area 0.2.0

• Improved C++ sum method to match benchmarks (from 2023 advent of code Day 18, see https://github.com/hypertidy/area/issues/4). Thanks to Tan Ho, Jonathan Carroll, and Rich FitzJohn.

area 0.1.0

• Now use cpp11.

• Added C++ versions of triangle and polygon area.

• Begin conversion to C++ headers capability.

area 0.0.1

• First working version using R code only.