# Omission in the Fortran 2023 Standard?

**URL:** https://fortran-lang.discourse.group/t/omission-in-the-fortran-2023-standard/8997
**Category:** Uncategorized
**Created:** [December 24, 2024, 10:21am UTC](https://fortran-lang.discourse.group/t/omission-in-the-fortran-2023-standard/8997 "2024-12-24T10:21:43Z")
**Posts on this page:** 1
**Page:** 2

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### Author: ![Harper](https://avatars.discourse-cdn.com/v4/letter/h/b5ac83/32.png) [@Harper](https://fortran-lang.discourse.group/u/Harper)
#### Post date: [December 27, 2024, 4:53am UTC](https://fortran-lang.discourse.group/t/omission-in-the-fortran-2023-standard/8997/21 "2024-12-27T04:53:03Z")

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@RonShephard’s program ran with gfortran, ifx, ifort and AMD flang. The complex `z` was treated as two real values by all of them, so the format `(b64)` was used twice, writing two lines. Lfortran has not yet implemented `b` format.

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