October 2004
Beginner
408 pages
9h 24m
English
Content preview from C Programming: Visual Quickstart GuideBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Understanding Overflow and Underflow
Another source of potential conflict can arise when the value of a variable becomes too large or too small for its type for the computer running the application. When this occurs, it's called overflow and underflow. Depending on the computer, this will either cause an error or return alternative results.
This happens most frequently with floats, and it will obviously mess up any calculations made with such a value. When you attempt to print this variable, you'll most likely see either inf or infinity, indicating that the value is out of range.
The best way to avoid these problems is by knowing the limits for a particular type. This information is stored in the limits.h (for integers and characters) and float.h ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.