Comments (17)
DylanMuir
commented on July 21, 2024
@marcsous, I can't reproduce this bug... Can you try with the most recent commit in my fork?
from mappedtensor.
DylanMuir
commented on July 21, 2024
>> b = MappedTensor(1, 3, 'Class', 'char')
b =
MappedTensor object, containing: char [1 3].
Methods
>> b(:) = 't'
b =
MappedTensor object, containing: char [1 3].
Methods
from mappedtensor.
marcsous
commented on July 21, 2024
I am seeing something very strange. When I put a keyboard command on line 432:
% my_subsref - Standard array referencing
function [tfData] = my_subsref(mtVar, S)
keyboard
% - Test for valid subscripts
cellfun(@isvalidsubscript, S.subs);
then I see this mess:
>> clear all
>> a=MappedTensor(1,3,'class','char');
K>> dbstack
> In MappedTensor.MappedTensor>MappedTensor.my_subsref at 432
In MappedTensor.MappedTensor>MappedTensor.subsref at 420
In MappedTensor.MappedTensor>MappedTensor.cast at 1465
In MappedTensor.MappedTensor>MappedTensor.double at 1446
In workspacefunc>getShortValueObjectJ at 618
In workspacefunc>getShortValueObjectsJ at 791
In workspacefunc at 98
In MappedTensor.MappedTensor>MappedTensor.my_subsref at 432
In MappedTensor.MappedTensor>MappedTensor.subsref at 420
In MappedTensor.MappedTensor>MappedTensor.cast at 1465
In MappedTensor.MappedTensor>MappedTensor.double at 1446
In workspacefunc>getShortValueObjectJ at 618
In workspacefunc>getShortValueObjectsJ at 791
In workspacefunc at 98
In MappedTensor.MappedTensor>MappedTensor.my_subsref at 432
In MappedTensor.MappedTensor>MappedTensor.subsref at 420
In MappedTensor.MappedTensor>MappedTensor.cast at 1465
In MappedTensor.MappedTensor>MappedTensor.double at 1446
In workspacefunc>getShortValueObjectJ at 618
In workspacefunc>getShortValueObjectsJ at 791
In workspacefunc at 98
In MappedTensor.MappedTensor>MappedTensor.my_subsref at 432
In MappedTensor.MappedTensor>MappedTensor.subsref at 420
In MappedTensor.MappedTensor>MappedTensor.cast at 1465
In MappedTensor.MappedTensor>MappedTensor.double at 1446
In workspacefunc>getShortValueObjectJ at 618
In workspacefunc>getShortValueObjectsJ at 791
In workspacefunc at 98
In MappedTensor.MappedTensor>MappedTensor.my_subsref at 432
In MappedTensor.MappedTensor>MappedTensor.subsref at 420
In MappedTensor.MappedTensor>MappedTensor.cast at 1465
In MappedTensor.MappedTensor>MappedTensor.double at 1446
In workspacefunc>getShortValueObjectJ at 618
In workspacefunc>getShortValueObjectsJ at 791
In workspacefunc at 98
In MappedTensor.MappedTensor>MappedTensor.my_subsref at 432
In MappedTensor.MappedTensor>MappedTensor.subsref at 420
In MappedTensor.MappedTensor>MappedTensor.cast at 1465
In MappedTensor.MappedTensor>MappedTensor.double at 1446
In workspacefunc>getShortValueObjectJ at 618
In workspacefunc>getShortValueObjectsJ at 791
In workspacefunc at 98
In MappedTensor.MappedTensor>MappedTensor.my_subsref at 432
In MappedTensor.MappedTensor>MappedTensor.subsref at 420
In MappedTensor.MappedTensor>MappedTensor.cast at 1465
In MappedTensor.MappedTensor>MappedTensor.double at 1446
In workspacefunc>getShortValueObjectJ at 618
In workspacefunc>getShortValueObjectsJ at 791
In workspacefunc at 98
In MappedTensor.MappedTensor>MappedTensor.my_subsref at 432
