Question 1

How do I install functional-fortran using fpm?

Accepted Answer

Add 'functional' as a dependency in your fpm.toml with the Git URL from the README, then run 'fpm build'. It integrates seamlessly with modern Fortran package management.

Question 2

Is functional-fortran suitable for high-performance numerical simulations?

Accepted Answer

It can be used, but the functional abstractions may introduce performance overhead. For max performance, native Fortran loops and intrinsics are often better.

Question 3

Can I mix functional-fortran with my existing imperative Fortran code?

Accepted Answer

Yes, you can include the module and use functions alongside standard code, but adopting functional patterns might require refactoring for consistency.

Question 4

What's the difference between foldl and foldt in functional-fortran?

Accepted Answer

foldl is a left fold, foldt is a tree fold; they differ in recursion pattern but yield the same result for associative functions, with foldt potentially being more efficient for large arrays.

Question 5

Functional-fortran or Fortran array intrinsics for simple operations?

Accepted Answer

For simple tasks like summing arrays, use intrinsics; functional-fortran is better when you need higher-order functions or set operations not available in standard Fortran.

Question 6

How does error handling work in functional-fortran?

Accepted Answer

The library uses safe defaults, e.g., returning empty arrays for out-of-bounds access, but it assumes pure functions; users must handle logical errors in their input functions.

Question 7

Are there any benchmarks comparing functional-fortran to other methods?

Accepted Answer

The README doesn't provide benchmarks; performance may vary, and it's recommended to test in your specific context, especially for large-scale computations.

Functional Fortran

What is Functional Fortran?

Overview

Use Cases

Best For

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Pros & Cons

Pros

Cons

Frequently Asked Questions