[ADMB Users] Summary: Fwd: no assignment operator for init_bounded_number_vector

[Larry Jacobson]

1) I was trying to initialize an init_bounded_number_vector parameter 
called logsrx in the initialization section but there was no assignment 
operator.

2) Chris Grandin (many thanks) knew just what to do and suggested the 
following code:

> logsrx.set_initial_value(srx_init);

Note that it is important to make sure the argument with the initial value is a double so there is no harm in using:

> logsrx.set_initial_value(value(srx_init));

3) Rick Methot pointed out that assignment to many classes (but not bounded_number_vectors) can be managed using the value function only.

3) I couldn't find any documentation re set_initial_value but Chris mentioned that "The definition is in src/nh99/mcmcvar.h on line 2489."

Cheers!






and later:

> The equals sign and value() will work for most classes, but the param_init_bounded_number_vector class has no assignment operator overloaded so you have to do it with set_initial_value. The definition is in src/nh99/mcmcvar.h on line 2489
> Chris


-------- Original Message --------
Subject: 	no assignment operator for init_bounded_number_vector
Date: 	Fri, 19 Jul 2013 13:43:01 -0400
From: 	Larry Jacobson <larry.jacobson at noaa.gov>
Reply-To: 	Larry.Jacobson at noaa.gov
To: 	ADMB Users <Users at admb-project.org>



1) The idea is to ask the user for an arithmetic starting value which is 
used to initialize a log scale parameter (unbeknownst to the user who 
does not think in logs).

2) I have a vector of doubles declared in the DATA_SECTION called 
srx_init(1,2).  See line 193 in attached tpl file.

3) I declare a bounded_number_vector in the PARAMETER_SECTION called 
logsrx(1,2).  See line 283 in tpl file.

4) In the PRELIMINARY_CALCS_SECTION (line 410) I want to initialize the 
bounded_number_vector with code like:
       logsrx=log(srx_init);

5) However, the compiler complains:
C:\Users\ljacobso\Documents\Assessments\Shrimp_2013\CSA-v4\july18_2013>cl /c 
/EHsc  /DUSE_LAPLACE /DWIN32 /DSAFE_ALL  /D
__MSVC32__=8 /I. /I"C:\Program Files\ADMB"\include /I"C:\Program 
Files\ADMB"\contrib\include csav41.cpp
Microsoft (R) 32-bit C/C++ Optimizing Compiler Version 16.00.30319.01 
for 80x86
Copyright (C) Microsoft Corporation.  All rights reserved.

csav41.cpp
csav41.cpp(362) : error C2679: binary '=' : no operator found which 
takes a right-hand operand of type 'dvector' (or the
re is no acceptable conversion)
         C:\Program Files\ADMB\include\admodel.h(2700): could be 
'param_init_bounded_number_vector &param_init_bounded_nu
mber_vector::operator =(const param_init_bounded_number_vector &)'
         while trying to match the argument list 
'(param_init_bounded_number_vector, dvector)'

6) I've tried doing the assignment in a loop like:
          for (i=1;i<=nsurveys;i++) logsrx(i)=log(srx_init(i));

using an intermediate dvar_vector like:
        dvar_vector temp(1,2)=srx_init;
       logsrxi=srxinit;

and many other hacks (trying to find a combination of data types with an 
assignment operator).

6) Any ideas or suggestions?

Cheers and thanks!



-- 
**********************
Opinions that may be expressed herein are my own
and not official positions of NOAA or the National
Marine Fisheries Service.
**********************
Larry Jacobson
National Marine Fisheries Service
Northeast Fisheries Science Center
166 Water Street
Woods Hole, MA 02543-1026
Voice: 508-495-2317
Fax: 508-495-2393
E-mail:larry.jacobson at noaa.gov
**********************



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