In MappedTensor.MappedTensor>MappedTensor.subsref at 420
In MappedTensor.MappedTensor>MappedTensor.cast at 1465
In MappedTensor.MappedTensor>MappedTensor.double at 1446
In workspacefunc>getShortValueObjectJ at 618
In workspacefunc>getShortValueObjectsJ at 791
In workspacefunc at 98
In MappedTensor.MappedTensor>MappedTensor.my_subsref at 432
In MappedTensor.MappedTensor>MappedTensor.subsref at 420
In MappedTensor.MappedTensor>MappedTensor.cast at 1465
In MappedTensor.MappedTensor>MappedTensor.double at 1446
In workspacefunc>getShortValueObjectJ at 618
In workspacefunc>getShortValueObjectsJ at 791
In workspacefunc at 98
In MappedTensor.MappedTensor>MappedTensor.my_subsref at 432
In MappedTensor.MappedTensor>MappedTensor.subsref at 420
In MappedTensor.MappedTensor>MappedTensor.cast at 1465
In MappedTensor.MappedTensor>MappedTensor.double at 1446
In workspacefunc>getShortValueObjectJ at 618
In workspacefunc>getShortValueObjectsJ at 791
In workspacefunc at 98
In MappedTensor.MappedTensor>MappedTensor.my_subsref at 432
In MappedTensor.MappedTensor>MappedTensor.subsref at 420
In MappedTensor.MappedTensor>MappedTensor.cast at 1465
In MappedTensor.MappedTensor>MappedTensor.double at 1446
In workspacefunc>getShortValueObjectJ at 618
In workspacefunc>getShortValueObjectsJ at 791
In workspacefunc at 98
In MappedTensor.MappedTensor>MappedTensor.my_subsref at 432
In MappedTensor.MappedTensor>MappedTensor.subsref at 420
In MappedTensor.MappedTensor>MappedTensor.cast at 1465
In MappedTensor.MappedTensor>MappedTensor.double at 1446
In workspacefunc>getShortValueObjectJ at 618
In workspacefunc>getShortValueObjectsJ at 791
In workspacefunc at 98
In MappedTensor.MappedTensor>MappedTensor.my_subsref at 432
In MappedTensor.MappedTensor>MappedTensor.subsref at 420
In MappedTensor.MappedTensor>MappedTensor.cast at 1465
In MappedTensor.MappedTensor>MappedTensor.double at 1446
In workspacefunc>getShortValueObjectJ at 618
In workspacefunc>getShortValueObjectsJ at 791
In workspacefunc at 98
In MappedTensor.MappedTensor>MappedTensor.my_subsref at 432
In MappedTensor.MappedTensor>MappedTensor.subsref at 420
In MappedTensor.MappedTensor>MappedTensor.cast at 1465
In MappedTensor.MappedTensor>MappedTensor.double at 1446
In workspacefunc>getShortValueObjectJ at 618
In workspacefunc>getShortValueObjectsJ at 791
In workspacefunc at 98
In MappedTensor.MappedTensor>MappedTensor.my_subsref at 432
In MappedTensor.MappedTensor>MappedTensor.subsref at 420
In MappedTensor.MappedTensor>MappedTensor.cast at 1465
In MappedTensor.MappedTensor>MappedTensor.double at 1446
In workspacefunc>getShortValueObjectJ at 618
In workspacefunc>getShortValueObjectsJ at 791
In workspacefunc at 98
In MappedTensor.MappedTensor>MappedTensor.my_subsref at 432
In MappedTensor.MappedTensor>MappedTensor.subsref at 420
In MappedTensor.MappedTensor>MappedTensor.cast at 1465
In MappedTensor.MappedTensor>MappedTensor.double at 1446
In workspacefunc>getShortValueObjectJ at 618
In workspacefunc>getShortValueObjectsJ at 791
In workspacefunc at 98
In MappedTensor.MappedTensor>MappedTensor.my_subsref at 432
In MappedTensor.MappedTensor>MappedTensor.subsref at 420
