terminology - What does it mean when data is scalar? - Software ...
May 6, 2014 · The term "scalar" comes from linear algebra, where it is used to differentiate a single number from a vector or matrix. The meaning in computing is similar. It distinguishes a single value …
What are the "scalar fields" and "composite fields" in JAVA?
Jul 11, 2019 · The terms 'scalar type' or 'scalar field' are usually used to contrast them with compound types/fields. A compound type is easiest to define and it is a type that contains multiple distinct …
What is meant by a primitive data type? - Software Engineering Stack ...
It kind of depends on the language. For example, in languages like C and C++, you have a number of built-in scalar types - int, float, double, char, etc. These are "primitive" in the sense that they cannot …
Why exactly does Java not allow numeric conditionals like if(5 ...
May 12, 2017 · 15 C 2011 Online Draft 6.8.4.1 The if statement Constraints 1 The controlling expression of an if statement shall have scalar type. Semantics 2 In both forms, the first substatement is …
Java - Why do we call an array a "vector"?
Aug 7, 2013 · Java inherited that meaning. It's not the same as a List or a Vector, as arrays are more basic than those. A vector is a mathematical construct defined as an object that can be added to …
How should I mark types in C and C++ programs?
There is no consensus within the C and C++ communities with regard to naming types. Although the _t suffix is indeed reserved by POSIX, some will advocate using the _t suffix for your own types as well, …
terminology - What term describes a list of exactly length 1 ...
Aug 25, 2020 · As I say, the value-carrying capacity (of a scalar type vs a length-1-rank-1 array) may be the same, but the storage of the value is structured differently. The length-1-rank-1 array contains a …
c++ - Passing parameters that need to be copied by value or const ...
Dec 16, 2014 · @rwong: using "const reference" for function parameters in C++ is not more or less idiomatic than just passing parameters by value. It is typically (but not exclusively) used for passing …
Why is negative zero important? - Software Engineering Stack Exchange
May 1, 2015 · In the second round, we make g(x) return positive zero for large x, which leads to f(x) being negative infinity, which is far from the truth. minimize_scalar finds such a case during its initial …
When is a feature considered a "First class citizen" in a programming ...
Definition An object is first-class when it: can be stored in variables and data structures can be passed as a parameter to a subroutine can be returned as the result of a subroutine can be constructed at …