Intrinsic data types

Intrinsic types and their operations are predefined and always accessible. The two classes of intrinsic types are numeric and nonnumeric, with a number of types comprising each class.
Table 1. Intrinsic Types
Numeric Intrinsic Types Nonnumeric Intrinsic Types
Integer Logical
Real Character
Complex Vector  1 
Byte  1  Byte  1 
Note:
  •  1  IBM extension

XL Fortran also supports derived types, which are composite data types that can contain both intrinsic and derived types.



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