In MappedTensor.MappedTensor>MappedTensor.cast at 1465
In MappedTensor.MappedTensor>MappedTensor.double at 1446
In workspacefunc>getShortValueObjectJ at 618
In workspacefunc>getShortValueObjectsJ at 791
In workspacefunc at 98
In MappedTensor.MappedTensor>MappedTensor.my_subsref at 432
In MappedTensor.MappedTensor>MappedTensor.subsref at 420
In MappedTensor.MappedTensor>MappedTensor.cast at 1465
In MappedTensor.MappedTensor>MappedTensor.double at 1446
In workspacefunc>getShortValueObjectJ at 618
In workspacefunc>getShortValueObjectsJ at 791
In workspacefunc at 98
In MappedTensor.MappedTensor>MappedTensor.my_subsref at 432
In MappedTensor.MappedTensor>MappedTensor.subsref at 420
In MappedTensor.MappedTensor>MappedTensor.cast at 1465
In MappedTensor.MappedTensor>MappedTensor.double at 1446
In workspacefunc>getShortValueObjectJ at 618
In workspacefunc>getShortValueObjectsJ at 791
In workspacefunc at 98
In MappedTensor.MappedTensor>MappedTensor.my_subsref at 432
In MappedTensor.MappedTensor>MappedTensor.subsref at 420
In MappedTensor.MappedTensor>MappedTensor.cast at 1465
In MappedTensor.MappedTensor>MappedTensor.double at 1446
In workspacefunc>getShortValueObjectJ at 618
In workspacefunc>getShortValueObjectsJ at 791
In workspacefunc at 98
In MappedTensor.MappedTensor>MappedTensor.my_subsref at 432
In MappedTensor.MappedTensor>MappedTensor.subsref at 420
In MappedTensor.MappedTensor>MappedTensor.cast at 1465
In MappedTensor.MappedTensor>MappedTensor.double at 1446
In workspacefunc>getShortValueObjectJ at 618
In workspacefunc>getShortValueObjectsJ at 791
In workspacefunc at 98
In MappedTensor.MappedTensor>MappedTensor.my_subsref at 432
In MappedTensor.MappedTensor>MappedTensor.subsref at 420
In MappedTensor.MappedTensor>MappedTensor.cast at 1465
In MappedTensor.MappedTensor>MappedTensor.double at 1446
In workspacefunc>getShortValueObjectJ at 618
In workspacefunc>getShortValueObjectsJ at 791
In workspacefunc at 98
In MappedTensor.MappedTensor>MappedTensor.my_subsref at 432
In MappedTensor.MappedTensor>MappedTensor.subsref at 420
In MappedTensor.MappedTensor>MappedTensor.cast at 1465
In MappedTensor.MappedTensor>MappedTensor.double at 1446
In workspacefunc>getShortValueObjectJ at 618
In workspacefunc>getShortValueObjectsJ at 791
In workspacefunc at 98
In MappedTensor.MappedTensor>MappedTensor.my_subsref at 432
In MappedTensor.MappedTensor>MappedTensor.subsref at 420
In MappedTensor.MappedTensor>MappedTensor.cast at 1465
In MappedTensor.MappedTensor>MappedTensor.double at 1446
In workspacefunc>getShortValueObjectJ at 618
In workspacefunc>getShortValueObjectsJ at 791
In workspacefunc at 98
In MappedTensor.MappedTensor>MappedTensor.my_subsref at 432
In MappedTensor.MappedTensor>MappedTensor.subsref at 420
In MappedTensor.MappedTensor>MappedTensor.cast at 1465
In MappedTensor.MappedTensor>MappedTensor.double at 1446
In workspacefunc>getShortValueObjectJ at 618
In workspacefunc>getShortValueObjectsJ at 791
In workspacefunc at 98
In MappedTensor.MappedTensor>MappedTensor.my_subsref at 432
In MappedTensor.MappedTensor>MappedTensor.subsref at 420
In MappedTensor.MappedTensor>MappedTensor.cast at 1465
In MappedTensor.MappedTensor>MappedTensor.double at 1446
