erreur: issues an error message and concludes accordingly
In rbsb: set of ancillary functions

Description Usage Arguments Value Examples

when called this function prints x, then displays a message before stopping the process except if it is a warning or if the general constant rbsb.mfa is true.

1	erreur(x, ..., w=FALSE)

`x`	object to be printed before the message. When `isempty(x)` nothing is printed. When it is a list, all components of the list are successively printed.
`...`	pieces of message to display after pasting
`w`	Indicates if it is a simple warning

nothing is returned

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 rbsb3k("RESET"); # needed only for R checking, to be forgotten
 erreur(matrix(1:4, 2), "This matrix is not symmetric", w=TRUE)
 erreur("Are you sure of it?", w=TRUE);