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vrf Variable Validity

Question asked by VRFuser on Jun 11, 2001

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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2//EN"><HTML><HEAD><META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=iso-8859-1"><META NAME="Generator" CONTENT="MS Exchange Server version 5.5.2654.19"><TITLE>RE: vrf Variable Validity</TITLE></HEAD><BODY>Mark,Add an "Error" output pin to a "get variable". If it fires, it has yet to be given a value, if not, it has. The error pin will serve as an "If" object.Paul H. Rubin Staff Engineer Ericsson Amplifier Technologies, Inc. 49 Wireless Blvd. Hauppauge, NY 11788(631) 357-8513 Fax (631) 424-1725 paul.rubin@ericsson.com -----Original Message----- From: Marc Engle [<A HREF="mailto:MEngle@RFMD.com">mailto:MEngle@RFMD.com</A>] Sent: Monday, June 11, 2001 4:02 PM To: 'vrf@lvld.agilent.com' Subject: vrf Variable Validity All, I'm interested in determining programmatically whether or not a variable name already exists (undeclared globals, primarily), but I don't want an error to appear if the variable name does not exist. I would like to use this as a decision tool to determine what to do next, either use the variable already there, or create a new one. Right now if I try to access a variable that's not there, an error appears. Does anyone know a way around this?Thanks, MarcMarc A. Engle Product Engineer Digital Cellular Product Line RF Micro Devices, Inc. 7628 Thorndike Road Greensboro, NC 27409 Phone: (336) 931-7445 Fax: (336) 931-7371 E-mail: mengle@rfmd.com--------------------------------------------------------------------- This is the "vrf" maillist, managed by Majordomo. To send messages to this maillist, just email to "vrf@lvld.agilent.com". Subscriptions and unsubscriptions are done through the address "vrf-request@lvld.agilent.com". If you need details, just send a message containing the text "help" to "vrf-request@lvld.agilent.com". ---------------------------------------------------------------------</BODY></HTML>

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VRFuser Jun 11, 2001 1:02 AM

All,
I'm interested in determining programmatically whether or not a
variable name already exists (undeclared globals, primarily), but I don't
want an error to appear if the variable name does not exist. I would like
to use this as a decision tool to determine what to do next, either use the
variable already there, or create a new one. Right now if I try to access a
variable that's not there, an error appears. Does anyone know a way around
this?

Thanks,
Marc

Marc A. Engle
Product Engineer
Digital Cellular Product Line
RF Micro Devices, Inc.
7628 Thorndike Road
Greensboro, NC 27409
Phone: (336) 931-7445
Fax: (336) 931-7371
E-mail: mengle@rfmd.com

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VRFuser Jun 11, 2001 1:09 AM

How about putting a block at the beginning of your program that initializes
all the variables you want to test with some standard value such as the
largest number possible for that data type? If your program generates that
in normal operation you are on the brink of disaster anyway.

Bill Ossmann
--
bill_ossmann@agilent.com
Agilent Technologies
Imaging Systems Division

>-----Original Message-----
>From: Marc Engle [mailto:MEngle@RFMD.com]
>Sent: Monday, June 11, 2001 4:02 PM
>To: 'vrf@lvld.agilent.com'
>Subject: vrf Variable Validity
>
>
>All,
> I'm interested in determining programmatically whether or not a
>variable name already exists (undeclared globals, primarily),
>but I don't
>want an error to appear if the variable name does not exist.
>I would like
>to use this as a decision tool to determine what to do next,
>either use the
>variable already there, or create a new one. Right now if I
>try to access a
>variable that's not there, an error appears. Does anyone know
>a way around
>this?
>
>Thanks,
>Marc
>
>Marc A. Engle
>Product Engineer
>Digital Cellular Product Line
>RF Micro Devices, Inc.
>7628 Thorndike Road
>Greensboro, NC 27409
>Phone: (336) 931-7445
>Fax: (336) 931-7371
>E-mail: mengle@rfmd.com
>
>---------------------------------------------------------------------
>This is the "vrf" maillist, managed by Majordomo. To send messages to
>this maillist, just email to "vrf@lvld.agilent.com". Subscriptions and
>unsubscriptions are done through the address
>"vrf-request@lvld.agilent.com".
>If you need details, just send a message containing the text "help"
>to "vrf-request@lvld.agilent.com".
>---------------------------------------------------------------------
>
---------------------------------------------------------------------
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2 Replies

VRFuser Jun 11, 2001 1:02 AM
Mark Correct
Correct Answer
All,
I'm interested in determining programmatically whether or not a
variable name already exists (undeclared globals, primarily), but I don't
want an error to appear if the variable name does not exist. I would like
to use this as a decision tool to determine what to do next, either use the
variable already there, or create a new one. Right now if I try to access a
variable that's not there, an error appears. Does anyone know a way around
this?

Thanks,
Marc

Marc A. Engle
Product Engineer
Digital Cellular Product Line
RF Micro Devices, Inc.
7628 Thorndike Road
Greensboro, NC 27409
Phone: (336) 931-7445
Fax: (336) 931-7371
E-mail: mengle@rfmd.com

---------------------------------------------------------------------
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this maillist, just email to "vrf@lvld.agilent.com". Subscriptions and
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If you need details, just send a message containing the text "help"
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VRFuser Jun 11, 2001 1:09 AM
Mark Correct
Correct Answer
How about putting a block at the beginning of your program that initializes
all the variables you want to test with some standard value such as the
largest number possible for that data type? If your program generates that
in normal operation you are on the brink of disaster anyway.

Bill Ossmann
--
bill_ossmann@agilent.com
Agilent Technologies
Imaging Systems Division

>-----Original Message-----
>From: Marc Engle [mailto:MEngle@RFMD.com]
>Sent: Monday, June 11, 2001 4:02 PM
>To: 'vrf@lvld.agilent.com'
>Subject: vrf Variable Validity
>
>
>All,
> I'm interested in determining programmatically whether or not a
>variable name already exists (undeclared globals, primarily),
>but I don't
>want an error to appear if the variable name does not exist.
>I would like
>to use this as a decision tool to determine what to do next,
>either use the
>variable already there, or create a new one. Right now if I
>try to access a
>variable that's not there, an error appears. Does anyone know
>a way around
>this?
>
>Thanks,
>Marc
>
>Marc A. Engle
>Product Engineer
>Digital Cellular Product Line
>RF Micro Devices, Inc.
>7628 Thorndike Road
>Greensboro, NC 27409
>Phone: (336) 931-7445
>Fax: (336) 931-7371
>E-mail: mengle@rfmd.com
>
>---------------------------------------------------------------------
>This is the "vrf" maillist, managed by Majordomo. To send messages to
>this maillist, just email to "vrf@lvld.agilent.com". Subscriptions and
>unsubscriptions are done through the address
>"vrf-request@lvld.agilent.com".
>If you need details, just send a message containing the text "help"
>to "vrf-request@lvld.agilent.com".
>---------------------------------------------------------------------
>
---------------------------------------------------------------------
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