In workspacefunc>getShortValueObjectJ at 618
In workspacefunc>getShortValueObjectsJ at 791
In workspacefunc at 98
In MappedTensor.MappedTensor>MappedTensor.my_subsref at 432
In MappedTensor.MappedTensor>MappedTensor.subsref at 420
In MappedTensor.MappedTensor>MappedTensor.cast at 1465
In MappedTensor.MappedTensor>MappedTensor.double at 1446
In workspacefunc>getShortValueObjectJ at 618
In workspacefunc>getShortValueObjectsJ at 791
In workspacefunc at 98
In MappedTensor.MappedTensor>MappedTensor.my_subsref at 432
In MappedTensor.MappedTensor>MappedTensor.subsref at 420
In MappedTensor.MappedTensor>MappedTensor.cast at 1465
In MappedTensor.MappedTensor>MappedTensor.double at 1446
In workspacefunc>getShortValueObjectJ at 618
In workspacefunc>getShortValueObjectsJ at 791
In workspacefunc at 98
In MappedTensor.MappedTensor>MappedTensor.my_subsref at 432
In MappedTensor.MappedTensor>MappedTensor.subsref at 420
In MappedTensor.MappedTensor>MappedTensor.cast at 1465
In MappedTensor.MappedTensor>MappedTensor.double at 1446
In workspacefunc>getShortValueObjectJ at 618
In workspacefunc>getShortValueObjectsJ at 791
In workspacefunc at 98
In MappedTensor.MappedTensor>MappedTensor.my_subsref at 432
In MappedTensor.MappedTensor>MappedTensor.subsref at 420
In MappedTensor.MappedTensor>MappedTensor.cast at 1465
In MappedTensor.MappedTensor>MappedTensor.double at 1446
In workspacefunc>getShortValueObjectJ at 618
In workspacefunc>getShortValueObjectsJ at 791
In workspacefunc at 98
In MappedTensor.MappedTensor>MappedTensor.my_subsref at 432
In MappedTensor.MappedTensor>MappedTensor.subsref at 420
In MappedTensor.MappedTensor>MappedTensor.cast at 1465
In MappedTensor.MappedTensor>MappedTensor.double at 1446
In workspacefunc>getShortValueObjectJ at 618
In workspacefunc>getShortValueObjectsJ at 791
In workspacefunc at 98
In MappedTensor.MappedTensor>MappedTensor.my_subsref at 432
In MappedTensor.MappedTensor>MappedTensor.subsref at 420
In MappedTensor.MappedTensor>MappedTensor.cast at 1465
In MappedTensor.MappedTensor>MappedTensor.double at 1446
In workspacefunc>getShortValueObjectJ at 618
In workspacefunc>getShortValueObjectsJ at 791
In workspacefunc at 98
In MappedTensor.MappedTensor>MappedTensor.my_subsref at 432
In MappedTensor.MappedTensor>MappedTensor.subsref at 420
In MappedTensor.MappedTensor>MappedTensor.cast at 1465
In MappedTensor.MappedTensor>MappedTensor.double at 1446
In workspacefunc>getShortValueObjectJ at 618
In workspacefunc>getShortValueObjectsJ at 791
In workspacefunc at 98
In MappedTensor.MappedTensor>MappedTensor.my_subsref at 432
In MappedTensor.MappedTensor>MappedTensor.subsref at 420
In MappedTensor.MappedTensor>MappedTensor.cast at 1465
In MappedTensor.MappedTensor>MappedTensor.double at 1446
In workspacefunc>getShortValueObjectJ at 618
In workspacefunc>getShortValueObjectsJ at 791
In workspacefunc at 98
In MappedTensor.MappedTensor>MappedTensor.my_subsref at 432
In MappedTensor.MappedTensor>MappedTensor.subsref at 420
In MappedTensor.MappedTensor>MappedTensor.cast at 1465
In MappedTensor.MappedTensor>MappedTensor.double at 1446
In workspacefunc>getShortValueObjectJ at 618
In workspacefunc>getShortValueObjectsJ at 791
