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// Copyright (C) 2010 - DIGITEO - Michael Baudin
//
// This file must be used under the terms of the GNU LGPL license.
function errmsg = fminimaxCheckvector ( funname , var , varname , ivar , nbval )
// Generates an error if the variable is not a vector.
//
// Calling Sequence
// errmsg = fminimaxCheckvector ( funname , var , varname , ivar )
//
// Parameters
// funname : a 1 x 1 matrix of strings, the name of the calling function.
// var : a 1 x 1 matrix of valid Scilab data type, the variable
// varname : a 1 x 1 matrix of string, the name of the variable
// ivar : a 1 x 1 matrix of floating point integers, the index of the input argument in the calling sequence
// nbval : a 1 x 1 matrix of floating point integers, the number of entries in the vector.
// errmsg : a 1 x 1 matrix of strings, the error message. If there was no error, the error message is the empty matrix.
//
// Description
// This function is designed to be used to design functions where
// the input argument is a vector, that is, a matrix for which
// nrows == 1 or ncols == 1.
// This function cannot be use when var is a function, or more
// generally, for any input argument for which the size function
// does not work.
//
// Examples
// // The function takes a vector of 3 doubles.
// function y = myfunction ( x )
// fminimaxCheckvector ( "myfunction" , x , "x" , 1 , 3 )
// y = x
// endfunction
// // Calling sequences which work
// y = myfunction ( ones(1,3) )
// y = myfunction ( zeros(3,1) )
// // Calling sequences which generate an error
// // The following are not vectors
// y = myfunction ( ones(2,3) )
// y = myfunction ( zeros(3,2) )
// // The following have the wrong number of entries
// y = myfunction ( ones(1,3) )
//
// Authors
// Michael Baudin - 2010 - DIGITEO
//
errmsg = []
nrows = size(var,"r")
ncols = size(var,"c")
if ( nrows <> 1 & ncols <> 1 ) then
strcomp = strcat(string(size(var))," ")
errmsg = msprintf(gettext("%s: Expected a vector matrix for input argument %s at input #%d, but got [%s] instead."), funname, varname , ivar , strcomp );
error(errmsg)
end
if ( ( nrows == 1 & ncols <> nbval ) | ( ncols == 1 & nrows <> nbval ) ) then
strcomp = strcat(string(size(var))," ")
errmsg = msprintf(gettext("%s: Expected %d entries for input argument %s at input #%d, but current dimensions are [%s] instead."), funname, nbval , varname , ivar , strcomp );
error(errmsg)
end
endfunction
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