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[Octave-bug-tracker] [bug #59955] dlmwrite fails silently for variables
From: |
anonymous |
Subject: |
[Octave-bug-tracker] [bug #59955] dlmwrite fails silently for variables larger than 2^31 elements |
Date: |
Wed, 27 Jan 2021 12:18:30 -0500 (EST) |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:85.0) Gecko/20100101 Firefox/85.0 |
URL:
<https://savannah.gnu.org/bugs/?59955>
Summary: dlmwrite fails silently for variables larger than
2^31 elements
Project: GNU Octave
Submitted by: None
Submitted on: Wed 27 Jan 2021 05:18:28 PM UTC
Category: Octave Function
Severity: 3 - Normal
Priority: 5 - Normal
Item Group: Incorrect Result
Status: None
Assigned to: None
Originator Name:
Originator Email:
Open/Closed: Open
Release: dev
Discussion Lock: Any
Operating System: GNU/Linux
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Details:
This operation causes dlmwrite to write out a file that only has a single
comma separator with no data. There is no error message about size limits etc.
Perhaps dlmwrite can be made to reject variables larger than a certain size if
that's appropriate? This is on Octave 7.0.0 compiled with --enable-64 on
64-bit Linux.
foo = ones (121e6, 18, "uint8"); # larger than 2^31 elements, fails
dlmwrite ("myfilename", foo);
However dlmwrite does work for variables that are larger than 2^31 bytes as
long as they have fewer than 2^31 elements, e.g. a double array foo = ones
(16e6, 18).
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- [Octave-bug-tracker] [bug #59955] dlmwrite fails silently for variables larger than 2^31 elements,
anonymous <=