In workspacefunc at 98
In MappedTensor.MappedTensor>MappedTensor.my_subsref at 432
In MappedTensor.MappedTensor>MappedTensor.subsref at 420
In MappedTensor.MappedTensor>MappedTensor.cast at 1465
In MappedTensor.MappedTensor>MappedTensor.double at 1446
In workspacefunc>getShortValueObjectJ at 618
In workspacefunc>getShortValueObjectsJ at 791
In workspacefunc at 98
In MappedTensor.MappedTensor>MappedTensor.my_subsref at 432
In MappedTensor.MappedTensor>MappedTensor.subsref at 420
In MappedTensor.MappedTensor>MappedTensor.cast at 1465
In MappedTensor.MappedTensor>MappedTensor.double at 1446
In workspacefunc>getShortValueObjectJ at 618
In workspacefunc>getShortValueObjectsJ at 791
In workspacefunc at 98
In MappedTensor.MappedTensor>MappedTensor.my_subsref at 432
In MappedTensor.MappedTensor>MappedTensor.subsref at 420
In MappedTensor.MappedTensor>MappedTensor.cast at 1465
In MappedTensor.MappedTensor>MappedTensor.double at 1446
In workspacefunc>getShortValueObjectJ at 618
In workspacefunc>getShortValueObjectsJ at 791
In workspacefunc at 98
In MappedTensor.MappedTensor>MappedTensor.my_subsref at 432
In MappedTensor.MappedTensor>MappedTensor.subsref at 420
In MappedTensor.MappedTensor>MappedTensor.cast at 1465
In MappedTensor.MappedTensor>MappedTensor.double at 1446
In workspacefunc>getShortValueObjectJ at 618
In workspacefunc>getShortValueObjectsJ at 791
In workspacefunc at 98
In MappedTensor.MappedTensor>MappedTensor.my_subsref at 432
In MappedTensor.MappedTensor>MappedTensor.subsref at 420
In MappedTensor.MappedTensor>MappedTensor.cast at 1465
In MappedTensor.MappedTensor>MappedTensor.double at 1446
In workspacefunc>getShortValueObjectJ at 618
In workspacefunc>getShortValueObjectsJ at 791
In workspacefunc at 98
In MappedTensor.MappedTensor>MappedTensor.my_subsref at 432
In MappedTensor.MappedTensor>MappedTensor.subsref at 420
In MappedTensor.MappedTensor>MappedTensor.cast at 1465
In MappedTensor.MappedTensor>MappedTensor.double at 1446
In workspacefunc>getShortValueObjectJ at 618
In workspacefunc>getShortValueObjectsJ at 791
In workspacefunc at 98
In MappedTensor.MappedTensor>MappedTensor.my_subsref at 432
In MappedTensor.MappedTensor>MappedTensor.subsref at 420
In MappedTensor.MappedTensor>MappedTensor.cast at 1465
In MappedTensor.MappedTensor>MappedTensor.double at 1446
In workspacefunc>getShortValueObjectJ at 618
In workspacefunc>getShortValueObjectsJ at 791
In workspacefunc at 98
In MappedTensor.MappedTensor>MappedTensor.my_subsref at 432
In MappedTensor.MappedTensor>MappedTensor.subsref at 420
In MappedTensor.MappedTensor>MappedTensor.cast at 1465
In MappedTensor.MappedTensor>MappedTensor.double at 1446
In workspacefunc>getShortValueObjectJ at 618
In workspacefunc>getShortValueObjectsJ at 791
In workspacefunc at 98
In MappedTensor.MappedTensor>MappedTensor.my_subsref at 432
In MappedTensor.MappedTensor>MappedTensor.subsref at 420
In MappedTensor.MappedTensor>MappedTensor.cast at 1465
In MappedTensor.MappedTensor>MappedTensor.double at 1446
In workspacefunc>getShortValueObjectJ at 618
In workspacefunc>getShortValueObjectsJ at 791
In workspacefunc at 98
In MappedTensor.MappedTensor>MappedTensor.my_subsref at 432
