check_length: Check if valid input length
Description
Check if valid input length
Usage
check_length(x, length, name)
Arguments
- x
Scaler or vector
- length
Length of x
.
- name
Name of x
for displaying errors.
Details
Check if x
has approprate length. If length of x
is 1 then x
is
replicated to match length
. If length of x
is neither 1 or length
then
an error is signaled.