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What are the problems (if any) with the following functions? Fix them and find appropriate pre- and postconditions. 1. function is even: bool is_even(unsigned int 1) { if (1 % 2 == 0) return true; 2. function invert: Floating Point Calculations & Basic. https://expert.ethz.ch/print/ifme: double invert(double x) { double result; if (x !- 0) { result -1/ x; return result;

What are the problems (if any) with the following functions? Fix them and find appropriate pre- and postconditions. 1. function is even: bool is_even(unsigned int 1) { if (1 % 2 == 0) return true; 2. function invert: Floating Point Calculations & Basic. https://expert.ethz.ch/print/ifme: double invert(double x) { double result; if (x !- 0) { result -1/ x; return result;

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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19:27 O N{ ll 62% exercises05.pdf Task 5: Fixing Functions Open Task This tosk is a text based task. You do not need to write any program/C++ file: the onswer should be written in main.md (and might include code fragments if questions ask for them). Task: What are the problems (if any) with the following functions? Fix them and find appropriate pre- and postconditions. 1. function is_even: bool is_even (unsigned int i) { if (1 % 2 == 0) return true; 2. function invert: 3 of 4. 2019-10-15 10:45 Exercise 5: Floating Point Calculations & Basic.. https://expert.ethz.ch/print/ifme1/AS19/XGRNV.. double invert(double x) { double result; if (x != 0) { result = 1 / x; return result; Hint: The C++ compiler does not protect you from certain types of errors. Therefore, even if you run a program in Code Expert, it is not guaranteed that the behaviour you observe is the "real" one. We have prepared a program tracing handout that shows how to execute a program with a pen and paper and which conditions indicate bugs in the executed program not caught by the C++ compiler.
Transcribed Image Text:19:27 O N{ ll 62% exercises05.pdf Task 5: Fixing Functions Open Task This tosk is a text based task. You do not need to write any program/C++ file: the onswer should be written in main.md (and might include code fragments if questions ask for them). Task: What are the problems (if any) with the following functions? Fix them and find appropriate pre- and postconditions. 1. function is_even: bool is_even (unsigned int i) { if (1 % 2 == 0) return true; 2. function invert: 3 of 4. 2019-10-15 10:45 Exercise 5: Floating Point Calculations & Basic.. https://expert.ethz.ch/print/ifme1/AS19/XGRNV.. double invert(double x) { double result; if (x != 0) { result = 1 / x; return result; Hint: The C++ compiler does not protect you from certain types of errors. Therefore, even if you run a program in Code Expert, it is not guaranteed that the behaviour you observe is the "real" one. We have prepared a program tracing handout that shows how to execute a program with a pen and paper and which conditions indicate bugs in the executed program not caught by the C++ compiler.
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