In MappedTensor.MappedTensor>MappedTensor.subsref at 420
In MappedTensor.MappedTensor>MappedTensor.cast at 1465
In MappedTensor.MappedTensor>MappedTensor.double at 1446
In workspacefunc>getShortValueObjectJ at 618
In workspacefunc>getShortValueObjectsJ at 791
In workspacefunc at 98
In MappedTensor.MappedTensor>MappedTensor.my_subsref at 432
In MappedTensor.MappedTensor>MappedTensor.subsref at 420
In MappedTensor.MappedTensor>MappedTensor.cast at 1465
In MappedTensor.MappedTensor>MappedTensor.double at 1446
In workspacefunc>getShortValueObjectJ at 618
In workspacefunc>getShortValueObjectsJ at 791
In workspacefunc at 98
In MappedTensor.MappedTensor>MappedTensor.my_subsref at 432
In MappedTensor.MappedTensor>MappedTensor.subsref at 420
In MappedTensor.MappedTensor>MappedTensor.cast at 1465
In MappedTensor.MappedTensor>MappedTensor.double at 1446
In workspacefunc>getShortValueObjectJ at 618
In workspacefunc>getShortValueObjectsJ at 791
In workspacefunc at 98
In MappedTensor.MappedTensor>MappedTensor.my_subsref at 432
In MappedTensor.MappedTensor>MappedTensor.subsref at 420
In MappedTensor.MappedTensor>MappedTensor.cast at 1465
In MappedTensor.MappedTensor>MappedTensor.double at 1446
In workspacefunc>getShortValueObjectJ at 618
In workspacefunc>getShortValueObjectsJ at 791
In workspacefunc at 98
In MappedTensor.MappedTensor>MappedTensor.my_subsref at 432
In MappedTensor.MappedTensor>MappedTensor.subsref at 420
In MappedTensor.MappedTensor>MappedTensor.cast at 1465
In MappedTensor.MappedTensor>MappedTensor.double at 1446
In workspacefunc>getShortValueObjectJ at 618
In workspacefunc>getShortValueObjectsJ at 791
In workspacefunc at 98
In MappedTensor.MappedTensor>MappedTensor.my_subsref at 432
In MappedTensor.MappedTensor>MappedTensor.subsref at 420
In MappedTensor.MappedTensor>MappedTensor.cast at 1465
In MappedTensor.MappedTensor>MappedTensor.double at 1446
In workspacefunc>getShortValueObjectJ at 618
In workspacefunc>getShortValueObjectsJ at 791
In workspacefunc at 98
In MappedTensor.MappedTensor>MappedTensor.my_subsref at 432
In MappedTensor.MappedTensor>MappedTensor.subsref at 420
In MappedTensor.MappedTensor>MappedTensor.cast at 1465
In MappedTensor.MappedTensor>MappedTensor.double at 1446
In workspacefunc>getShortValueObjectJ at 618
In workspacefunc>getShortValueObjectsJ at 791
In workspacefunc at 98
In MappedTensor.MappedTensor>MappedTensor.my_subsref at 432
In MappedTensor.MappedTensor>MappedTensor.subsref at 420
In MappedTensor.MappedTensor>MappedTensor.cast at 1465
In MappedTensor.MappedTensor>MappedTensor.double at 1446
In workspacefunc>getShortValueObjectJ at 618
In workspacefunc>getShortValueObjectsJ at 791
In workspacefunc at 98
In MappedTensor.MappedTensor>MappedTensor.my_subsref at 432
In MappedTensor.MappedTensor>MappedTensor.subsref at 420
In MappedTensor.MappedTensor>MappedTensor.cast at 1465
In MappedTensor.MappedTensor>MappedTensor.double at 1446
In workspacefunc>getShortValueObjectJ at 618
In workspacefunc>getShortValueObjectsJ at 791
In workspacefunc at 98
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DylanMuir
commented on July 21, 2024
I can't reproduce this either. Have you tried with a cleanly checked-out version?
