bugGNU Octave - Bugs: bug #52380, lower/upper functions should pass...


bug #52380: lower/upper functions should pass any numeric value?

Submitted by:  A.R. Burgers <arb>
Submitted on:  Thu 09 Nov 2017 10:08:51 PM UTC  
Category: InterpreterSeverity: 3 - Normal
Priority: 5 - NormalItem Group: Matlab Compatibility
Status: ConfirmedAssigned to: None
Originator Name: Open/Closed: Open
Release: devOperating System: Any

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Mon 13 Nov 2017 07:17:37 PM UTC, comment #2:

from an examination of the code, it appears making lower/upper work on complex numbers entails implementing the umap_xtolower/umap_xtoupper to files ov-cx-mat.cc, ov-flt-cx-mat.cc and complex.cc in libinterp/octave-value.

A.R. Burgers <arb>
Sat 11 Nov 2017 01:08:02 AM UTC, comment #1:

I can confirm this for R2017b, even though the Matlab documentation does not mention this use case:


For what I see, this item is independent of bug #52358, but it is an example where this behavior was triggered.

Kai Torben Ohlhus <siko1056>
Project Member
Thu 09 Nov 2017 10:08:51 PM UTC, original submission:

See http://savannah.gnu.org/bugs/?52358

There it appears tolower fails on complex numeric values.
I guess lower/upper should return any numeric value unchanged:

On matlab


A.R. Burgers <arb>


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    Follows 1 latest change.

    Date Changed By Updated Field Previous Value => Replaced By
    Sat 11 Nov 2017 01:08:02 AM UTCsiko1056StatusNone=>Confirmed

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