February 2019
Intermediate to advanced
292 pages
6h 55m
English
Content preview from The Ray Tracer Challenge
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Creating a Matrix
First things first. You need to be able to describe a new matrix. Write a test like the following, which shows that a matrix is composed of four rows of four floating point numbers each, for a total of sixteen numbers. It should also show how to refer to the elements of the matrix.
| | Scenario: Constructing and inspecting a 4x4 matrix |
| | Given the following 4x4 matrix M: |
| | | 1 | 2 | 3 | 4 | |
| | | 5.5 | 6.5 | 7.5 | 8.5 | |
| | | 9 | 10 | 11 | 12 | |
| | | 13.5 | 14.5 | 15.5 | 16.5 | |
| | Then M[0,0] = 1 |
| | And M[0,3] = 4 |
| | And M[1,0] = 5.5 |
| | And M[1,2] = 7.5 |
| | And M[2,2] = 11 |
| | And M[3,0] = 13.5 |
| | And M[3,2] = 15.5 |
The first thing to notice is when talking about the individual elements of the matrix, ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
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.