check_bravais_validity: Validity and compatibility of a cry object of class 'bravais'
Description
An object of class 'bravais' is a named list of length 4. The first slot, "bt", is
the universally-used two-letter symbol. The second, third and fourth slots are, respectively,
"cr_fam" (the corresponding crystal family), "cr_sys" (the corresponding crystal system) and
"lt_sys" (the corresponding lattice system).
Usage
check_bravais_validity(x, message = FALSE)
Value
ans A logical value. TRUE means that the input is
a valid object of class 'bravais'.
Arguments
x
Object of class 'bravais'.
message
A logical variable. If TRUE, the function
prints a message on the errors, if any
(default is FALSE, i.e. no message printed).