Allocatable

Definitions

1. In Fortran, an attribute applied to arrays (and since F2003, scalars) indicating that their storage is dynamically allocated and deallocated at runtime rather than fixed at compile time.

   In plain English: A label in Fortran that lets a variable grab memory while the program is running instead of needing a fixed size up front.

   Example: "Declare the matrix as allocatable so it can grow to whatever size the input file requires."

Related Terms

• Space Complexity
• Broadcasting
• Buffer
• Cache
• Chunk
• Common Block
• Do-Loop
• Heap
• Retain Cycle
• Segfault
• Smart Pointer
• Struct
• Variable
• Vector
• Weak Reference
• Working Storage
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• Reference Type
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