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marcsous
commented on July 21, 2024
Yes this is with the latest. It only happens with char:
>> clear
>> a=MappedTensor(1,3,'class','single');
>> a=MappedTensor(1,3,'class','double');
>> a=MappedTensor(1,3,'class','int8');
>> a=MappedTensor(1,3,'class','uint8');
>> a=MappedTensor(1,3,'class','logical');
>> a=MappedTensor(1,3,'class','char');
K>>
Makes no sense at all! This is on R2013a, I'll check on R2014b on Monday.
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DylanMuir
commented on July 21, 2024
I ran exactly that line of code with no problems. I have R2014b; maybe it’s something weird about 2013…?
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marcsous
commented on July 21, 2024
I think what is happening is the GUI is trying to display values in the Workspace / Values column but encountering the /0 character. It shows "Error displaying value" on my version. They must have added some handling for that versions >R2013a.
Not sure there is an easy cure. Presently char MappedTensor does not work on my version. I can live with that :)
>> clear all
>> a=MappedTensor(1,3,'class','char');
>> details(a)
1x3 MappedTensor handle array with properties:
strRealFilename: '/tmp/tp6a1213cd_81e6_446f_8639_325618e84897'
strCmplxFilename: []
bReadOnly: 0
hRealContent: [240 77 123 214 75 127 0 0]
hCmplxContent: []
bTemporary: 1
strClass: 'double'
strStorageClass: 'uint16'
nClassSize: 2
vnDimensionOrder: [1 2]
nNumElements: 3
vnOriginalSize: [1 3]
bMustCast: 1
bIsComplex: 0
fComplexFactor: 1
fRealFactor: 1
nHeaderBytes: 0
strMachineFormat: 'ieee-le'
bBigEndian: 0
hShimFunc: @mapped_tensor_shim
hRepSumFunc: @mapped_tensor_repsum
hChunkLengthFunc: @mapped_tensor_chunklength
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DylanMuir
commented on July 21, 2024
Ok, this issue may be resolved in the latest commit. Please give it a go.
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marcsous
commented on July 21, 2024
Sorry to report, still not working, It only happens with this particular size of array [1 n], not with [n 1] or multi-dimensional, perhaps because Matlab tries to display it as a string in the Workspace -> Value column and somehow gets in a mess. It's got to be a bug in Matlab since you see it working in R2014b.
>> a=MappedTensor(1,3,'class','char');
>> details(a)
1x3 MappedTensor handle array with properties:
strRealFilename: '/tmp/tpf2717960_650a_412c_a60d_160574a7960d'
strCmplxFilename: []
bReadOnly: 0
hRealContent: [208 89 163 198 25 127 0 0]
hCmplxContent: []
bTemporary: 1
strClass: 'double'
strStorageClass: 'uint16'
nClassSize: 2
vnDimensionOrder: [1 2]
nNumElements: 3
vnOriginalSize: [1 3]
bMustCast: 1
bIsComplex: 0
fComplexFactor: 1
fRealFactor: 1
nHeaderBytes: 0
strMachineFormat: 'ieee-le'
bBigEndian: 0
hShimFunc: @mapped_tensor_shim
hRepSumFunc: @mapped_tensor_repsum
hChunkLengthFunc: @mapped_tensor_chunklength
from mappedtensor.
DylanMuir
commented on July 21, 2024
But if you switch off the workspace display, does the bug still occur? Could be matlab is casting to double for display or something.
