I had a mildy wild idea: can you define a user-defined operator that actually takes three arguments? Obviously, not directly, but an operator that clips a value between two bounds could look like: y = x .clip. [0.0, 2.0] This works (see example code) with gfortran and flang. But ifx protests: …

If you need a workaround, this works ( Compiler Explorer ): real :: x, r(2) r = [0.0, 2.0] x = 1.0 ! Workaround 1 write(*,*) x .clip. r ! Workaround 2 associate(t => [0.0,2.0]) write(*,*) x.clip.t end associate

Another workaround: write(*,*) (x .clip. [0.0, 2.0]) write(*,*) (x .clip. [0.0, 0.5])

Well, the most important points: The operator is valid (that was my main question) The ifx compiler is misinterpreting the code Thanks for looking into this.

Standard use of user-defined operators?

Help

Arjen February 24, 2026, 7:40am 6

Well, the most important points:

The operator is valid (that was my main question)
The ifx compiler is misinterpreting the code

Thanks for looking into this.

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Standard use of user-defined operators?

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