Hash two 15-bytes signed integers into one 32-bytes integer.

Hash two 15-bytes signed integers into one 32-bytes integer.

Usage

coord_hash(a, b)

Arguments

a, b

Integer vectors of same lengths. Can be negative.

Details

Should work for a,b in range (-2^14, 2^14-1) which is good enough for our purpose.

Integer in R is 32-bytes but reserve 1 byte for NA