument is a lambda expression. Note: If the formal parameter of that lambda expression is free in the second argument, it must alpha rename it.Write a segment code in any language you prefer that behaves differently if the language used structural equivalence two types as the same if they consist of the same components. name equivalence each type declaration introduces a new type, distinct from all others. declaration equivalence two types are equivalent if they lead back to the same type.
- Assume the definition of class houseType as given in Exercise 11. Answer the following questions. (1, 2, 3, 5, 7) a. Write the definition of the member function set so that private members are set according to the parameters. b. Write the definition of the member function print that prints the values of the data members. c. Write the definition of the constructor of the class houseType so that the private member variables are initialized to according to the parameters. d. Write a C++ statement that prints the value of the object newHouse. e. Write a C + + statement that declares an object house of type newHouse, and initializes the member variables of house to "Ranch", 3, 2, 2, 2005, 1300, 185000, and 3600.0, respectively. f. Which function members are accessors and which are mutators?Question 1: Blood Donation For this question you will be writing a program to solve the same problem as Question 2 from Assignment 4. However, as described at the beginning of the assignment specification your solution for this assignment must not use explicit recursion. Since the purpose, contract, and examples would be identical to the solution for the Assignment 4. However, you are encouraged to properly document and fully test your solution. You are welcome to use code and tests from the model solution in your submission for this question. Here is the problem specification. Hospitals rely on donors to provide blood for people who are in accidents or scheduled for surgery. However, people have different blood types, and some blood types are compatible for donation and others are not. There are eight different blood types: O-, O+, B-, B+, A-, A+, AB-, AB+ The rules for blood donations are shown in a table from the Canadian Blood Services website. Here is a summary of that table: * A…Explain in detail the concepts of inline function and static member function using a programme. Explain in detail the distinction between object-oriented and procedural programming languages.