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Subject: Re: [EXTERNAL] CSS jython setvalue behaviour
From: Pilar Gil via Tech-talk <tech-talk@aps.anl.gov>
To: "Kasemir, Kay" <kasemirk@ornl.gov>
Cc: "tech-talk@aps.anl.gov" <tech-talk@aps.anl.gov>
Date: Thu, 12 Sep 2019 10:52:05 +0200
Hello Kay,

Attached the test that I have done. If I write following in a jython script in CSS:

import sys
ConsoleUtil.writeInfo("type %s size %s "%(type(-2147483648), sys.maxsize))
INFO: type <type 'long'> size 2147483647

ConsoleUtil.writeInfo("type 2: %s"%(type(-2) ))                                       
INFO: type 2: <type 'int'>

And it is possible to use pvs[0].setValue()    with an int but it seems that is not possible with a long.
Is there any other function that I can use??
For the test I'm using a local PV with no limits (maybe that can be useful)

Thank you very much in advance
Pilar

El mié., 11 sept. 2019 a las 19:02, Kasemir, Kay (<kasemirk@ornl.gov>) escribió:
I'd check what type the script is actually trying to pass down, see what you put it, and if that's already truncated, or if the problem starts inside setValue.

value = -2147483648
print(value.__class__.__name__)
print(value)
pvs[0].setValue( value )


Then try passing different types like so:

from java.lang import Long, Double
value = Long.valueof(-2147483648 )
print(value.__class__.__name__)
print(value)
pvs[0].setValue( value )

.. or so:

value = Double.valueof(-2147483648 )
print(value.__class__.__name__)
print(value)
pvs[0].setValue( value )

Other question is the native type of your PV:

print(pvs[0].getValue().__class__.__name__)


Knowing the PV type and the actual data type passed in it'd be easier to figure out how the value is handled.

-Kay



--
http://sevensols.com
Pilar Gil Jaldo

Embedded SW Engineer

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Replies:
Re: [EXTERNAL] CSS jython setvalue behaviour Kasemir, Kay via Tech-talk
References:
CSS jython setvalue behaviour Pilar via Tech-talk
Re: [EXTERNAL] CSS jython setvalue behaviour Kasemir, Kay via Tech-talk

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