On 1 May 2016, at 2:23 PM, marcsous [email protected] wrote:
Sorry to report, still not working, It only happens with this particular size of array [1 n], not with [n 1] or multi-dimensional, perhaps because Matlab tries to display it as a string in the Workspace -> Value column and somehow gets in a mess. It's got to be a bug in Matlab since you see it working in R2014b.
a=MappedTensor(1,3,'class','char');
details(a)1x3 MappedTensor handle array with properties:
strRealFilename: '/tmp/tpf2717960_650a_412c_a60d_160574a7960d' strCmplxFilename: [] bReadOnly: 0 hRealContent: [208 89 163 198 25 127 0 0] hCmplxContent: [] bTemporary: 1 strClass: 'double' strStorageClass: 'uint16' nClassSize: 2 vnDimensionOrder: [1 2] nNumElements: 3 vnOriginalSize: [1 3] bMustCast: 1 bIsComplex: 0 fComplexFactor: 1 fRealFactor: 1 nHeaderBytes: 0 strMachineFormat: 'ieee-le' bBigEndian: 0 hShimFunc: @mapped_tensor_shim hRepSumFunc: @mapped_tensor_repsum hChunkLengthFunc: @mapped_tensor_chunklength—
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marcsous
commented on July 21, 2024
BINGO! That solved it.
Edit: Well, not solved it - but that was it :)
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DylanMuir
commented on July 21, 2024
It’s caused by the transparent casting, then. But why only for char? And how can we possibly fix this?
On 1 May 2016, at 2:39 pm, marcsous [email protected] wrote:
BINGO! That solved it.
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marcsous
commented on July 21, 2024
Just a thought - it may not matter in real use because the bug only happens when Matlab tries to display it in the Workspace.
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DylanMuir
commented on July 21, 2024
But people often have the workspace view switched on...
On 1 May 2016, at 2:47 PM, marcsous [email protected] wrote:
Just a thought - it may not matter it real use because the bug only happens when Matlab tries to display it in the Workspace.
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marcsous
commented on July 21, 2024
Found another little bug. MappedTensor was reporting true for isnumeric of a char.
% isnumeric - METHOD Overloaded isnumeric function
function [bIsNumeric] = isnumeric(mtVar)
bIsNumeric = ~islogical(mtVar) && ~ischar(mtVar);
end
Then a little sleuthing in workspacefunc suggests there is a failure of strfind on the MappedTensor, since MappedTensor is reporting ischar() as true.
if (ischar(var) && (ndims(var) == 2) && (size(var, 1) == 1))
% Show "single-line" char arrays, while establishing a reasonable
% truncation point.
if isempty(strfind(var, char(10))) && ...
isempty(strfind(var, char(13))) && ...
isempty(strfind(var, char(0)))
...
but
a=MappedTensor(1,3,'class','char');
>> strfind(a, char(10))
Error using strfind
Conversion to double from MappedTensor is not possible.
Looks like we need to overload strfind for MappedTensor. Sorry I gotta go now. Bon courage!
If I could suggest, we overload it to return [] always. Otherwise it would be an expensive operation and kind of preempts the reason for having a MappedTensor char in the first place.
from mappedtensor.
marcsous
commented on July 21, 2024
OK - I just overloaded strfind to return [] and it now works. The Workspace/Value box still says "Error displaying value" but the MappedTensor behaves correctly. The error must come from the failure of java.lang.String(['''' var '''']) with a MappedTensor instead of a char array.
Maybe ischar() should return false and chars should be stored as an uint8 to avoid some of these difficulties. It'd be annoying to overload all the string functions for MappedTensor char.
from mappedtensor.
DylanMuir
commented on July 21, 2024
I kept the overloaded strfind, with a warning. Many other string functions seemed to work ok — if you find one that fails nastily, please let me know.
from mappedtensor.
Related Issues (15)
- Allow integer types for index variables HOT 21
- Shortcut casting causes errors HOT 1
- Shortcut casting still causes errors HOT 1
- Constructor fails with complex input HOT 2
- Does it have to inherit from a handle object? HOT 6
- Data is corrupted when subsampling a large file (8Gb) on windows HOT 13
- 340 Gigabyte data and error while creating .mex from mapped_tensor_shim.c HOT 4
- Error with uint indexes HOT 1
- Indexing a mapped tensor after permutation
- Add overloaded `prod` method HOT 3
- Direct conversion of a tensor to a `MappedTensor` in the constructor HOT 3
- Overloaded `plus` method bug HOT 3
- a=cast(a) could be implemented with strClass HOT 1
- Empty index causes error HOT 1
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