check_dist_sign function

Check if valid signed distance

check_dist_sign(x, name, check_sym = TRUE)

Arguments

• x: Distance matrix or array.
• name: Name of x for displaying errors.
• check_sym: Logical; if TRUE each matrix (slice) must be symmetric.

Returns

NULL.

Details

Check if x is a valid signed distance vector, matrix or array. It errors if x in absolute value is not a symmetric matrix or an array of symmetric matrices.