Data Type - Classes of Data Types - Primitive Data Types - Numeric Types

Numeric Types

Such as:

  • The integer data types, or "whole numbers". May be subtyped according to their ability to contain negative values (e.g. unsigned in C and C++). May also have a small number of predefined subtypes (such as short and long in C/C++); or allow users to freely define subranges such as 1..12 (e.g. Pascal/Ada).
  • Floating point data types, sometimes misleadingly called reals, contain fractional values. They usually have predefined limits on both their maximum values and their precision.
  • Fixed point data types are convenient for representing monetary values. They are often implemented internally as integers, leading to predefined limits.
  • Bignum or arbitrary precision numeric types lack predefined limits. They are not primitive types, and are used sparingly for efficiency reasons.

Read more about this topic:  Data Type, Classes of Data Types, Primitive Data Types

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